PLANET ICF-1700 - Manual (Page 103)

Proxy Username Input your Proxy SIP server account.
Proxy Password Input your Proxy SIP server password.
Domain Realm Set the sip domain if needed, otherwise this VoIP
phone will use the Register server address as sip
domain automatically. (Usually it is same with
registered server and proxy server IP address).
Enable Register Start to register or not by selecting it or not.
Item Description
Backup Server
Address Phone backup server address, if the primary server is
not successfully registered then enabled the backup
server.
Register Expire Time Set expire time of SIP server register, default is 60
seconds. If the register time of the server requested is
longer or shorter than the expire time, the phone will
change automatically the time into the time
recommended by the server, and register again.
NAT Keep Alive
Interval Set examining interval of the server, default is 60
seconds
User Agent Set the user agent if you have, the default is VoIP
Phone 1.0.
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