User's Manual

GXP2200 USER MANUAL Page 102 of 131
ACCOUNT/SIPSETTINGS
SIP Registration Selects whether or not the phone will send SIP Register messages to
the proxy/server. The default setting is "Yes".
Unregister On Reboot If set to "Yes", the SIP user's registration information will be cleared
when the phone reboots. The SIP Contact header will contain "*" to
notify the server to unbind the connection. The default setting is "No".
Register Expiration (m) Specifies the frequency (in minutes) in which the phone refreshes its
registration with the specified registrar. The default valuel is 60 minutes.
The maximum value is 64800 minutes (about 45 days).
Wait Time Retry Registration
(s)
The amount of time in which the phone will retry the registration process
in the event that is failed. The default value is 20 seconds.
Local SIP Port Defines the local SIP port used to listen and transmit. The default value
is 5060 for Account 1, 5062 for Account 2, 5064 for Account 3, 5066 for
Account 4, 5068 for Account 5, and 5070 for Account 6.
SUBSCRIBE for MWI When set to "Yes", a SUBSCRIBE for Message Waiting Indication will
be sent periodically. The phone supports synchronized and
non-synchronized MWI. The default setting is "No".
Session Expiration (s) The SIP Session Timer extension that enables SIP sessions to be
periodically "refreshed" via a SIP request (UPDATE, or re-INVITE). If
there is no refresh via an UPDATE or re-INVITE message, the session
will be terminated once the session interval expires. Session Expiration
is the time (in seconds) where the session is considered timed out,
provided no successful session refresh transaction occurs beforehand.
The default value is 180 seconds.
Min-SE (s) The minimum session expiration (in seconds). The default value is 90
seconds.
UAC Specify Refresher As a Caller, select UAC to use the phone as the refresher; or select UAS
to use the Callee or proxy server as the refresher.
UAS Specify Refresher As a Callee, select UAC to use caller or proxy server as the refresher; or
select UAS to use the phone as the refresher.
Force INVITE The Session Timer can be refreshed using the INVITE method or the
UPDATE method. Select "Yes" to use the INVITE method to refresh the
session timer.
Caller Request Timer If set to "Yes" and the remote party supports session timers, the phone
will use a session timer when it makes outbound calls.
Callee Request Timer If set to "Yes" and the remote party supports session timers, the phone
will use a session timer when it receives inbound calls.