Grandstream Networks GXP1450 Telephone User Manual


 
FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 43 of 69
picks up a call with BLF key. The default setting is **.
(Not applicable to
GXP1450)
Delayed Call Forward Wait
Time
Defines the timeout (in seconds) before the call is forwarded on no
answer. The default value is 20 seconds.
Enable Call Features
When enabled, Do No Disturb, Call Forward and other call features will
be supported locally provided ITSP support those features. The default
setting is "Yes". If set to "No", ForwardAll softkey will be hidden for
Account 1.
Call Log
Configures Call Log setting on the phone. You can log all calls, only log
incoming/outgoing calls or disable call log. The default setting is "Log All
Calls".
Session Expiration
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
The minimum session expiration (in seconds). The default value is 90
seconds.
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.
Force Timer
If Force Timer is set to "Yes", the phone will use the session timer even if
the remote party does not support this feature. If Force Timer is set to
"No", the phone will enable the session timer only when the remote party
supports this feature. To turn off the session timer, select "No".
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.
Enable 100rel
The use of the PRACK (Provisional Acknowledgment) method enables
reliability to SIP provisional responses (1xx series). This is very