Grandstream Networks GXW42 V1 Series User Manual
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Grandstream Networks GXW42 V1 Series User Manual

Grandstream Networks GXW42 V1 Series User Manual

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GXW42XX V1/GXW42XX V2 Series - User Manual
Thank you for purchasing the Grandstream GXW42XX Analog FXS IP Gateway. The GXW42XX offers an easy to manage, easy
to configure IP communications solution for any business with virtual and/or branch locations. The GXW42XX supports
popular voice codecs and is designed for full SIP compatibility and interoperability with third party SIP providers, thus
enabling you to fully leverage the benefits of VoIP technology, integrate a traditional phone system into a VoIP network, and
efficiently manage communication costs.
This manual will help you learn how to operate and manage your GXW FXS Analog IP Gateway and make the best use of its
many upgraded features including simple and quick installation, multi-party conferencing, and direct IP-IP Calling. This IP
Analog Gateway is very easy to manage and scalable, specifically designed to be an easy to use and affordable VoIP solution
for the small – medium business or enterprise.
GATEWAY GXW42XX OVERVIEW
The new GXW42XX series has a compact and quiet design and offers superb audio quality, rich feature functionality, strong
security protection, and good manageability. It is auto-configurable, remotely manageable and scalable.
The GXW42XX series features 16, 24, 32 or 48port FXS interface for analog telephones, dual 10/100/1000Mbps network ports,
and RJ21analog port. In addition, it supports the option of 4 SIP Server profiles, caller ID for various countries/regions, T.38
fax, flexible dialing plans, security protection (SIPS/TLS), comprehensive voice codec including G.711 (a/u-law), G.723.1,
G.726(16/24/32/40 bit rates), iLBC and G.729.
Safety Compliances
The GXW42XX is compliant with various safety standards including FCC/CE. Its power adapter is compliant with UL standard.
Warning:
Use only the power adapter included in the GXW42XX package. Use of alternative power adapter may permanently damage the
unit.
Warranty:
Grandstream has a reseller agreement with our reseller customers. End users should contact the company from whom the
product was purchased, for replacement, repair, or refund.
If you purchased the product directly from Grandstream, contact your Grandstream Support for an RMA (Return Materials
Authorization) number. Grandstream reserves the right to change the warranty policy without prior notification.
Caution
Changes or modifications to this product not expressly approved by Grandstream, or operation of this product in any way other
than as detailed by this User Manual, could void your manufacturer warranty.
Warning
Once the GXW42xx V2 device is upgraded to 1.0.7.2, it cannot be downgraded to 1.0.5.4 or an earlier version due to the addition
of 2nd generation individual certificates.
Note
GXW42xx V2 device uses a different firmware file from the GXW42xx V1 device. Please use the correct firmware file for V1 and
V2 devices. To distinguish GXW42xx V2 device from V1 device, please check the label on the back of the device.

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  • Page 1 GXW42XX V1/GXW42XX V2 Series - User Manual Thank you for purchasing the Grandstream GXW42XX Analog FXS IP Gateway. The GXW42XX offers an easy to manage, easy to configure IP communications solution for any business with virtual and/or branch locations. The GXW42XX supports popular voice codecs and is designed for full SIP compatibility and interoperability with third party SIP providers, thus enabling you to fully leverage the benefits of VoIP technology, integrate a traditional phone system into a VoIP network, and efficiently manage communication costs.

  • Page 2: Connect Your Gxw42Xx Gateway

    (1) GXW42xx V2 has “V2” printed for model name. For example, “Model: GXW4216 V2”. If the model’s name doesn’t have V1 or V2 printed, the device is GXW42xx V1. (2) GXW42xx V2 has the device password printed on the label. GXW42xx V1 does not have it. CONNECT YOUR GXW42XX GATEWAY Connecting the GXW42XX gateway is easy.
  • Page 3 Diagram of GXW4216/24/32/48 Panel Ethernet port Connect to the internal LAN network or router RESET Factory Reset button. Press and hold for a while to reset factory default settings. DC IN Power adapter connection Analog port Connect to analog phones / fax machines with an RJ21 to RJ11 cable FXS ports FXS port to be connected to analog phones / fax machines.
  • Page 4 Signal Signal RING1 TIP1 RING2 TIP2 RING3 TIP3 RING4 TIP4 RING5 TIP5 RING6 TIP6 RING7 TIP7 RING8 TIP8 RING9 TIP9 RING10 TIP10 RING11 TIP11 RING12 TIP12 RING13 TIP13 RING14 TIP14 RING15 TIP15 RING16 TIP16 RING17 TIP17 RING18 TIP18 RING19 TIP19 RING20 TIP20 RING21...

  • Page 5: Gxw42Xx Features

    RING23 TIP23 RING24 TIP24 50 Pin Telco Connector For GXW4216, only first 16 pairs are connected. For GXW4232, first 24 pairs on 1 RJ21 connector and first 8 pairs on the 2 RJ21 connector are connected. For GXW4224 and GXW4248, the last pair of pin 25 and 50 on each RJ21 is not connected. All LED lights display green when ON.

  • Page 6: Hardware Specification

    Number of Concurrent Calls (except 16 Concurrent Calls 24 Concurrent Calls 32 Concurrent Calls 48 Concurrent Calls when using SRTP) Voice over Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss concealment), Packet LEC with NLP Packetized Voice Protocol Unit (supports RTP and AAL2 protocol), G.168 compliant Echo Capabilities Cancellation, Dynamic Jitter Buffer, Modem detection &...
  • Page 7 GXW4216 GXW4224 GXW4232 GXW4248 Telephone 16 RJ11 Ports/ 24 RJ11 Ports/ 32 RJ11 Ports/ 2 RJ21 Ports only Interfaces 1 RJ21 Port 1 RJ21 Port 2 RJ21 Ports FXS LEDs Network LAN, Single 10/100/1000 BASE-TX, RJ45 Interface Input:100-240VAC, 50/60Hz Power Input Output: 12V DC, 5.0A (4216/24/32) 24V DC, 6.25A (4248 only) LCD Screen...

  • Page 8: Basic Operations

    GXW42XX LCD Menu The GXW42XX gateway series includes a small LCD screen for the display of basic information. The LCD has a display area of 128×32 pixels, which will allow for 2 lines of text with a 16px height limitation per line. The LCD menu is showed as Figure 3: LCD Menu.
  • Page 9 If user selects “Dynamic IP Mode”, the device will retrieve all IP address information from DHCP server automatically when user reboots the device. The current WAN IP address is announced Enter 12-digit new IP address if in Static IP Mode. “IP Address “...

  • Page 10: Placing A Phone Call

    options: 1. always check 2. check when pre/suffix changes 3. never upgrade Annouces the Certification Information "Certification Information" of the unit. Enter the target IP address to make a “Direct IP Calling” direct IP call, after dial tone. (See “Make a Direct IP Call”.) Voice Mail Number of voice mails Enter “9”...

  • Page 11: Call Waiting

    1. Both GXW42XX and other VoIP Device, have public IP addresses, or 2. Both GXW42XX and other VoIP Device are on the same LAN using private IP addresses, or 3. Both GXW42XX and other VoIP Device can be connected through a router using public or private IP addresses (with necessary port forwarding or DMZ).

  • Page 12: Attended Transfer

    3. Caller A will hear the confirm tone. Then, A can hang up. “Enable Call Feature” must be set to “Yes” in web configuration page. Caller A can place a call on hold and wait for one of three situations: 1.
  • Page 13 number, the GXW will allow 8 concurrent calls to the same SIP number. All office members can be reached remotely using the same phone number in a round-robin fashion. Example Configuration of a typical Hunting Group: 1. Configure the SIP account from your VoIP Service Provider on FXS port 1 under FXS Ports webpage. 2.

  • Page 14: Inter-Port Calling

    A single call directed to the SIP account will NOT result in all ports ringing at the same time. They will ring in the hunting group only. This feature is applicable to incoming calls only. FXS Name: GXW will use CID name from FXS port initiating the outgoing call if the “Name” field is entered for that specific port.

  • Page 15: Configuration Guide

    Direct IP Calling. Dial “*47” + “IP address”. No dial tone will be played in the middle. Detail see Direct IP Calling section on page 12. Disable Call Waiting (for all-config change) Enable Call Waiting (for all-config change) Call Return Service: Dial *69 and the phone will dial the last incoming phone number received.

  • Page 16: Configuring Gxw42Xx With Web Browser

    STATIC IP Mode Select voice menu option 001 to enable GXW42XX to use STATIC IP mode, then use option 002, 003, 004, 005 to set up IP address, Subnet Mask, Gateway and DNS server respectively. PPPoE Mode Select voice menu option 001 to enable GXW42XX to use PPPoE mode. Firmware Server IP Address Select voice menu option 013 to configure the IP address of the firmware server.

  • Page 17: Important Settings

    ● Random password available on the sticker (for V2) View all pages. Not allowed to Viewer Level viewer viewer modify the content. Note The password is case sensitive with maximum length of 25 characters. Only an administrator can access the “ADVANCED SETTINGS”, “Profile 1~4”, and “FXS Ports”...

  • Page 18: Page Definitions

    iLBC AAL2 (all G726) PAGE DEFINITIONS This section will describe the options in the Web configuration user interface. As mentioned, a user can log in as an administrator or end-user. Functions available for the end-user are: STATUS: Displays the network status, account status, software version and MAC-address of the phone MAINTENANCE: Basic settings such as basic network, date and time settings, and web/SSH access settings can be set here.

  • Page 19: Maintenance

    Subnet Mask Shows Subnet Mask of GXW42XX. Gateway Shows Default Gateway of GXW42XX. DNS Server Shows DNS Server of GXW42XX. Shows type of NAT the GXW42XX is connected to via its WAN port.  It is NAT Traversal based on STUN protocol. Port Status Displays relevant information regarding the individual FXS ports. ...
  • Page 20 PPPoE Service Name Specifies a name for PPPoE. Static IP Settings IP Address Configures static IP Address Subnet Mask Configures Subnet Mask Gateway Configures Gateway address. DNS Server 1 Configures primary DNS Server. DNS Server 2 Configures secondary DNS Server. Network settings for Management Interface An interface for HTTP/HTTPS/SSH will be assigned to the management interface.
  • Page 21 Enable LLDP Configure to enable/disable the LLDP (Link Layer Discovery Protocol) service. Layer 2 QoS Settings Layer 2 QoS 802.1Q/VLAN Tag for Value used for layer 2 QoS 802.1Q/VLAN Tag for Service Interface. Service Interface Default setting is 0. Layer 2 QoS 802.1Q/VLAN Tag for Value used for layer 2 QoS 802.1Q/VLAN Tag for Management Interface.
  • Page 22 HTTP/HTTPS User Name The user name needed to authenticate with the HTTP/HTTPS server. HTTP/HTTPS Password The password needed to authenticate with the HTTP/HTTPS server. Always send HTTP Basic Default is No. If set to Yes, device will send configured user name and password Authentication Information within HTTP request before server sends authentication challenge.
  • Page 23 Note: If DHCP Option 66 is enabled, the gateway will attempt downloading a configuration file from the server URL provided by DHCP, even though Config Server Path is left blank. Allows users to configure variables on the configuration server path to differentiate the directories on the server. Example: When provisioning, a user can define the mac address and IP address when Enable Using tags in URL sending ...
  • Page 24 Upload Device Configuration Upload the Config file to reload settings. Restore from Backup Configuration Restore the device configuration from the backup file. Upload Device Firmware Upload Device Firmware Upload .bin file to the device to upgrade the firmware. Download Device Configuration Device Configuration Click to download the device configuration file in .txt format.
  • Page 25 Set new password for web GUI access as Viewer. This field is case sensitive with a New Password maximum length of 30 characters. User Password Set new password for web GUI access as User. This field is case sensitive with a New Password maximum length of 30 characters.
  • Page 26 Periodic Inform Interval Frequency that the inform packets will be sent out to the ACS Connection Request Username The username for the TR-069 Auto Configuration Server to connect to the phone. Connection Request Password The password for the TR-069 Auto Configuration Server to connect to the phone. Configures the port for the TR-069 Auto Configuration Server to connect to the device.
  • Page 27 Set RADIUS shared secret Configure RADIUS VSA Vendor IS to match RADIUS server’s configuration. Default is RADIUS VSA Vendor ID 42397 for Grandstream Networks Inc Configure RADIUS VSA Access Level Attribute to match RADIUS server’s configuration. RADIUS VSA Access Level Attribute...
  • Page 28 Primary RADIUS Server Set Primary RADIUS Server address. Primary RADIUS Authentication Port Default is 1812. Primary RADIUS Account Port Default is 1813. Primary RADIUS Server Secret Set Primary RADIUS Server Secret Secondary RADIUS Server Set Secondary RADIUS Server address. Secondary RADIUS Authentication Default is 1812.

  • Page 29: Security Settings

    MD5 Password Enter the MD5 Password for 802.1X mode. 802.1X CA Certificate Upload or Delete the EAP-PEAPv0/MSCHAPv2, EAP-TLS, .pem file. 802.1X Client Certificate Upload or Delete the EAP-TLS, .pem file with both certificate and private key. OpenVPN® Enable Enable/Disable OpenVPN® feature. Default is No. OpenVPN®...

  • Page 30: Date And Time

    Security The GXW42XX series supports SIP over TLS. It has built-in private key and SSL SIP TLS Certificate certificate. The user specified SSL certificate used for SIP over TLS is in X.509 format. You may also customize the SIP TLS Private Key. The user specified SIP TLS private SIP TLS Private Key key used for SIP over TLS is in X.509 format.
  • Page 31 NTP Update Interval Defines the update interval (in minutes) to obtain the date and time from the server. Default is Yes. DHCP Option 42 is enabled, the NTP server can be changed. If set Allow DHCP Option 42 to NTP Server to No will disable the NTP server be changed.

  • Page 32: Call Record

    Note: Scroll down to “Syslog List” and “The list for SIP log files” to download the saved logs. Call Record Enable or disable override cdr records. By default, the device will split the allowed memory for CDR file into 2 parts. Device will create the first CDR file which is half of the allowed size, when it is full, device will create the second file.
  • Page 33 ● “Reorder tone”: This tone signals to the calling party that the call cannot be processed through the network. ● “Confirmation tone”: This tone is used as an acknowledgement for a processed request. ● “Call-Waiting tone”: This tone is used during an ongoing call to indicate that a new call is waiting. ●...
  • Page 34 This feature allows users to configure with star code to unlock a specific port with the dial out code. Port Lock The default is *21. The user is required to press *21 and the four-digit locking code twice to set the lock code. Code To make a call, the user requires to press *21 and then the locking code and then the actual number to dial out.
  • Page 35 The domain name of the target host. Target Maximum length is 64. NAPTR Settings Name The domain name to which this resource record refers. Maximum length is 256 characters. (Time to Live) refers to the time interval that the record may be cached before the source of the information should be consulted again.
  • Page 36 ● "No": No preference, evenly distributes traffic. ● "Will register to primary server if failover server registration expires": Prioritizes primary server if failover registration fails. ● "Will register to primary server if primary server responds": Prioritizes primary server if it is responsive. The default value is set to "No".
  • Page 37 This parameter controls whether the GXW42XX needs to send REGISTER messages to SIP Registration the proxy server. The default setting is “Yes”. Default is No. If set to “Yes”, the SIP user’s registration information is cleared on Unregister on Reboot reboot. Default is No.
  • Page 38 Default is No. When set to Yes, a SUBSCRIBE for Message Waiting Indication will be SUBSCRIBE for MWI sent periodically. When the device receives a 403 Forbidden SIP response, it can wait for a configured time before retrying a subscription request, instead of retrying immediately. This helps avoid unnecessary network congestion.
  • Page 39 Allow users to configure SIP User-Agent and SIP User-Agent Postfix. The User-Agent SIP User-Agent header is constructed from these two, if not configured, the User-Agent header will use the default one. SIP User-Agent Postfix Allow users to configure SIP User-Agent Postfix. If set to "Yes except REGISTER", all outgoing SIP messages will include the gateway MAC address in the User-Agent header, except for REGISTER and UNREGISTER.
  • Page 40 Fax Mode T.38 (Auto Detect) FoIP by default, or Pass-Through (must use codec PCMU/PCMA) Default is Callee. This decides whether Caller or Callee sends out the re-INVITE for Fax Tone Detection Mode T.38 or Fax Pass Through. Default is No, If set to “Yes”, device will send an INVITE with audio vocoders upon Send Re-INVITE After Fax Completion competition of Fax to continue session in audio only.
  • Page 41 option in “Choice 1”. The last Vocoder is entered by choosing the appropriate option in “Choice 8”. Number of the frame size when it transmits. Default is 2, from 1 -4 for Voice Frames per TX G711/G726/G729 G723 Rate Defines the encoding rate for G.723 vocoder. By default, 6.3kbps rate is chosen. G726-32 Packing Mode Choose the packing mode for G726-32 iLBC Frame Size...
  • Page 42 Selects the proper DC feed current to meet the electricity need of the connected Maximum DC Feed Current device, the options are 20 mA, and 30 mA, Default value is 20 mA Select the value according to the local Telco standard where the GXW42XX is Caller ID Scheme installed.Please refer to the pull-down list to select.
  • Page 43 user dial more than just 3 digits if needed. Originally the phone will dial out immediately after dialing the third digit. Some Dial Plan examples: 1. {[369]11 | 1617xxxxxxx} = Allow 311, 611, 911, or any 10-digit numbers of leading digits 1617 2.
  • Page 44 Specifies how voicemail notifications are visually indicated on analog phones, with options like "FSK," "Neon," or "PR." ● FSK: FSK based VMWI, this mode should be used with FSK cid scheme. Visual MWI Type ● Neon: voltage based VMWI. ● PR: Polarity reversal-based VMWI, this mode should be used with non-LR cid scheme and polarity reversal enabled.
  • Page 45 first line. Lines are skipped if they are still busy on a previous call. These two hunting styles can be configured from the Profile X page. Default is 20 seconds. If call is not answered within this designated time period, the Hunting Group Ring Timeout call will be forwarded to the next member of a Hunt Group.

  • Page 46: Fxs Ports

    8. AAL2-G728-R40 – 72640 9. iLBC – 7201 10. G722 – 722 Ring Tones Customizes the Ring Tone 1 to 3 with associate caller ID: when selected, if caller ID is configured, then the device will ONLY use this ring tone when the incoming call is from the Caller ID.

  • Page 47: Advanced Configurations

    If configured, device will route the incoming call to designated port by request URI user Request URI Routing ID ID in SIP INVITE. Allows users to configure the locking extension for the GXW42xx FXS Ports. Lock/Unlock Extension Code The lock password has to be a 4 character digital string. FXO Mapping This is used only when peering with a Grandstream GXW410x.

  • Page 48: Software Upgrade

    Grandstream provides a central provisioning system GAPS (Grandstream Automated Provisioning System) to support automated configuration of Grandstream devices. GAPS uses enhanced (NAT friendly) TFTP or HTTP (thus no NAT issues) and other communication protocols to communicate with each individual Grandstream device for firmware upgrade, remote reboot, etc.

  • Page 49: Instructions For Local Firmware Upgrade

    or checksum test fails, etc.), the GXW will stop the TFTP/HTTP/HTTPS process and simply boot using the existing code image in the flash. Firmware upgrade may take as long as 15 to 30 minutes over Internet, or just 5 minutes if it is performed on a LAN. It is recommended to conduct firmware upgrade in a controlled LAN environment if possible.

  • Page 50: Restore Factory Default Setting

    When “Automatic Upgrade” is set to “Yes”, Service Provider can use P193 to have the devices periodically check with either Firmware Server or Config Server, whenever they are defined. This allows the device periodically check whether there is any new changes need to be taken, similar to the Anti-Virus Software to upgrade the Virus Definition files. Screenshot is below: Automatic Upgrade:  ...

  • Page 51: Change Log

    2222 33 (press the “3” key twice, “D” will show on the LCD) 3333 MAC Address Key Mapping For example: if the MAC address is 000b8200e395, it should be keyed in as “0002228200333395”. Factory Reset will be disabled if the “Lock keypad update” is set to “Yes”. If still have difficulties to get access to the device, pushing the reset button during booting up will trigger the RECOVERY MODE, and device will use static IP 192.168.1.234/24.
  • Page 52 Added support Conference Notification Tone. [Conference Notification Tone] Added support Remote On Hold Tone. [Remote On Hold Tone] Added support for Ringing Transfer. [Ringing Transfer] Added RTP/RTCP keep alive feature. [RTP/RTCP Keep Alive On Hold] Added ability to support Authentication based on Username/Password on OpenVPN®. [OpenVPN®...

  • Page 53: Product Model

    Added a “Provision“ button which lets user provision manually via WebUI. [Provision] Changed the order of download config file requests to cfgMAC.xml, cfgMAC, cfgMODEL.xml, and cfg.xml. [Download and Process All Available Config Files] Firmware version 1.0.19.1 Product Name: GXW4216 V2/GXW4224 V2/GXW4232 V2/GXW4248 V2 Added new value “Auto”...

  • Page 54: Voice Prompt

    Product Name: GXW4216 V2/GXW4224 V2/GXW4232 V2/GXW4248 V2 Added support for Download and Process All Available Config Files. [Download and Process All Available Config Files]. Added support for Enabling Using tags in URL [Enable using tags in URL] Added the new voice prompt *98. [Voice prompt] Added the additional Flash digit events in the Special Feature Gibtelecom.
  • Page 55 Firmware version 1.0.17.4 Added support for OpenVPN®. [VPN] Added support for DDNS. [DDNS] Added support for 802.1x. [802.1x] Firmware version 1.0.15.2 No major changes. Firmware version 1.0.14.2 No major changes. Firmware version 1.0.13.3 Added support for Send Hook Flash Event Method. [Send Hook Flash Event Method] Firmware version 1.0.11.3 Added support for Israel DST time zone.
  • Page 56 Firmware version 1.0.7.8 No Major changes. Firmware version 1.0.7.5 Change Feature “Validate Server Certificates” default value to No. [Validate Server Certificates] Firmware version 1.0.7.3 Added feature “Enable SIP OPTIONS/NOTIFY Keep Alive”. [Enable SIP OPTIONS/NOTIFY Keep Alive] Added feature “Call Record” to download the call history records from Web GUI. [Call Record] Firmware version 1.0.5.43...
  • Page 57 Added local firmware upgrade support. [Upload Device Firmware] Change “Disable Telnet” option to “Disable SSH” option for more security. [Disable SSH] Firmware version 1.0.5.16 Added option [DTMF-RELAY Tag Respect SIP INFO] [Use Request Routing ID in SIP Headers] for Profile 1-4 audio settings. Added the option of [Crypto Life Time] to support RTP settings.
  • Page 58 Added field [Request URI Routing ID] to allow device to route the calls to individual FXS ports based on the DID, when only have one sip registration. Firmware version 1.0.4.4 Added option [Display Language] to choose language for LCD display. Added option [Prompt Dial Tone Code] to configure dial code.

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