Welltech LP-388 Mar-05-2007 - Manual (Page 61)

LAN Phone 388 User’s Manual 60
(2) SIP Advanced Configuration
Prefix String: set prefix string. If user ID contains alphabets, user
can set it as prefix string here. For example, if Account Name is
123, SIP Phone will sent out messages as Account Name @”IP
address of Proxy”, if user set prefix as abc, SIP Phone will set
out as abc123@”IP address of Proxy”. This function is for special
proxy server.
Local Prefix String: Set Local Prefix String data. When sending
register packets or make call, it will add this data on Line
number.
Expire Time: Set expire time of registration. SIP Phone will keep
re-registering to proxy server before expire timed out
Display Name: Set SIP Phone display name for caller ID
information.
Local SIP Port: Set SIP UDP port.
RTP Port: Set RTP port for sending voice data.
Session Expires: Set Session timer data.
Mini Session Expires: Set Mini Session timer data.