User manual

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Server Name Set the server name.
Server Address Input your SIP server address.
Server Port Set your SIP server port.
Account Name Input your SIP register account name.
Password Input your SIP register password.
Phone Number Input the phone number assigned by your VoIP service provider.
Phone will not register if there is no phone number configured.
Display Name Set the display name.
Proxy Server Address
Set proxy server IP address（Usually, Register SIP Server
configuration is the same as Proxy SIP Server. But if your VoIP
service provider give different configurations between Register
SIP Server and Proxy SIP Server, you need make different
settings.）
Proxy Server Port Set your Proxy SIP server port.
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.
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 set, 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 have, the default is VoIP Phone 1.0
Signal Key Set the key for signal encryption
Media Key Set the key for RTP encryption
Local port Set sip port of each line
Ring type Set ring type of each line
Hot line Number Set hot line number of each line
Conference Number Configure conference number in server conference.
Transfer Expire Time 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 subscribe Enable the option ,the phone will receive the notify from the
server.
Enable Keep
Authentication
Enable/Disable Keep Authentication System will take the last
authentication field which is passed the authentication by server
to the request packet. It will decrease the server’s repeat
authorization work, if it is enable.
NAT Keep Alive
Enable/Disable keeps NAT of SIP alive.
If some server refuse to register with too short interval time, and