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Display Name
Set the display name. This name is shown on Caller ID.
Enable Registration
Check to submit registration information.
Domain Realm
SIP Domain if different than the SIP Registrar Server.
Proxy Server Address
SIP proxy server IP address or URI（This is normally the same as
the SIP Registrar Server)
Proxy Server Port
SIP Proxy server port. Normally 5060.
Proxy User
SIP Proxy server account.
Proxy Password
SIP Proxy server password.
Backup Server Address
Backup SIP Server Address or URI (This server will be used if the
primary server is unavailable)
Backup Server Port
Backup SIP Server Port
Server Name
Name of SIP Backup server
Codecs Settings
Click on the desired codec to select it. Then use the Left/Right arrow keys to move to the
Enabled or Disabled List. Use the Up/Down arrow to change the priority of enabled codecs.
Advanced SIP Settings
Forward Type
There are 3 call forwarding modes plus Disabled.
Disabled：No call forwarding – Default mode
Busy：If the phone is busy, incoming calls will be forwarded.
No answer：If there is no answer, incoming calls will be forwarded
after a specified time.
Always：All incoming calls will be forwarded.
Forward Number
Number to which calls are to be forwarded.
No Ans. Fwd Wait Time
Used in conjunction with Call Forward No Answer. Wait time in
seconds before call is forwarded.
Transfer Timeout
Time interval between sending “bye” message and hanging up
after the phone transfers a call.
Enable Hotline
Activate Hot Line feature. Automatically call a number by going
off hook.
Hotline Number
Number to be called in Hot Line Mode.
Warm Line Wait Time
Used in Hot Line Mode. Time the phone waits after off hook
before dialing the hot line number.
SIP Encryption
Enable/Disable SIP Encryption.
SIP Encryption Key
SIP Encryption key.
RTP Encryption
Enable/Disable RTP Encryption.
RTP Encryption Key
RTP encryption key
Enable Auto Answer
Activate Auto Answer mode. If activated, phone will
automatically answer an incoming call.
Auto Answer Timeout
Used in conjunction with Auto Answer. The phone will answer
an incoming call after the Auto Answer Timeout
Enable Session Timer
If enabled, this will refresh the SIP session timer per RFC4028.
Session Timeout
Refresh interval if Session Timer is enabled.