Grandstream Networks GXV3350 Administration Guide

GXV3350 Administration Guide
Version 1.0.3.27
P a g e | 44
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 setting is 180. The valid range is from 90 to 64800.
Min-SE (s)
Determines the minimum session expiration timer (in seconds) if the phone
act as a timer refresher.
The default setting is 90. The valid range is from 90 to 64800.
UAC Specify Refresher
Sets which party will refresh the active session if the phone makes
outbound calls. If it is set to “UAC” and the remote party does not support
Refresher feature, the phone system will refresh the active session.
If it is set to “UAS”, the remote party will refresh it. If it is set to “Omit”, the
header will be omitted so that it can be selected by the negotiation
mechanism. The default setting is "Omit".
UAS Specify Refresher
Specifies which party will refresh the active session if the phone receives
inbound calls. If it is set to “UAC”, the remote party will refresh the active
session. If it is set to “UAS” and the remote party does not support refresh
feature, the phone system will refresh it.
The default setting is "UAC".
Caller Request Timer
Sets the caller party to act as refresher by force. If set to "Yes" and both
party support session timers, the phone will enable the session timer
feature when it makes outbound calls. The SIP INVITE will include the
content “refresher=uac”. The default setting is "No".
Callee Request Timer
Sets the callee party to act as refresher by force. If set to "Yes" and the
both parties support session timers, the phone will enable the session timer
feature when it receives inbound calls. The SIP 200 OK will include the
content “refresher=uas”. The default setting is "No".
Force Timer
Configures the session timer feature on the phone system by force.
If it is set to "Yes", the phone will use the session timer even if the remote
party does not support this feature.
If 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".
The default setting is "No".
Force INVITE
Sets the SIP message type for refresh the session. If it is set to “Yes”, the
Session Timer will be refreshed by using the SIP INVITE message.
Otherwise, the phone system will use the SIP UPDATE or SIP OPTIONS
message. Default is "No".

Grandstream Networks GXV3350 Specifications

General

Brand	Grandstream Networks
Model	GXV3350
Category	Telephone
Language	English