ATCOM D2SV User Manual
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ATCOM D2SV User Manual

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D2SV IP Phone
IP Phone User Manual
Version: 1.0
2022-08-03

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Summary of Contents for ATCOM D2SV

  • Page 1 D2SV IP Phone IP Phone User Manual Version: 1.0 2022-08-03...

  • Page 2: Table Of Contents

    D2SV IP Phone User Manual Content Contact ATCOM ................. 5 Overview of D2SV ..............6 1.1. Interface ................. 7 1.2. Hardware ................7 1.3. LTE data parameters ............... 7 1.4. Software ................8 1.5. Network ................9 1.6. Management and Maintenance ............9 1.7.
  • Page 3 D2SV IP Phone User Manual 2.4. Multiple line dial-up ............... 18 2.5. Call Hold ................18 2.6. Call Transfer ............... 19 2.7. Mute calls ................19 2.8. 5-Way Conference ..............19 2.9. Hang up the phone ..............21 2.10. Voicemail ................21 Keypad and GUI ...............
  • Page 4 D2SV IP Phone User Manual 4.4.2. Import configuration file ..........78 4.5. Export System log ..............78 4.6. Dial plan ................ 79 4.6.1. Replace Rule ............80 4.6.2. Dial-now ..............81 4.6.3. Area Code ............... 82 4.6.4. Block Out..............83 5.

  • Page 5: Contact Atcom

    Contact ATCOM Overview of ATCOM ATCOM is the leading VoIP hardware manufacturer in global market. We have been keeping innovating with customer’s needs oriented , working with partners to establish a total solution for SMB VoIP with IP phone , IP PBX and Asterisk cards.

  • Page 6: Overview Of D2Sv

    D2SV-PW VoLTE mode is not only compatible with most 4G operators' VoLTE PW VoLTE mode is not only compatible with most 4G operators' VoLTE PW VoLTE mode is not only compatible with most 4G operators' VoLTE systems, but also allows users to experience excellent voice quality.

  • Page 7: Interface

    VoLTE is not supported, VoLTE is supported, and SIP is not supported; example:D2SV-V VoLTE 1.1. Interface Power Input Note: D2SV uses 5V/1A, other models use 5V/2A LAN Port RJ45 PC Port RJ45 Headset Jack Handset Jack LTE Nano card Port Nano-SIM card port 1.2.

  • Page 8: Software

    Max 85.6Kbps (DL) Max 85.6Kbps (UL) Note: Different modules of D2SV support different LTE bands, please connect ATCOM technical support for details. 1.4. Software Support VoLTE voice and data (Note: VoLTE voice cannot support all the D2SV modules)  Support Wi-Fi ...

  • Page 9: Network

    D2SV IP Phone User Manual Call History with 400 records include answered calls, missed calls, dialed calls and forward  calls Auto update via HTTP, HTTPS, FTP, TFTP, DHCP, RPS and PNP  Syslog  SNTP, NTP  Customized Ringtone ...

  • Page 10: Compliant And Certified Standard

    D2SV IP Phone User Manual DHCP: Dynamic Host Configuration Protocol  SIP RFC3261, RFC3262, RFC3263, RFC3264, RFC3265, RFC2543, RFC3489, RFC3842,  RFC3515, RFC2976, RFC3428, RFC2327, RFC2782, RFC1889 TCP/IP: Transfer Control Protocol/Internet Protocol  RTP: Real-time Transport Protocol  RTCP:RTP Control Protocol ...

  • Page 11: Connection

    D2SV IP Phone User Manual Headset Optional 1.10. Connection 1.10.1. LTE network The phone insert the SIM card, and get the LTE or 3G network after the phone power on. When the phone is successfully connected to the network, the LCD would appear the icon...

  • Page 12: Lan Port Instructions (The Phone Need To Support The Lan Port Model)

    D2SV IP Phone User Manual Please press Menu→Wi-Fi Settings→ Hotspot, you can choose to turn on or off the hotspot, and press the down navigation key to view or modify the initial name and password. 1.10.2.2 Wi-Fi network card mode Please press Menu→Wi-Fi Settings→WLAN, select the Wi-Fi SSID and input the...

  • Page 13: Installation Instruction

    D2SV IP Phone User Manual 1.11.2. Installation instruction nstallation instruction A. Bottom up the IP phone, press the joints of stand bracket into the slots p the IP phone, press the joints of stand bracket into the slots p the IP phone, press the joints of stand bracket into the slots and push it to the right to fasten: ATCOM TECHNOLOGY CO., LIMITE...
  • Page 14 D2SV IP Phone User Manual B. After installation, the picture is as below: C. Remove the stand bracket: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...

  • Page 15: Call Function

    D2SV IP Phone User Manual Push the joint of stand to left and pull the stand according to the direction of the arrow. When the joints are pulled out of the slot, you can take off the stand bracket 2. Call Function 2.1.

  • Page 16: Make Calls

    D2SV IP Phone User Manual Pick up the handset and talk with the caller. If you want to hang up, just put back the handset. When you are talking with the handset and want to switch to speaker or headset mode, please...
  • Page 17 D2SV IP Phone User Manual Press key, the LCD will show the current lines (user is able to switch from line1 to line6 by pressing the line key beside the LCD). Input the phone number and press soft key "Send" to dial the number. When caller hear the tones of “du~~du~~” and the phone number your dialed is being displayed on the LCD, the phone at the side of being called should be ringing.

  • Page 18: Pre-Dial

    2.4. Multiple line dial-up D2SV supports up to 8 concurrent calls. If there is a new incoming call when you’re talking on D2SV,the new incoming call will be displayed on LCD and status indicator LED will be fast blinking. User can press soft key "Hold" then press “Answer” to receive the new incoming call.

  • Page 19: Call Transfer

    If the target number has been setup in the current BLF list, and you have already finished the necessary setup on Webpage of D2SV, there is an easier way to complete the attend transfer. While calling, press the corresponding BLF key of the target number and then press the "Transfer"...
  • Page 20 D2SV IP Phone User Manual 1. While on calling, press the soft key “Conf”, input the 3 party’s phone number and then press the softkey “Dial” or press the soft key “Conf” and press the corresponding BLF key to invite the 3 party to join a conference call.

  • Page 21: Hang Up The Phone

    D2SV IP Phone User Manual 4. Remove 4.1. While on the Conf call, the initiator can press the ‘Remove’ soft key to remove the chosen conf member, the remove talking would be end the call. 4.2. If all the conf member be removed, the conf call would be ended.

  • Page 22: Keypad And Gui

    D2SV IP Phone User Manual D2SV has a key for entering voicemail box and indicating new voicemail. Press key to enter the menu to configure voicemail number if you have never configured it previously. Otherwise, the voicemail number will be called after pressing it.
  • Page 23 “History”. Adjust the volume(speaker/handset/headset/ring). Volume level will be displayed on LCD when pressing volume key. Confirm users’ operation and show status when D2SV is idle. Cancel users’ operation. Enter menu settings. Pick up and hung up under the speaker mode.

  • Page 24: Starting

    D2SV IP Phone User Manual Pick up and hung up under headset mode. Check the Voicemail status. Hold the current call. Redial the last dialed number 3.2. Starting 3.2.1. When start on the phone, it turns to standby status in about 50 seconds.

  • Page 25: Standby

    D2SV IP Phone User Manual Note: If the PIN code is enabled on the SIM card, after entering the standby interface, you will be asked to enter the PIN code. According to the network service provide requirement: you need to enter the correct PIN code within three times. Otherwise, the card will be automatically locked and the PUK code will be prompted to unlock.
  • Page 26 D2SV IP Phone User Manual Area Item Description Status: to indicate the call status Time Softkey：”History”, “Dir”, “DND”, “Menu” Date Line key Icon on Standby UI Icon Description The account is registered successfully. The account is not registered successfully. The line is being occupied for dialing.

  • Page 27: Configuration

    D2SV IP Phone User Manual 3.4. Configuration Press the key to enter the Main Menu： Move the navigation key and press the softkey “Enter” or input the corresponding Number key Select the item of Main Menu： Number Key“1” Enter “Status”...
  • Page 28 D2SV IP Phone User Manual 2. Details Status——Network info. Production info and Account info in details. Basic Status You’re able to check the basic status in both ways as below： 1. Press the key on standby. 2. Press the key and select the “Status”...

  • Page 29: Call Features

    D2SV IP Phone User Manual Press the softkey “Enter” to check status info, and “Back” to return the Basis Status page. Check the Status info via Web 1. Check the IP address of IP phone； 2. Type the IP address on a web browser；...
  • Page 30 D2SV IP Phone User Manual 1. Call Forward “Call Forward” includes“Always Forward”, “Busy Forward”, “No Answer Forward”. “Always Forward” has the highest priority, and “Busy Forward” has the same priority as “No Answer Forward”, that means once the function of “Always Forward” is activated, other call forward features will be unavailable.
  • Page 31 D2SV IP Phone User Manual Off Code The feature code to disable all incoming The Number key, “*” key, and calls forward, the phone will send the “#”are permitted to be input. feature code to close all incoming calls forward directly Busy Forward It means the phone is busy once the phone is not at standby mode.
  • Page 32 D2SV IP Phone User Manual All incoming calls will be forwarded after time out, once the feature of “No Answer Forward” is activated. Setup this feature as below, and please move the navigation key to check more: Item Operation Description No Answer Switch on or Switch off the feature.
  • Page 33 D2SV IP Phone User Manual 2. Call Waiting The feature of “Call Waiting” is available by default. If switch off this feature, whatever multiple SIP accounts had been registered successfully, only one single active calling is permitted (for example Dialing, Ringing, Calling, Holding).
  • Page 34 D2SV IP Phone User Manual softkey “Switch” to setup “Enable”mean this feature is enabled，“Disable”mean this feature is disabled. Call Waiting Tone Switch on or Switch off the prompt playing. “Enable”mean this feature is Press the key enabled，“Disable”mean this feature softkey “Switch” to setup is disabled .
  • Page 35 D2SV IP Phone User Manual 4. DSS Keys The programmable keys include Line keys, Programmable keys and Soft keys on Standby UI. it is able to modify the feature of each programmable key. All programmable keys has been classified as “N/A”, “Line Key”, “BLF”, “Key event”, “Speed dial”，“Intercom”...
  • Page 36 D2SV IP Phone User Manual Item Description Account ID To display the account ID, press the soft key “Switch” or 、 to modify, the optional value is Account 1 to 4. Account name Display the account name of each account ID, non-modifiable.
  • Page 37 D2SV IP Phone User Manual Conference The 3-way conference will be setup by pressing the key “Conf” while on calling. For more info, please refer to Chapter 3.8。 The configuration item Label is a name to identify the key on LED, can be set as “conference”.
  • Page 38 D2SV IP Phone User Manual Item Description Value The phone number monitored for pickup Label A2X cannot definition label Reminding：This code must be set for pickup, and this code can be set via Web only. Set the Pickup code as follow：...
  • Page 39 D2SV IP Phone User Manual Directory Press this key to access Directory. Speed Dial Press this key while standby state, the specified target phone number will be dial from the specified account. Item Description Value The target phone number for speed dial...
  • Page 40 D2SV IP Phone User Manual 5. Key as Send The key “Key as Send” has the same function as the soft key “Dial”. Reminding: This key is not available while pre-dial. It’s the only way to press the soft key “Dial”...
  • Page 41 D2SV IP Phone User Manual Item Description Hotline Set up the hotline number, the value is null by default. Hotline timeout Set up the timeout for hotline activation，4 seconds by default. Set hotline via web: Phone→Features→General Information→Hotline. Set Hotline Time-out(secs) via web: Phone→Features→General Information→Hotline Time-out(secs).

  • Page 42: Contacts

    D2SV IP Phone User Manual Item Operation Description Accounts press the soft key “Switch” or Select the Account for anonymous call. to modify, Anonymous press the soft key “Switch” or Switch on/off the feature of making Call anonymous calls. to modify,...
  • Page 43 D2SV IP Phone User Manual 1. Press the soft key “Contacts Contacts” when the phone is standby 2. Press the navigation key 3. Press the menu key , and then select , and then select “Contacts” Configure the “Contacts” via Web via Web：...
  • Page 44 D2SV IP Phone User Manual Name and phone number are permitted to be saved into the local phonebook, and up to 400 items. It’s able to add new group, new contact, edit or delete exist contact or dial, also move the item to blacklist.
  • Page 45 D2SV IP Phone User Manual Item Operation Description Name Input by number It’s used to identify different phone keys,”*”or “#”key, change numbers. Any reduplicated names are not the input-method via permitted in the contacts. pressing the soft key “abc” Office You can save three numbers at most.
  • Page 46 D2SV IP Phone User Manual Edit the contact item via Web: Contacts→ Contacts→click on the item to edit→modify messages→Click “Edit”→Click “Save”. Delete the contact Path to delete the contact on the phone：Press →Contacts→Local Contacts→All contacts→Select the item to delete→Option→Delete→ OK→OK.
  • Page 47 D2SV IP Phone User Manual Press the soft key “Cancel” at the Warning UI to stop this operation. Move the contact item to blacklist via web ：Contacts→ Contacts→Select the item to move to blacklist→Click on “Move to black List”→Click on “Save”。...
  • Page 48 D2SV IP Phone User Manual 3. Search Remote Phonebook name: Select “Yes” or “No” to enable or disable search remote phonebook name. 4. Search Flash Time: Set the search flash time. Defauts to 120. LDAP Enable LDAP: Select “Yes” or “No” to enable or disable LDAP.

  • Page 49: History

    D2SV IP Phone User Manual Base: Set the LDAP search base. Username: Set the LDAP server username. Password: Set the LDAP server password. Max Hits(1~32000): Set the maximum number of search results from the LDAP server. LDAP Name Attributes: Set the name of the attributes returned from the server.
  • Page 50 D2SV IP Phone User Manual Make calls from history Path to make calls from history on the phone：Enter history UI→Select the item to dial→ Dial. Delete one item from history Path to delete one item from history on the phone：Enter history UI→Select the item to delete→Delete.
  • Page 51 D2SV IP Phone User Manual Path to check the details of history on the phone：Enter history UI→Select the item to check→Option→Detail→Press or “OK”. Add to Contact 1. Enter “Call History”→Select the target item→Option→add to Contact→Press the or soft key “Confirm”.

  • Page 52: Message

    D2SV IP Phone User Manual or soft key“Cancel”to Cancel the modification. Add to Blacklist For more info about this operation, please refer to Add to Contact. Delete all History’s records Path to delete all history’s records on the phone：Enter History UI→Option→Delete all→...

  • Page 53: Settings

    D2SV IP Phone User Manual 3. Press the key →Select “Message”→Setup Voicemail View Voice Mail User is able to check voicemail in below ways: 1. Setup voicemail number→Press the key 2. Press the key →Select “Message”→“View Voicemail” Select the account with “N new N old mail”, and press the soft key “Connect”, the corresponding voicemail will be connected.
  • Page 54 D2SV IP Phone User Manual Basic settings and Advanced settings will be introduces in this part, Basic Settings 1. Language D2SVsupports multiple language, to modify the language, please press the key →Setting →Basic setting→Language→Select the target language and press the soft key “Save”.
  • Page 55 D2SV IP Phone User Manual 2. Time &Date Time & Date will be displayed at the standby page of D2SV，and these info will be related with all process of IP phone. “Time & Date” can be gained by NTP Server automatically or set manually.
  • Page 56 D2SV IP Phone User Manual Item Operation Description Time Zone Select the correct Time Press the key or soft Zone for the IP phone. key “Switch” to modify it. NTP Server Key in the IP address of domain Specify the NTP Server name by the number keys,”*”,”#”...
  • Page 57 D2SV IP Phone User Manual Item Operation Description Time Zone Click drop-down box to Set a time zone matches condition select Primary NTP The primary NTP server that provide Manual input Server time and date Secondary NTP The secondary NTP server that provide...
  • Page 58 D2SV IP Phone User Manual Offset(minutes) The offset time that daylight rule takes Manual input effect Manual Settings Path to set on the phone：Press →Settings→Basic Settings→Time & Date→Manual Settings. Please move the navigation key to check more: Item Operation Description Year Key in “Year”...
  • Page 59 D2SV IP Phone User Manual Item Operation Description Manual Time Click the drop-down box A switch to control the status whether to select to enable the manual time or not Date Manual input, click Set date manually “Generated Date” to...
  • Page 60 Tuesday,17,Oct. Set the Time &Date Format via Web：Phone→Preference 4. Ringtones 10 different ringtones have been provided by D2SV for selection. Path to set on the phone： Press the key →Settings→Basic Settings→Ringtones。 For the selected ringtone，there is a dot inside the circle. Press the key to select other ringtone for playing.
  • Page 61 D2SV IP Phone User Manual Headset memory mode can be used to control the default device to make or answer calls. This function is disabled by default, which means the phone will communicate with others by hand- free when pre-dial or making calls from history or contacts, and so is the situation that pressing “Answer”...
  • Page 62 D2SV IP Phone User Manual Item Operation Description Current PIN Manual input Input the phone current PIN New PIN Manual input Set the new PIN Confirm PIN Manual input Confirm the new PIN Advanced Settings Password will be requested while accessing the page of “Advanced Settings”. This password is the same as the user’s(“admin”) to access.
  • Page 63 D2SV IP Phone User Manual Item Description Activation The status of account，the default is “Enable”，if set this as “Disable”, the account will be forbidden. Label It will show on the phone, can skip this item Display Name Parameter that in the SIP, if the SIP Server is supportable, this name...
  • Page 64 D2SV IP Phone User Manual 2. Set Password The password for Advanced Settings also is used for Web access as the role “admin”. Path to set password on phone: Press →Settings→Advanced Settings→Input password→Set Password. Item Description ATCOM TECHNOLOGY CO., LIMITE...
  • Page 65 D2SV IP Phone User Manual Current PWD The current password for web access as the role of “admin”, it’s “admin” by default. New PWD To set the new password, blank is acceptable. Confirm PWD Input the new password again, to confirm the new password.
  • Page 66 D2SV IP Phone User Manual APN Settings  APN (Access Point Name), is a parameter that must be configured when the phone obtains the network, which determines the method of the phone to access the network, and is used to indicate the type of GPRS service.
  • Page 67 D2SV IP Phone User Manual Wi-Fi Hotspot(Wi-Fi AP)  The phone turns on the Wi-Fi hotspot (Wi-Fi AP) function by default, the LCD would appear the icon . the initial SSID and password of the hotspot can be viewed on the sticker on the phone back cover.
  • Page 68 D2SV IP Phone User Manual The phone can choose three call modes such as VoLTE/SIP, VoLTE, SIP (need to support VoLTE call phone) 4. Keypad Lock It support enable or disable the keypad lock feature, if enable, the default password is 123: Please move the navigation key to check more Keypad lock via webpage: phone→Phone lock...
  • Page 69 D2SV IP Phone User Manual 1. Keypad Lock Enable: select “Yes” or “No” to enable or disable keypad lock 2. Keypad Lock Type: Menu key/Function keys/All keys/Answer call only. 3. Phone Unlock PIN(0~15 Digit):set the phone unlock PIN. Range: 0~15 digit.
  • Page 70 D2SV IP Phone User Manual Reboot via webpage:Phone→Upgrade→Reboot 4. SIM card lock setting 5. Reset to factory Once reset to factory, all parameter settings will back to the factory default value, and all configure will be cleared, users must be careful on this.

  • Page 71: Display

    D2SV IP Phone User Manual Reset Option: Full Reset, Config Reset and UserData Reset. Reset to factory via Web：Phone→Upgrade→Reset to Factory. 3.4.7. Display For more convenient, users are able to adjust the contrast grade and backlight of the main LCD display.
  • Page 72 D2SV IP Phone User Manual 1. Slave Contrast There are 9 different contrast grades for options, press the soft key “Switch” or the key for modification,8 is the default value. 2. Backlight Backlight is the brightness of LCD, also it has been defined as 9 different grades. The number “9”...

  • Page 73: Advanced Feature

    D2SV IP Phone User Manual 4. Advanced Feature 4.1. Codecs D2SV support multiple codecs, users can select the codes via Web. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...

  • Page 74: Capture And Upgrading

    D2SV IP Phone User Manual means to enable the item of “Disabled Codes”； means to disable the item of “Enabled Codes”； Click the button to sort all enabled codes, the top item has the highest priority. Note：Multiple different items of G726，iLBC should not activated simultaneously.

  • Page 75: Auto Provision

    D2SV IP Phone User Manual Click the button “Start” to start the capture and click the button to start the capture and click the button “Stop” to end the capture. to end the capture. Then click the button “export” to download the capture file.
  • Page 76 D2SV IP Phone User Manual Item Description PnP Active Select “On” or “Off” to enable or disablePNP automatic updates DHCP Active Select “On” or “Off” to enable or disableDHCP option automatic updates Provisioning The address to save control file for auto upgrading, it can filled by http, Server https, tftp and ftp server，for example, tftp://192.168.1.111...

  • Page 77: Export & Import Configuration File

    D2SV IP Phone User Manual Check New Config If set this parameter as “On”, the phone will do some check for upgrading, and it will upgrade automatically once the conditions are met Repeatedly If set this parameter as “On”, the phone will do some check for upgrading after “Interval(minutes)”，and it will upgrade automatically...

  • Page 78: Import Configuration File

    D2SV IP Phone User Manual To modify the exported configuration file, you should to decompress it until you get a file names as configuration. The content of configuration file listed as below, 4.4.2. Import configuration file Click the button “Choose file” to select the target file for importing, and then click the button “Import”.

  • Page 79: Dial Plan

    D2SV IP Phone User Manual Item Description Log Location You can import the system log to local PC or remote Server. Server Name User must fill the address of server if you choose to export the system log to remote server.

  • Page 80: Replace Rule

    D2SV IP Phone User Manual 4.6.1. Replace Rule Dial plan “Replace Rule” means to replace a batch of complicated character string by some simple characters, to make a speed dial. Item Description Sample Number The string works as replacer, not null Set Number as “6”,...

  • Page 81: Dial-Now

    D2SV IP Phone User Manual Save Any alteration won’t take effect until the button “Save” is clicked. 4.6.2. Dial-now Dial plan “Dial-now” permits the corresponding phone to be dialed instantly without pressing the soft key “Dial”, once the input has been matched. It works like a hotline.

  • Page 82: Area Code

    D2SV IP Phone User Manual Delete Delete one added or saved dial-now dial numbersmatches the plan or multiple ones, click the frame after dial plan, and hotline the specified dial-now dial plan before takes effect in delete it, and then click button “Delete”...

  • Page 83: Block Out

    D2SV IP Phone User Manual Confirm Apply this dial plan number input in the dial UI is not between minimum length and the maximum Recover all input fields to the state length, area code will not Cancel that saved at latest time take effect 4.6.4.

  • Page 84: Wi-Fi

    D2SV IP Phone User Manual 5. WI-FI 5.1. Configure the WIFI on the phone 1. Press “Menu”→“WIFI Settings”→“Switch”, open the WIFI connection mode. 2. Please move the navigation key to check the WIFI you want to connect, Press “Connect”, t hen input the correct WiFi password.

  • Page 85: Enterprise Wifi

    D2SV IP Phone User Manual Input the right “Secret Key” and then click the “Confirm” button, the phone will reboot, after rebooting,the Wi-Fi icon will display on the home screen, it means connect failed when the icon come with , then you should check the configuration.if the icon come with ,it means connect successfully.

  • Page 86: Lte Network

    D2SV IP Phone User Manual 2. Input the WIFI account info Via the webpage: “Phone”→“Network”→ “WIFI” Press the “Search WIFI”, and select the SSID, then input the radius ID and password. Via the phone: Press “Menu”→“WIFI Settings”, and select the SSID , then input the radius ID and password.

  • Page 87: Faq

    D2SV IP Phone User Manual 7. FAQ 7.1. How to reset to factory There are 3 methods for factory reset： 1. Factory reset via phone： a) Press the key b) Select “Settings”, then press the soft key “Enter” c) Select “Advanced Settings”，then press the soft key“Enter”...

  • Page 88: Upgrade The Firmware On Safe Mode

    D2SV IP Phone User Manual 7.2. Upgrade the firmware on safe mode If the phone can’t be started successfully, user is able to upgrade the firmware on post mode, a) Setup a TFTP Server and set the PC’s IP address as “192.168.1.200”...
  • Page 89 D2SV IP Phone User Manual ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...

  • Page 90: Troubleshooting

    D2SV IP Phone User Manual 8. Troubleshooting 8.1. The phone is failed to register to SIP server 1. First of all, check the IP address. If the LAN port is DHCP, please ensure the DHCP server has been enabled. 2. Check the network gateway 3.

  • Page 91: Abbreviation

    D2SV IP Phone User Manual 9. Abbreviation DND：Do Not Disturb CFWD：Call Forward Bxfer：Blind Transfer Conf：Conference Num：Number SIP：Session Initiate Protocol RTP：Real-time Transport Protocol SDP：Session Description Protocol VPN：Virtual Private Network VLAN：Virtual Local Area Network QoS：Quality of Service Syslog：System log UDP：User Data Protocol TCP：Transmission Control Protocol...

  • Page 92: Fcc Caution

    D2SV IP Phone User Manual 10. FCC Caution Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. The devices complies with part 15 of the FCC Rules. Operation is subject to the following...

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