Domain Realm
phone will use the Register server address as sip
domain automatically. (Usually it is same with
registered server and proxy server IP address).
Backup Server
Address
Input the Backup Server Address, if the primary
server is unavailable, then the phone will enable the
Backup Server Address.
Backup Server Port
Specify the Backup Server Port.
Enable Registration
Start to register or not by selecting it or not.
Codecs Settings
Disable
Codecs/Enable
Codecs
Use the navigation keys to highlight the desired one
in the Enable/Disable Codecs list, and press the
desired to move to the other list.
Advanced SIP
Setting
Forward Type
Select call forward mode, the default is Off.
Off: Close down calling forward.
Busy: If the phone is busy, incoming calls will be
forwarded to the appointed phone.
No answer: If there is no answer, incoming calls will
be forwarded to the appointed phone after a specific.
Always: Incoming calls will be forwarded to the
appoint phone immediately.
The phone will prompt the incoming while doing
forward.
Forward Number
Specify the number you want to forward.
No Answer Forward
Wait Time
Specify the No Answer Forward Delay Time, if the
Forward Type is No answer, incoming calls will be
forwarded after the no answer forward wait time.
Transfer Timeout
For the phone supports the transfer of certain special
features server, set interval time between sending
“bye” and hanging up after the phone transfers a
call.
Enable Hot Line
Specify Hot Line by selecting it.
Hot Line Number
Specify Hot Line Number, the phone dial the hot
line number automatically at hands-free mode or
handset mode after warm line time.
Warm Line Wait
Time
Specify the Warm Line Time.
SIP Encryption
Enable/Disable SIP Encryption.
SIP Encryption Key
Set the key for sip encryption.
RTP Encryption
Enable/Disable RTP encryption.
RTP Encryption Key Set the key for RTP encryption.
Enable Auto Answer Enable Auto Answer by selecting it.
Auto Answer
Specify Auto Answer Time, the phone auto answers
