Kuhnt AS55 Series Service Manual
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Kuhnt AS55 Series Service Manual

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AS55X Series
SERVICE MANUAL

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  • Page 1 AS55X Series SERVICE MANUAL...

  • Page 3: Table Of Contents

    AS 551 / 4V BRI ........................29 AS 551 / 2V BRI ........................30 AS 551 Slave .......................... 31 AS550 BRI/VoIP........................32 WLL550 Pro (wireless local loop) ..................33 LED status ..........................34 RESET button ......................... 37 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 4 General .......................... 60 5.6.2 MSN-GSM link list ......................62 5.6.3 Charge ..........................62 5.6.4 Causes ..........................63 SIP access ..........................66 5.7.1 General .......................... 66 5.7.2 Extended (expert mode) ....................69 5.7.3 Names and passwords ....................72 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 5 ProviderSimSwitch ....................... 118 5.11.9 Fax extension ....................... 118 5.12 Special settings ........................119 5.12.1 Timers .......................... 120 5.12.2 Unnamed bits ......................123 5.12.3 Unnamed bytes ......................129 5.12.4 Unnamed words ......................135 5.12.5 Unnamed long words ....................136 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 6 Release Notes ..........................148 Release 3.0 .......................... 148 8.1.1 New and improved features ..................148 8.1.2 Problem solution ......................148 Release 3.01 ........................148 8.2.1 New and improved features ..................148 8.2.2 Problem solution ......................149 Release 3.03 ........................149 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 7 Release 3.17 ........................164 8.13.1 New and improved features ..................164 8.13.2 Problem solution ......................165 8.14 Release 3.19 ........................165 8.14.1 New and improved features ..................165 8.14.2 Problem solution ......................165 8.15 Release 3.20 ........................166 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 8 Problem solution ......................167 8.16 Release 3.21 ........................168 8.16.1 New and improved features ..................168 8.16.2 Problem solution ......................169 8.17 Release 3.22 ........................169 8.17.1 New and improved features ..................169 8.17.2 Problem solution ......................170 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 9: General Functions

    PABX. Please consider that only the last call to one destination can be saved. A previous existing call-setup will always be overwritten by the new one. It is mandatory that both sides transmit their number (CLIP). For programming instructions see 5.8.2, 5.8.3, 5.10.2 and 7.5. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 10: Callback Termination

     Freely entered number via DTMF. It is possible to send this short message automatically or controlled by the customer via DTMF code. The calling party name is available for the SMS callback request for SIP calls. For programming instructions see 5.8.5 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 11: Gsm Channel Groups

    VPN prefix. These channels are combined to a GSM channel group and the routing function of the AS55x chooses one ready channel of this group if a call-setup to this VPN is made. For programming instructions see 5.8.3, 5.10.2, 5.10.3, 5.11.1 and 5.11.5 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 12: Internet

    GSM network. No channel to the PSTN will be used. For programming instructions see 5.8.3, 5.10.3 and 5.11.1. more about the PassThrough backup mode here > 1.14 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 13: Simswitch

    SMS short messages. If you want to implement the SMS features into your applications, ask your local dealer for “API for sending and receiving short messages via AS55X”. This is a small proprietary API only for sending and receiving SMS via AS55x. For programming instructions see 5.11.4. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 14: Gsm-Pbx

    Wireless channel statistics (min. / max. signal quality, call attempts to GSM, calls to GSM connected minutes to GSM, ...) o SIM Switch information (active SIM, connected minutes for each SIM) For programming instructions see 0. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 15: Passthrough Backup Mode

    Finally the “ProviderSimSwitch“ will remain at the SIM with the best available network. If a network connection is lost for more than 10 seconds or if a new search is triggered manually, the network search will restart considering the previous network data. For programming instructions see 5.11.8 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 16: Dtmf Codes (Wll550 Pro)

    The already known code '#721#' keeps its function, internet access without data roaming. Both codes are irrelevant, if internet access is configured with the service software. Please keep in mind, your SIM contract must permit data roaming as well! www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 17  To select a SIM card of the ’ProviderSimSwitch‘ manually #79nm# n is the place holder for the channel (1 or 2) m is the place holder for the SIM- card (1 or 2) Example: #7921# activates SIM card 1 of channel 2 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 18 SERVICE MANUAL AS55X www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 19: Technical Features

    800/850/AWS/1900/2100MHz Gemalto/Cinterion PLS8-E Five Band LTE 800/900/1800/2100/2600 MHz, FDD-Band (20,8,3,7,1) Tri Band UMTS (WCDMA) 900/1800/2100 MHz, FDD-Band (8,3,1) Dual Band GSM 900/1800 MHz Antenna: 1x antenna splitter 6 to 1 - SMA female connector 3V Mini-SIM cards 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 20 DHCP, DNS, STUN, ARP, VLAN, TELNET, SNMP DSS1, QSIG  Codecs: G.711 a-law/μ-law  Maintenance: Service software (https://www.kuhnt.com) Interfaces: local: USB (security: password) remote: LAN, GSM (security: username and password)  Size: 19 inch rack aluminium (AS551) / 1 rack unit (1U)

  • Page 21: As551/4V Bri

    800/850/AWS/1900/2100MHz Gemalto/Cinterion PLS8-E Five Band LTE 800/900/1800/2100/2600 MHz, FDD-Band (20,8,3,7,1) Tri Band UMTS (WCDMA) 900/1800/2100 MHz, FDD-Band (8,3,1) Dual Band GSM 900/1800 MHz Antenna: 1x antenna splitter 6 to 1 - SMA female connector 3V Mini-SIM cards 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 22 DHCP, DNS, STUN, ARP, VLAN, TELNET, SNMP DSS1, QSIG  Codecs: G.711 a-law/μ-law  Maintenance: Service software (https://www.kuhnt.com) Interfaces: remote: LAN, GSM (security: username and password)  Size: 19 inch rack aluminium (AS551 / 4V BRI) / 1 rack unit (1U)

  • Page 23: As551/2V Bri

    800/850/AWS/1900/2100MHz Gemalto/Cinterion PLS8-E Five Band LTE 800/900/1800/2100/2600 MHz, FDD-Band (20,8,3,7,1) Tri Band UMTS (WCDMA) 900/1800/2100 MHz, FDD-Band (8,3,1) Dual Band GSM 900/1800 MHz Antenna: 1x antenna splitter 6 to 1 - SMA female connector 3V Mini-SIM cards 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 24  Protocols: DHCP, DNS, STUN, ARP, VLAN, TELNET, SNMP DSS1, QSIG  Codecs: G.711 a-law/μ-law  Maintenance: Service software (https://www.kuhnt.com) Interfaces: remote: LAN, GSM (security: username and password)  Size: 19 inch rack aluminium / 1 rack unit (1U) Size:...

  • Page 25: As551 Slave

    800/850/AWS/1900/2100MHz Gemalto/Cinterion PLS8-E Five Band LTE 800/900/1800/2100/2600 MHz, FDD-Band (20,8,3,7,1) Tri Band UMTS (WCDMA) 900/1800/2100 MHz, FDD-Band (8,3,1) Dual Band GSM 900/1800 MHz Antenna: 1x antenna splitter 6 to 1 - SMA female connector 3V Mini-SIM cards 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 26 19 inch rack aluminium (AS551 Slave) / 1 rack unit (1U) Size: width: 483mm, height: 45mm, depth: 300mm Weight: AS551 Slave: ca. 2,4 kg  Environment Operating temperature: 5°C to 40°C Storage temperature: -10°C to 70°C Humidity: 0% to 90% www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 27: As550 Bri/Voip

    SIP 2.0 / UDP as server, client or peer-to-peer Additional protocols: ARP, DHCP, DNS, STUN, VLAN, SNMP, TELNET Authentification: MD5  Codecs: G.711 a-law/μ-law  Maintenance: Service software (https://www.kuhnt.com) Interfaces: remote: LAN, GSM (security: username and password) 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 28 SERVICE MANUAL AS55X  Size: Desktop aluminium box width: 153mm, height: 35mm, depth: 185mm Weight: ca. 750g without power supply  Environment Operating temperature: 5°C to 40°C Storage temperature: -10°C to 70°C Humidity: 0% to 90% www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 29: Wll 550 Pro (Wireless Local Loop)

    Network protocols: DHCP, DNS, ARP  Maintenance: Service software AS55X-Service for WINDOWS operating systems (Download link: https://www.kuhnt.com/down/55xwin32.zip) Interfaces: LAN, Reverse IP or GSM CS-data (Secured by: username and password)  Size/weight: Aluminium desktop case. Approx. width 125 (154*) x height 35 x depth 185 mm * with mounting bracket Approx.

  • Page 30: Exterior View / Connectors

    16. Slave 1 Connector (channel 7-14) 17. IEC power connector for build in power supply not for AS 551 Master VoiP not available for SimSwitch AS 551 Master (VoiP) / 2V and SimSwitch AS 551 Master (VoiP) / 4V www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 31: As 551 / 4V Bri

    10/100 Mbps connector for LAN (for SIP communication and configuration) 7. Power LED 8. ISDN NT LED 9. Antenna connection SMA connector (female) 10. Channel status LED 11. Ground connection 12. IEC power connector for build in power supply 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 32: As 551 / 2V Bri

    6. ISDN NT LED 7. ISDN NT (ISDN Master) RJ 45 connector for PassThrough output or NT-Simulation 8. Channel status LED 9. Antenna connection SMA connector (female) 10. Ground connection 11. IEC power connector for build in power supply www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 33: As 551 Slave

    Expansion with up to eight slots for 3V Mini-SIM cards. 4. Channel status LED 5. Antenna connection SMA connector (female) 6. Ground connection 7. Master RJ 45 Connectors for the AS551 Master (max. 0,5m) 8. IEC power connector for build in power supply 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 34: As550 Bri/Voip

    9. ISDN TE (ISDN Slave) RJ 45 connector for clock synchronisation, PassThrough input or ISDN Subscriber 10. ISDN TE LED 11. ISDN NT LED 12. ISDN NT (ISDN Master) RJ 45 connector for PassThrough output or NT-Simulation www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 35: Wll550 Pro (Wireless Local Loop)

    (GSM/fax, phone) 5. RESET button 6. SMA connector main antenna, auxiliary SMA connector for LTE diversity 7. Power supply: 12V – 30V DC 8. Telephone-/PBX-connector (FXO)- RJ11 9. G3 fax connector (FXO) - RJ11 10. Earth terminal, GND 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 36: Led Status

    LED is red if there is no connection or an error is occurred o LED is blinking green if ISDN TEI exchange was successful but ISDN layer 2 is down (only in ISDN point-to-multipoint mode) www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 37 LED is blinking red seven times if no registration is possible for more than two minutes. The module will restart then. o LED is blinking red eight times if the designated network is permitted and no login is possible 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 38 LED is blinking red thirteen times if an error occurred within the multiplex mode (“Telnet mode”)  Online LED (WLL550 Pro only) o LED is steady green if the internet connection (WAN) is successfully established www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 39: Reset Button

    ** ReverseIP-connections are remote service session to a manufacturer’s service computer. To protect your data it is recommended to init a remote service session by appointment only. An internet access via mobile phone network or LAN is mandatory! 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 40: Service Software

    The recent firm- and software releases you will also find on our website under: https://www.kuhnt.com. The current version of your service software can be checked under the “About this program” button in the menu bar or it is also listed in the topic of the window.
  • Page 41 4. Button to start the programming session (local, remote or demo) 5. To switch between configuration (see 4.1), installation data (see 6), and services (see 6. Configuration or data area 7. Button to abort the current programming session 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 42: Access Type

    GSM is classified as remote access and secured by username and password. All AS55X with a USB connection are additionally equipped with a physical remote access switch to control remote access. Notice: It is not possible to change the local access password via remote access. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 43: Lan

    WLL550 gateway. The available physical connections are GPRS via GSM, UMTS, LTE or LAN, depending on the type of the gateway. By default this feature is not shown. If you want to use the Reverse IP access or uses the Reset-Button. Please contact your local dealer for further information. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 44: Import / Export Function

    If you press “Import” the next window opens and you have also to choose “yes” or “no”. If you press “no”, you can import a text file, which was exported from an AS55X. If you press “yes”, your clipboard data from one of the listed menus will be inserted to your table. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 45: Configuration

    Dialling tone GSM -> ISDN/SIP Dialling tone for call-setup direction from GSM network This tone or announcement requests the calling subscriber from the GSM network to type in DTMF digits for suffix dialling. default: special dialling tone 1 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 46 • Eurovision melody I • Eurovision melody II • “GSM gateway, please dial mobile phone number” • “GSM gateway, please dial extension number” • “Calling mobile phone, please hold the line” • “GSM gateway, please enter callback code” www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 47 • Ringing tone 425 khz • Interrupted ringing tone 425 khz • Single short tone 425 khz • Busy tone 425 khz • Four busy tone 425 khz 1850 khz • Tone sequence 1450 khz 950 khz 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 48: Volume Levels

    Audio level directed ISDN to GSM - Audio level GSM -> ISDN/SIP: Audio level directed GSM to ISDN - Tone level -> ISDN/SIP: Tones and announcements directed to ISDN/SIP - Tone level -> GSM: Tones and announcements directed to GSM www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 49: Lan Settings

    IP address is in use.  Direct connection to endpoint AS55X is directly connected to the PBX without any network equipment between. Keep in mind that a “crossover cable” might be necessary. You only have to configure local IP address. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 50: Advanced Network Configuration

    10Mbps because normally the other network clients use 100Mbps or 1000Mbps. Then the switch has to buffer the received messages from the other clients. If there is much traffic, this can cause an overflow and packets will be lost. Default value: Auto negotiation www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 51 LAN messages will be traced. You can distinguish between sent and received traffic data. Though this setting will cause a lot of unnecessary trace data (especially audio data). It is not recommended for normal operation. Default value: both unchecked 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 52: Isdn Pri Settings

    4 and 5 in slave mode. If this checkbox is checked, the AS55X transmits on pin 4 and 5 in master mode and transmits on pin 1 and 2 in slave mode. Default value: unchecked www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 53: Main Interface Protocol

    Notice: Some GSM networks use non standard tones. Therefore the tone detection can fail. Notice: Some PBXs generate the tones itself before ISDN CONNECT message. Therefore you cannot hear the AS55X generated tones and announcements. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 54 GSM network to the ISDN interface. If the PBX should generate tones, it can be set here. This function is controlled by the progress indicator “in-band information available”, but not all PBXs do interpret this indicator correctly. Default value: ... by AS55X www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 55: Synchronisation Interface (Isdn Aux)

    (a single terminal) on this ISDN Bus. The AS55X gets its clock rate from the PBX. Notice: If the ISDN AUX interface is not connected or the received clock rate is incorrect, the AS55X generates its own clock. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 56: Isdn Bri Settings

    The correct setting of the synchron interface (ISDN AUX)depends on the ISDN-line, the signal is picked off from. Preferably the synchron signal should be taken from a wired network interface of the PBX. If the PBX has only a PRI network interface, www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 57: Protocol Options

    AS55X to PBX, a fixed setting of the concerned information elements is necessary. If the type, used by the PBX is unknown, it can be found in the trace of a call setup from the PBX. Default value: DSS1 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 58 In this case the AS55X answers directly with CONNECT. This option shall suppress the ringing tone generation by the PBX. Notice: Some GSM networks use non standard tones. Therefore the tone detection can fail. o Immediately CONNECT www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 59 ISDN interface. If the PBX is wanted to generate this tone, it can be set here. This function is controlled by the progress indicator “in-band information available”, but not all PBXs do interpret this indicator correctly. Default value: ... by AS55X 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 60: Pots (Fxo) Settings

    Select the maximum length of the called numbers in international form. E.g. for the longest dial number +491234567890 select 12 digits. If you are not sure about the maximum lengths of the number set this value to higher than 15. Default value: www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 61: Fax Settings

    If unnamed bit 74 (Special settings) is set, the presentation of the number will be restricted, even if it is requested for voice calls. > needs FW 3.16 < 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 62: Isdn Access

    E.g. for the longest GSM number +491234567890 select 12 digits. This setting does not depend on the really dialled number format in ISDN. En bloc transferred numbers can be longer than this value. Default value: www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 63 With this setting, the type of CLIP digits can be changed in order to get a number for a callback that will be accepted by the PBX. Default value: No change o Type of CLIP to ISDN: 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 64: Msn-Gsm Link List

    GSM connection. Example: If a step distance of 10 seconds is set here and a call from ISDN to GSM is made with GSM connection duration of 23 seconds, 3 steps will be accumulated. Default value: 15 seconds www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 65: Causes

    If the AS55X should detect this busy tone and terminate the call-setup immediately, the desired ISDN cause must be typed in here. Default value: No entry, detection off 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 66 Default value: No entry, detection off  ... the connection is cleared by the GSM subscriber This cause will be sent to ISDN with the clearing of the connection by the GSM phone. Default value: Cause 16 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 67 Cause 99 Information element non-existent or not implemented Cause 100 Invalid information element contents Cause 101 Message not compatible with call state Cause 102 Recovery on timer expiry Cause 111 Protocol error, unspecified Cause 127 Interworking, unspecified 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 68: Sip Access

    “GSM number dialling” (see 5.7.2). This mode is mandatory if you want to use GSM-PBX mode of the AS55X. The status of your client connection can be checked in “services“-menu in column “view SIP status“ (see 7.8). o SIP peer mode www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 69 If you use the callback function of the AS55X, an adjustment of the CLIP might be necessary. When you need some additional digits for a correct routing, you can fill in up to 21 digits in front of the saved number. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 70 Referring to the maximum amount of digits for suffix dialling to SIP, the AS55X checks if the length is reached, otherwise it detects the dialled number as complete after a chosen duration or after the chosen DTMF digit. Default value: 4 seconds / # www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 71: Extended (Expert Mode)

    The handling of the other cases can be set here. o Keep INVITE unanswered: No response is made to an incomplete INVITE. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 72 GSM CLIP, it can be inserted as well. If your server supports GSM CLIP you can variegate between durable GSM CLIP or an option with a comparing to the GSM-PBX link list. If there is a match, the linked www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 73 If your SIP Server does not support this feature, you can restrict this access only to the IP address of the SIP registrar. Therefore you have to set bit 52 in special settings (see 0). 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 74: Names And Passwords

    Therefore it´s recommended to fill in the name of the remote host. If you use the AS55X in server mode it is mandatory to set the local hostname. Default value: not reported  Remote hostname / Registrar IP address www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 75  Authenticate Password Here you have to fill in your password for authentication at your SIP server. This function is greyed out in SIP server and in SIP peer mode. This entry is case sensitive. Default value: not reported 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 76: Authorized User List

    GSM. If an entry consists of a username without password, no authentication is necessary for this user. If a password is defined, the AS55X generates an authentication request to the user. Enter numeric digits for the user number, optionally leaded by a “+“ character. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 77: Responses

     ... the call-setup failed before alerting This can occur, if the called number does not exist, if the called phone is switched off or if the GSM network is overloaded. Default value: 486 (busy here)  ... the call-setup failed before connection 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 78 If the AS55X is wanted to detect this busy tone and terminate the call immediately, the wanted SIP abort reason must be typed in here. Default value: not reported www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 79 Response 501 Not implemented Response 502 Bad gateway Response 503 Service unavailable Response 504 Server timeout Response 505 Version not supported Response 600 Busy anywhere Response 603 Decline Response 604 Does not exist anywhere Response 606 Not acceptable 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 80: Dtmf Processing

     Convert DTMF tones from GSM to telephone-event to LAN (RFC2833/4733) During an active call, DTMF tones from GSM will be converted to telephone events according to RFC2833/4733 that are sent to the PBX e.g. for controlling a mobile client at the PBX. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 81: Codecs

    If the PBX only offers not supported codecs, the gateway will answer with SIP response 415 (UNSUPPORTED MEDIA TYP) and no call will be initiated. For incoming calls the AS55X will choose the first applicable codec without checking the priority. Default value: G711 A-law / PCMA G711 U-law / PCMU 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 82: Wired Access

    ISDN site nationality. Default value:  Country Code For properly number converting from ISDN to GSM domain and vice versa type in the country code of the area this gateway is located. Default value: not reported but required www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 83: Global Call-Setup

    Default value: By reception of idle tone from GSM  Delete entry after successful callback If the entry in the call-setup list should be deleted after the recall, then the checkbox should be ticked. Default value: ticked 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 84 If it is disabled, the global routing and the general GSM settings will be valid for every call-setup from ISDN to GSM. If it is enabled, the entries in the list of individual call-setup parameters have priority over the global routing and GSM general settings. Default value: ticked www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 85: Individual Call-Setup

    This numbers are also used for call interception in PassThrough mode (also refer to 1.8).  Maximum suffix digits If the GSM number is a complete one, type in “0” here. Otherwise define how many digits can follow at most. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 86 This means that the call setup will only be saved if the called party does not answer. Keep in mind, if the call is accepted by a mailbox the call-setup will not be listed. The same may apply to network announcements. If you choose www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 87: Short Pbx Domain Number List

    That means, the AS 55X will treat all here defined number- beginnings as extension numbers of the PBX. The numbers have to be entered in international order, beginning with '+'. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 88: Short Message Callback Request

    Therefore also use this DTMF code. Notice: If GME is configured as well, the GME code cannot enter during the first ten seconds of the call. Default value: unchecked www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 89 (see 5.6.4) or “SIP access – Responses” (see 5.7.5) Default value: unchecked  DTMF code and DTMF number enter tone This tone or announcement you will hear if you have to enter the DTMF code or the DTMF number. Default value: not reported 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 90: Gsm Settings

    Notice: The weighting of the CLIP settings is as follows. The lowest priority is the setting in general GSM settings (display number -> GSM Network), then in individual call setup, and the highest setting is the CLIP/CLIR-Code in general GSM settings. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 91 If you choose “unconditional” the AS55X will restart definitively after the chosen period. Default value: Without GSM connection Notice: A restart will never be triggered while a GSM connection or a call- setup is in progress. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 92: Gsm Channels

    This function is useful to prohibit unwanted “roaming“, especially if the AS55X is working close to national borders when different networks are available. If the net code is unknown ask your GSM service provider or refer to www.gsmworld.com Default value: not reported www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 93 3rd: Echo cancelling simplex + duplex (On high) Echo cancelling duplex provides the smallest level of echo cancelling, but the best speech comfort. Echo cancelling simplex + duplex comes with the highest level of echo cancelling, but the worst speech comfort. Default value: Duplex 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 94: Gsm Groups

    “Assign all GSM channels to this group”. For every channel in its own group, use the second button “Assign GSM channel number to group number”. Also you can clear one single group or alls groups by using the corresponding button. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 95: Gsm Access

    After the call from a mobile phone is rejected for a callback or after the mobile phone has aborted his call in order to receive a callback, the AS55X will wait this time before starting the action. Adjustment range: 0 … 255 seconds Default value: 1 second 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 96: By Gsm Channel

    Notice: By using the access list by GSM numbers, single or groups of phone numbers can be defined, which will be treated separately. Notice: Entries of the access list by GSM numbers have priority over the GSM channel dependent setting. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 97 Notice: By using the access list by GSM numbers, single or groups of phone numbers can be defined, which will be treated separately. Notice: Entries of the access list by GSM numbers have priority over the GSM channel dependent setting.. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 98 GSM channel and selectively prevented in the access list by number. An entry in the access list by GSM number always has higher priority than an entry in the access list by GSM channel. Default value: No, deactivated www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 99: By Gsm Number

     Access permitted Here you can define whether GSM subscriber(s) has (have) access to the AS55X via GSM or not. Default value: Notice: Entries of the access list by GSM numbers have priority over the GSM channel dependent setting. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 100 There are already traffic charges during suffix dialling. Please, also refer to point “Fix subscriber number“! Default value: Notice: Entries of the access list by GSM numbers have priority over the GSM channel dependent setting. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 101 Start your suffix dialling with the asterisk key “ * “ before entering the DTMF code. For more details about callback termination mode see 1.3. Default value: No entry Notice: Callback via DTMF code additionally has to be activated for every desired GSM channel! 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 102: Internet

    Here you have to enter your APN. The values you have to request by your provider.  Username / Password As the authentication takes place via the SIM, in most cases username and password can be omitted. Otherwise you have to enter these values. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 103: Extended Features

    AS55X will initiate a second call to mobile phone extension. Depending on where the call is accepted first, the other channel will be released. o Interception and MobileTwinning In this mode, the two above options are running simultaneously. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 104 This idle tone will be generated by the AS55X, when the called phone is ringing. If the wired network generates a tone and if it shall be used, choose “Idle tone from wired network”. Default value: Idle tone from wired network www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 105 AS55X and you have a missed call from the wired network, the AS55X checks if your GSM number is available in this list. If there is accordance to the GSM number the linked wired number is used as CLIP. Default value: checked 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 106: Simswitch

    If you choose this configuration, all SIMs have the same tariff with pay monthly tariff. All SIMs will be logged in continuously by the entry “Switch to next SIM after … minutes respectively messages”. This cycle is running endlessly. o Only SIMs with inclusive messages www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 107 10 Minutes, fill “985” in the “no further connection” timer and “999” in the “abort” timer. So the free minutes limit will not be crossed and no extra charges will be generated.  Abort connection after ... minutes respectively block SIM after … messages 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 108 GSM. If a month has fewer days than it is here, the reset will take place on the first day of the next month. Allowed value 1...31 Notice: If you want to have more information about your used minute or SMS amounts look at “Services” in the window “View SIM Switch status”. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 109: Telnet

    Notice: This entry is strongly recommended to avoid illegal access to a GSM channel, especially if the AS55X can be reached from the internet.  Local Telnet port Here you can enter the local Telnet port for every channel of the AS55X. Default value: 23 up to 28 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 110: Sms Server

    AS55X can be reached from the internet.  Local Telnet port Here you can enter the local SMS server Telnet port for every channel of the AS55X. Default value: 23 up to 28 Notice: For additional information ask your dealer for AS55X-SMS-API. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 111: Gsm-Pbx

    In this case, the authenticate ID field below, can be left empty. This entry is the same as the local username in the menu “SIP Access” / “Names and passwords”. This entry is case sensitive. Default value: not reported 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 112 The standard contact username for SIP-DID registration is “*“. If your provider needs another one, please fill in here. If this field is left empty, “*“ will be used. Leave this entry empty in case of single user registrations. Default value: not reported www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 113 “General” / “Tones and announcements” (see 5.1.1 ) and he can dial a DTMF number string. This can be a DTMF number of the DTMF speed dialling list or a complete GSM number. Default value: not reported 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 114 DTMF list, the entered number will be dialled. Note also the menu “DTMF dialling options”.  GSM number The number should be entered in international order, beginning with “+”. A VPN number must be entered with the VPN prefix. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 115  Maximum amount of digits for dialling from SIP A dialled number will be detected as complete after this amount of digits from SIP. Then the call setup will start immediately. Default value: 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 116 DTMF digit. For termination with a DTMF digit you can use “ # “, “ * “ and the digits “ 0...9 ”. After one of these two events, the call setup will start immediately. Default value: 4 seconds / “ # “ www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 117 Fill in a destination number to be called, if no DTMF dialling is made by the calling participant within 15 seconds. Default value: not reported Notice: Settings in menu “By GSM channel” or in menu “By GSM number“ will overrun this setting. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 118: Snmp

    This UDP port is used by the SNMP agent of the AS55X so address SNMP messages. Default value: not reported  Read community Here you can define a community string for read community (e.g. “public” or “private”). It is used to identify the SNMP manager. Default value: not reported www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 119  By default the GET-NEXT requests within the table firstly increment the table element and when the whole table is processed, the index will be incremented. This order can be changed by setting the unnamed bit 45. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 120: Passthrough Backup Mode

    To configure the “Fax extension” a working SIP setup is mandatory. The “Fax extension” is an additional SIP extension number. It is recommended to assign the service to a fix GSM-channel. Within the WLL 550 Pro this is always the channel 2. Default value: not reported www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 121: Special Settings

    In normal cases this special configuration should not be used! Unwanted behaviour of the AS55X will be consequence, if you make changes without exactly knowing the function of the settings. Please contact your distributor before using this tool 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 122: Timers

    The AS55X waits this time for the first digit of DTMF suffix dialling from the mobile phone. This timer is only active, if no fix subscriber delay for this call or this channel is defined. After this timer has expired, the call-setup attempt from GSM domain will be aborted. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 123 If the DTMF tones for entering the GME code are quite long, with this timer the start of the new active task can be delayed in order to avoid recognizing the rest of the tone by this new task. Default value: 0.50 sec. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 124 If you choose a short period, the LAN load is high. A too long period may cause problems when working via a DSL modem if you are getting a new public IP address. The value of 300 seconds is a good compromise. Default value: 300 sec. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 125: Unnamed Bits

    If both callback via call setup list and callback to the GSM subscriber apply to one call from GSM, the callback to the GSM subscriber will be executed first if this bit is set. If it is not set, the callback GSM will be suppressed in this case. Default value: Not set 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 126 (SDP), the AS55X redirects the sending of the RTP stream to the source of the received one. This setting can be necessary, if a NAT router is placed between AS55X and PBX (or SIP provider). Default value: www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 127 The connection normally will be detected if the peer responses with OK. If this bit is set, the connection is counted as given, if the peer sends back any SIP response. Default value: Not set 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 128  Unnamed bit 55, FAX speed restriction If this bit is set, FAX speed is limited to 4800bps. This setting only makes sense, if due to bad line quality, the training procedures often gets very long. Default value: Not set www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 129 If for an outgoing call all channels of the designated group are busy, one of the other ready channels will be used. Hence, the selection of the group is not exclusively, preferred.  Unnamed bit 68, suppress SIP PROGRESS Some PBXs cannot interpret SIP PROGRESS. With this bit, it will be suppressed. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 130 If dialing of star-hash codes to the network is required, this bit can be used. If it is set, the DTMF digit sequence '1#012345' will be converted to '#012345' and '2#012345' will be converted to '##012345'.  Unnamed bit 76, ignore network selection result See unnamed byte 126. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 131: Unnamed Bytes

     Unnamed byte 59, GME timeout passive line This byte specifies the time limit, a GME line is allowed to be in passive state. This timer shall avoid that forgotten lines block resources. Default value: 120 (decimal) 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 132 8: Trace transmitted frames Code this byte as sum of the single modes. The trace load can be reduced with this byte, e.g. if a deeper trace memory for GSM is desired. Default value: 255 (decimal), all modes active www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 133 With the value 1 of this byte, phone context is used, if the phone number is not in national or international order. With the value 2, phone context will be used unconditional and a national or international prefix of the phone number will be removed. Default value: 0, phone context processing off 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 134  Unnamed byte 113, maximum call trials to local FAX The maximal number of call trials to the local FAX device, that is connected to the analogue interface of the WLL. Default value: 0, same as 3 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 135 If the PBX sends the CLIP of the extension with leading digits (e.g. local area code) and if it expects the called number for callback without this leading digits, the number of digits to be removed can be set here. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 136 1: The SIP MESSAGE request will be answered immediately with the provisional response 100 (Trying) and then with the final response 200 (OK) if the sending is successful. 2: The SIP MESSAGE request will be answered with the final response 200 (OK) if the sending is successful. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 137: Unnamed Words

    VoIP connections. Before increasing this value in bad audio cases, it should be evaluated with a network protocol tester, if the jitter is really the cause. This value is understood in ms, the allowed range is 20 to 250. Default value: 0 (same as 50 ms) 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 138: Unnamed Long Words

    CLIP in the P-Preferred-Identity header. If this is unsuccessful (e.g. the header does not exist), the P-Asserted-Identity header will be checked. If also no success, the AS55X looks into the FROM header. Default value: 00000123 www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 139: Test Licences

    If you want to obtain all configuration data, including the test features, login and save your configuration data first or fill in an upgrade code. All data are kept until the first configuration download to AS55X. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 140: Installation

    For changing the username the method is the same. The username and password are saved in the AS55X and NOT in the configuration data. Notice: If you lost your username and password, it can be cleared by the manufacturer only. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 141: Set Name Of Device

    All active calls will be disconnected after the whole transfer. There is one firmware file for all AS55X. The current version of the AS55X you will find at https://www.kuhnt.com. 6.6 Download announcement file Here you can download the announcements files to the AS55X. The selected announcement files will replace the current announcements.

  • Page 142: Services

    GSM cell information. In the special settings menu (see 5.12.1) you have to increase the repetition timer. For normal use this data are not required, so that the default value is zero seconds. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 143 After selecting one row you can see all data at the bottom of the trace window. If you sent a trace file to your local distributer it is not necessary that you make a backup of your configuration. All device data are stored within the trace record data. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 144: View Gsm Channel States

    11x red flashing Error in the benefit of “echo cancelling level” Reset by Timer 12x red flashing Reset by Timer (GSM channel restart time) Mux Start Error 13x red flashing Error in the context of “Telnet mode” www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 145: Control Gsm Channel

    MAC addresses to IP addresses. Normally, only the addresses of your PBX, of your default gateway or of your service PC should be listed here. If a MAC address is not longer in use, it will be deleted automatically after one hour. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 146: View Lan Status

    Also in this time, the ISDN layer 2 errors will be logged, the reboots will be counted and the minimum and maximum temperature of this device will be monitored. The connected minutes are www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 147: Restarts

    “Active” column. The active SIM is marked. The listed minutes are displayed in real-time. Below the listed minutes, you can see how your abort causes are configured. Finally you have the option to see the statistic of the last three time slots of each channel. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 148: View Device Data

    New releases you will find at https://www.kuhnt.com. They will contain bug fixes and sometimes new features. If you want to downgrade your devise you can check the first supported firmware revision for this device (“Minimum firmware revision”).
  • Page 149 AS55X. All received replies will be shown in the lower textbox. To finish your session press “Disconnect from server”. By default this feature is not shown. If you want to test SMS Server or to create a software application, please contact your local dealer to enable this menu item. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...

  • Page 150: Release Notes

    Upgrading for new features is now possible with an upgrade code. The installation window 'Enter upgrade code' generates an upgrade key. This key must be sent to the manufacturer for generation an upgrade code. The received upgrade code has to be copied into the dedicated field and then applied. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)

  • Page 151: Problem Solution

    Because of the high trace traffic that reduces the record history, cell info should only be requested, if necessary for troubleshooting.  Sent short messages in statistics The number of successfully sent short messages via Telnet is shown in the statistics. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 152  IP address and port redirection www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 153 The AS55X in client mode can now receive a dialable GSM number. All received numbers that cannot be assigned to the GSM PBX link list and that are not the clients local username can be treated as direct dialable GSM number. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 154 The AS55X responds to such control codes since this release. Additionally a raw TCP mode is implemented that does not expect and not use any Telnet control characters. The raw TCP mode can be activated by setting unnamed byte 103 to 1. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 155  All files in one installation packet Since version 3.10, all files of a new release are included in the installation packet. The firmware can be found in the subfolder 'Firmware' and the release notes in the 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 156 'ownvoicenumber'. The detection is case insensitive.  SIP P-Asserted-Identity header Normally a SIP provider cannot handle different numbers in the FROM header. In order to make them able to get the CLIP from GSM, the P-Asserted-Identity header can now be included. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 157 PBX internal and external numbers, it can be removed now. For this function, the byte 118 must be set to '7'.  Display own SIM number if CLIP from wired side is present 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 158 Normally the EU-3 module preferably registers to an UMTS network. If byte 121 is set to 1, it exclusively registers to a GSM Network and if the byte 121 is set to 2, if exclusively registers to a UMTS network. This setting is globally for all channels. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 159 Hence, after reset the AS55X can also be accessed from computers without fixed IP addresses and without any additional settings to their network adapters if no other DHCP server is available in the network.  PH8 supported 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 160 In some cases DNS requests would not be forwarded to internet properly if no explicit DNS server IP address has been configured in WLL550 (e.g. if the computer gets its IP address from the WLL550 with DHCP). This problem is solved. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 161 If all received and sent LAN frames shall be traced, the frames for the service channel between computer and AS55X are excluded. Hence, trace forward in this case is possible now.  New module release of TC63i The TC63i release 02.004 is supported now. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 162 AS55X takes account of now.  WLL550, Telephone rings instead of FAX device In some cases if the calling FAX device does not send the CLIP to the WLL550 via GSM, the call was not assumed correctly as FAX call and www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 163 GSM network. With this firmware release, the allowed codecs can be restricted by settings of unnamed byte 122. 0: All codecs allowed hexadecimal 81: AMR disabled hexadecimal 82: HR disabled hexadecimal 80: AMR and HR disabled 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 164 In some cases the GSM module needs very long time to start with reaction of commands and later to return the IMSI of the SIM. This is due to handling much data from the SIM. This will be tolerated now.  SMS callback request and VPN prefix www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 165  SMS callback request with calling number missing If the short message callback request was activated, the placeholder for the calling number was used and if the calling number actually was not present, the device could perform a restart. This problem is solved. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 166 This behaviour can be changed with the unknown byte 127. With value 1, the AS55X will first send a provisional response and a final response, when the short message sending is completed. With value 2, the provisional response will be omitted. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 167 Short message callback can also be used now with the WLL550.  Support of PLS8 Version 2 This firmware supports the PLS8 module version 2 with voice calls and short message services. 8.14.2 Problem solution  Some smaller issues solved. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 168 SNMP. Until now the GET-NEXT requests within the table firstly increment the table element and when the whole table is processed, the index will be incremented. This order can be changed by setting the unnamed bit 45. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 169 If the AS55X is configured as SIP server with authentication (entries in the authorized client list with passwords) and if the SIP client answers to the authentication request from the server within microseconds, this can result into a rejection by the server. This problem is solved. 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 170 Until now the APN selection was made based on the network, the channel is registered at. With this firmware release, the default base for the selection has been changed to the netcode of the SIM IMSI. With unnamed bit 83 set, the former behavior will take place again. www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 171  Display of CLIP with WLL550 If the WLL550 is not programmed, the Calling party number will now be displayed correctly with the international prefix. 8.17 Release 3.22 8.17.1 New and improved features  A  B  C 55Xseries_manual_V3.22 (18-08-15) www.kuhnt.com...
  • Page 172 SERVICE MANUAL AS55X 8.17.2 Problem solution  D  E  F www.kuhnt.com 55Xseries_manual_V3.22 (18-08-15)
  • Page 173 Personal memo: www.kuhnt.com...

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