ZP502 User Manual
29
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
has no packets sending to device in private network to keep NAT
alive, user could set this function ON. It need set the keep alive
