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8.1. The phone is failed to register to SIP server ........97 8.2. The phone is failed to gain IP address ..........97 8.3. Only one party can hear from another on calling ........97 9. Abbreviation ................98 10. FCC Caution ................99 ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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.
LAN Port RJ45 PC Port RJ45 Headset Jack Handset Jack LTE Nano card Port Nano-SIM card port(A20LTE) 1.2. Hardware 132*52 400MHz Dual-Core LED Indicator 1 Status Light , 2 line indicators 1.3. LTE data parameters ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Phone book with 1000 contacts and 50 blacklists 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 ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
1.6. Management and Maintenance Support firmware updating under safe mode Support different level user management Configuration via web , keyboard Support multi-language Firmware and configuration file auto provision Support system log ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Humidity: 10 to 90% no dew 1.9. Packing list Model A2X(W) Telephone 1 Unit Handset 1 Unit Handset cable 1 Unit 1 Unit Stand bracket 1 Unit Wall bracket Optional for A21,A26 Power adapter Standard for A20W, A20WAC,A20LTE ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
(Laptop, IP phone) is able to access network via the PC port of A2X(W). The topology is as follows: 1.10.2. Connect WiFi network A20W and A20WAC is able to connect the WiFi. The topology is as follows: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
The topology is as follows: 1. Press Menu → LTE Setting, enable LTE feature 2. After enable LTE, press ↓ key, you can see Network service, Network type, Signal strength and IMSI. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
The A20LTE connecting port introduction, From as below picture show the connecting port and insert the standard Nano-SIM card into the back cover way: (Note: please don’t plug in and off Nano card when the phone connected power) ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
A2X(W)/A20LTE IP Phone User Manual 1.11.2. Installation instruction 1. Stand bracket installation instruction A. Put the bottom side of the IP phone upside and press one-side joints of stand bracket into the slot, please refer the picture as below: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual B. Press the other side joints into the slot according to the direction of the arrow: C. It is the right picture after fixing the stand bracket below: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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When the joints are pulled out of the slot, you can take off the stand bracket 2. Wall-hung Installation A. Put the bottom side of the IP phone upside and press one-sidejoints of wall-hung stand bracket into the slot, please refer the picture as below: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual B. Press the other side joints into the slot according to the direction of the arrow ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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D. Press the other side joints into the slot according to the direction of the arrow Knock in nails or screws on the wall according to the proportion of the distance between the hanging holes as below: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual F. It is the right picture after fixing the stand bracket below: G. Disassemble the stand bracket: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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 press key or key,and then put down the handset. B. Answer by speaker ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
LCD, the phone at the side of being called should be ringing. If the called party answers this calling, the call is established and the calling timer is started immediately. C. Use the headset ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
3. Pickup the handset, press and enter “Call History” ,then select one of call history entry, and press "Dial" soft key to call this number. 2.3. Pre-dial It’s a method to dial a phone number immediacy at standby mode. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
While calling, press the "Transfer" soft key to hold the current call and dial the target number you want to transfer to on the activated line and press “Send” soft key to call that number. After the target party answers the call, press "Transfer" soft key again to complete the transfer. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
“Dial” or press the soft key “Conf” and press the corresponding BLF key to invite the 3 party to join a conference call. 2. After the third party answers the call, pressing "Conf" key again to establish the 3-way conference. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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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. 5. Hold ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
A2X(W)/A20LTE IP Phone User Manual 3. Keypad and GUI 3.1. Keypad Description of the keys and Screen ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Mute the mic in a conversation by pressing the Mute button; this prevents the person on the active call from hearing what you or someone else in the room is saying. To un-mute, press the Mute button again. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
3.2.1. When start on the phone, it turns to standby status in about 50 seconds. 3.2.2. After boot up finished, User can select the Language and time zone manually, and choose to connect the WIFI or not in the A20W or A20WAC IP phone. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual 3.2.3. A20LTE IP phone can choose to connect LTE or not. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
PUK code will be prompted to unlock. If the SIM card need input APN code, you can press Menu → LTE setting → APN setting, choose “Enable” custom APN, and press ↓button to input APN account info. 3.3. Standby ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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The line is being occupied for dialing. New incoming call Call hold. Unavailable Network. Calling via handset Calling via Speaker. Calling via headset. WiFi Signal indicator Call Forward is activated. New Voicemail. Auto-Answer is activated. DND is activated ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Enter “Status” Number Key“2” Enter “WiFi Setting” Number Key“3” Enter “Feature” Number Key“4” Enter “Directory” Enter “History” Number Key“5” Enter “Message” Number Key“6” Enter “Settings” Number Key“7” Enter “Display” Number Key“8” A20, A21 and A26: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
And the basic status and details status will be optional displayed on LCD display 1. Basic Status——IP address.MAC address. Firmware version。 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: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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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; ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Answer Forward”, that means once the function of “Always Forward” is activated, other call forward features will be unavailable. Any type of Call forward feature is activated, the Icon will be indicated on the LCD Display. Always Forward ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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“#”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. Setup this feature as below: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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No Answer Forward 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: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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The Number key, “*”key, calls forward, the phone will send the and “#”are permitted to be feature code directly to close all input. incoming calls forward Setup Call Forward Via Web Set Call Forward via web: Phone→Features→Forward. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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SIP accounts had been registered successfully, only one single active calling is permitted (for example Dialing, Ringing, Calling, Holding). Item Operation Description Call Waiting Switch on or Switch off the feature. Press the key ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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“on Calling” status. Please move the navigation key to check more: The Icon will be indicated once “Auto Answer” is available。 Setup “Auto Answer” via Web:“Phone”→ “Feature”→ “General information”→ “Auto Answer” ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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“Pickup”, “Call Park”, “DTMF”, “Directory”. Comments: N/A means this key is not permitted to be set as a programmable key. Line key Display the account information, press it for making a call, answering incoming calls, call hold and resume. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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(5003), please set “6070” here. Extension This code must be configured for pickup, and this code provide by Server. If the code is not matched by Server, the feature of pickup will not work. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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The configuration item Label is a name to identify the key on LED, can be set as “return”. Call Pickup Press this key to pick up if new incoming call to the monitored phone number. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X cannot definition label DTMF Press this key while on calling, the phone will send the configured “Value” automatically. Item Description Value The value sent to remote end while on calling. Label A2X cannot definition label ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Press this key when the phone is idle, the phone will dial the specified “Value”, and there mote end will answer the call automatically. Note: This feature is supported by specified servers only. Item Description Value The target phone number for Intercom Label A2X cannot definition label ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Once “Hotline” has been set, the phone will automatically dial the hotline via the 1st available line if the phone stay in the standby status exceed the specified waiting time and there is no input (or input something and then all deleted). ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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If switch on the feature “Anonymous call”, all outgoing calls will be displayed as anonymous call in the remote end. If switch on the feature “Rejection”, all incoming anonymous calls will be blocked automatically. please move the navigation key to check more: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Set Anonymous Call via web:Account→Basic→Select the Account→Anonymous Call. Set Anonymous Call Rejection via web:Account→Basic→Select the Account→Anonymous Call Rejection. 3.4.3. Contacts The content of Directory includes local phonebook and blacklist. Enter Directory as follow, ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Directory, it will be an easy way to search by keyword about name, Office Number, Mobile Number or other Number. The exactly matched item will be listed, otherwise you will be prompted “Not find the specified contact”. Local Contacts ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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If multiple phone numbers saved with the selected contact person, user must select one of the phone numbers for dialing while calling the contact person. Add new contact →Contacts→Local Contacts→All contact Path to add new contact on the phone:Press →Add. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Add new contact via web:Contacts→ Contacts→Input messages→Add→Save. Edit the contact User must re-edit the contact item while updating one item of local phonebook. →Contacts→Local Contacts→All contacts Path to edit the contact on the phone:Press → Select the item to edit→Option→Edit→OK. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Delete the contact item via web: Contacts→ Contacts→Select the item to delete→Click on “Delete”→Click on “Save”. Move to blacklist →Contacts→Local Contacts→All Path to move to blacklist on the phone:Press contacts→Select the item to move→Option →Move to Blacklist → OK→OK. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Remote phonebook 1. Remote URL: Set a remote phonebook download path. Support the TFTP,FTP,HTTP and HTTPs server. 2. Display name: Set a display name on the phone. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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LDAP Name Filter: Set the name of the LDAP search attributes. LDAP Number Filter: Set the number of the LDAP search attributes. Server Address: Set the LDAP server domain name or IP address. Port: Set the LDAP server port number. Default to 389. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Also, user is able to check the detail info of call history via Web, but only review operation is allowed while accessing via web. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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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. Check the details of history ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Number” will be the previous value, otherwise “Old Number” will be null. The UI page of “Add to Blacklist” is the same as above. 2. Modify the contact name, phone number and ringtone. 3. Press the key or soft key “Saved” to save the modification, press the key ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Set “MWI Subscription Period(secs)” via web:Account→Advanced→MWI Subscription Period(secs). Set Voice Mail There are 3 different methods to set up the voicemail, 1. Press the key after factory set 2. Press the key for a while ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Select the account with “N new N old mail”, and press the soft key “Connect”, the corresponding voicemail will be connected. Select the account with “Unregistered”, and press the soft key “Connect”, the setting page of Voicemail will be popped up. 3.4.6. Settings ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Setting→Basic setting→Language→Select the target language and press the soft key “Save”. Set language via web:There is a drop-down box at the top left corner of webpage,choice one kind of language and click, the language will take effect immediately. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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IP phone. “Time & Date” can be gained by NTP Server automatically or set manually. NTP Setting →Settings→Basic Settings→Time & Date→NTP Path to set on the phone:Press Settings. Please move the navigation key to check more: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Server Daylight-Saving Optional: “Off”, “Auto” or Time “Manual”. And “Manual” Press the key or soft mean user must set this key “Switch” to modify it. via web. Set NTP via Web:Phone→Preference. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Click drop-down box to The day of week that the daylight rule select stops taking effect Stop Week of Click drop-down box to The week of month that the daylight Month select rule stops taking effect ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Key in “Hour” with the number key, “*”and “#” Time info Minute Key in “Minute” with the number key, “*”and “#” Second Key in “Second” with the number key, “*”and “#” Set the Time & Date manually via web:Phone→Preference. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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3. Time&Date Format →Settings→Basic Settings→Time & Date Format. Path to set on the phone:Press please move the navigation key to check more: Item Optional Example of result Clock 12 hour 03:30pm ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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10 different ringtones have been provided by A2X(W) for selection. Path to set on the phone: →Settings→Basic Settings→Ringtones。 Press the key For the selected ringtone,there is a dot inside the circle. Press the key to select other ringtone for playing. Set ringtones via Web:Account→Basic→Ring tones. 5. Headset Memory Mode ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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This function can be configured on the phone only: Press Headset Memory Mode. 6. Phone Unlock PIN Phone Unlock PIN: Unlock the phone locked conditions. please move the navigation key to check more and press the cancel key to back the function, ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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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. 1. Account →Settings→Advanced Settings→Input path to set the account info on phone:Press password→Accounts. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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The status of Outbound Server, “off” by default Status Outbound Proxy IP address of Outbound Agency The status of Stun Server, “off” by default Stun Status Stun Server IP address of Stun Server Configure account via web:Account→Basic ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual 2. Set Password The password for Advanced Settings also is used for Web access as the role “admin”. Path to →Settings→Advanced Settings→Input password→Set set password on phone: Press Password. Item Description ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Input the new password again, to confirm the new password. Set password via Web:Phone→Security. 3. Network →Settings→Advanced Settings→ Path to set network parameters on phone: Press Input the password→Network. please move the navigation key to check more: ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Only bridge mode support by PC port. VLAN The feature of VLAN must be supported by network switch, and by default this feature it’s not activated. Set the VLAN via Web:Network →Advanced→VLAN. Webserver Type ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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LLDP A2X(W) supports LLDP, and enable in default. If the phone is connected to a switch and using LLDP, the switch would notifies IP phone of VLAN information. Set the LLDP via Web:Network →Advanced→LLDP ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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IEEE 802.1 group of networking protocols. It offers an authentication mechanism for devices to connect to a LAN or WLAN. It supports protocol EAP-MD5, EAP-TLS, EAP-PEAP/MSCHAPv2, EAP-TTLS/EAP-MSCHAPv2,EAP- PEAP/GTC and EAP-TTLS/EAP-GTC for 802.1X authentication. Set the 802.1X via the webpage: Network →Advanced→802.1X 4. Keypad Lock ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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3. Phone Unlock PIN(0~15 Digit):set the phone unlock PIN. Range: 0~15 digit. 4. Phone Lock Time Out(0~3600s): set the phone lock time out. Range: 0~3600s 5. Emergency :set emergency number. Default to 110.120.119 and 911. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual 5. Reboot After the restart, the phone will back to standby interface. Reboot via webpage:Phone→Upgrade→Reboot 6. Reset to factory ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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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. Reset Option: Full Reset, Config Reset and UserData Reset. Reset to factory via Web:Phone→Upgrade→Reset to Factory. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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” means the lightest. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
A2X(W)/A20LTE IP Phone User Manual 4. Advanced Feature 4.1. Codecs A2X(W) support multiple codecs, users can select the codes via Web. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Note:Multiple different items of G726,iLBC should not activated simultaneously. 4.2. Capture and Upgrading Capture package: It would record the phone current info. Via webpage:phone→Debug→PCAP Feature ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Click the button “Choose file” to select the target local file and click “Upgrade” to process upgrading, this will cost a couple of minutes. And after reboot, the phone will be upgraded successfully. 4.3. Auto Provision User is able to configure the phone to upgrade automatically. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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Password The password to access the file server Common AES Key Configures the plaintext AES key for decrypting the Common CFG file MAC-oriented AES Configures the plaintext AES key for decrypting the MAC-oriented CFG file ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Don’t check the “Export User Data” and click “Export” directly, it will export the template of the configuration file; Check the “Export User Data” and then click “Export”, it will export a configuration file that carries with user’s configured data. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
“tar.gz” in Linux 4.5. Export System log When the phone doesn’t working well, System log is the best assistant tools for troubleshooting, all operation details has been recorded. This operation is available via Web only. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
“ 8([1-3])(.)” to replace “7$2”, the phone will call “7837” after dialing out “82837” Note:Any operations (add, modify or delete) on the current dial plan will be not effective until click “Save”. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
“Edit” to make it to be effect Delete Delete one added or saved replace dial plan or multiple ones, click the frame after the specified replace dial plan before delete it, and then click button “Delete” ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Note:Dial-now rule the input fields “Number” and “Dial-now” is different with shows the details correctly. After hotline. The Dial-now modifying, click button “Edit” to make it to rule will take effect be effect when input ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
The maximum length of the number account, the phone will dial input to active the area code dial plan 0086577 before it. Account The account to apply this dial plan, Note:If the length of the blank or 1 is valid. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
The account to apply this dial plan, It means the phone will blank or 1 enter the “Call End” UI Confirm Apply this dial plan when dial “10086” Cancel Recover all input fields to the state that saved at latest time ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
A20W and A20WAC connect to network via Wi-Fi acquiescently, click “Search Wi-Fi” button to search the available Wi-Fi. After all available Wi-Fi hotspots are list out, click the round behind the available Wi-Fi which you want to connect. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
5.3. Enterprise WiFi It supports WPA/WPA2 Enterprise wifi , it is based on Radius sever and configuration the Enterprise wifi in the router. Configure the Enterprise wifi: 1. Upload the Certificates Via the webpage: “Phone”→“Trusted Certificates” ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Under LTE network, you can set the phone accounts through auto provision or phone LCD. Auto provision configuration account: LCD menu configuration account. Press Menu→ Settings→ Advanced settings (default password: admin)→ Accounts, input the account info. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Click the button “OK” 3. Factory reset during starting: a) Hold the key “*” and “#” while power on for 5 seconds b) The phone will be reboot and resumed to factory default setting ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Using press“*”to choose “.” that in the IP address. For example, to dial “192.168.1.100”, just need input “192”,“*”,“168”, “*”,“1”, “*”,”100”. 3. Disable the IP call feature Via webpage modify the make IP call feature: Phone→Feature →Accept SIP Trust Server Only, press “Enable”. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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A2X(W)/A20LTE IP Phone User Manual ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
1. Try to make a IP peer to peer call, to make sure the mic and speaker are working fine 2. Enable STUN via Web 3. Set the address of STUN Server, for example stun.sipgate.com 4. Present this operation above and the phone will be reboot 5. Try to make a normal call again ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
VLAN:Virtual Local Area Network QoS:Quality of Service Syslog:System log UDP:User Data Protocol TCP:Transmission Control Protocol TLS:Transport Layer Security Protocol BLF:Busy Lamp Field DNS:Domain Name System SRTP:Secure Real-time Transport Protocol NTP:Network Time Protocol VAD:Voice Activity Detection CNG:Comfort Noise Generator ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. ATCOM TECHNOLOGY CO., LIMITE www.atcom.cn...
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