Grandstream Networks GXP2130 Administration Manual page 38

Session Expiration
Min-SE
Caller Request Timer
Callee Request Timer
Force Timer
UAC Specify Refresher
UAS Specify Refresher
Force INVITE
Account x -> SIP Settings -> Security Settings
Check Domain
Certificates
Validate Certification
Chain
Validate Incoming
Messages
Check SIP User ID for
incoming INVITE
GXP2130/GXP2140/GXP2160
FIRMWARE VERSION 1.0.4.16
The SIP Session Timer extension (in seconds) 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
setting is 180. The valid range is from 90 to 64800.
The minimum session expiration (in seconds). The default value is 90
seconds. The valid range is from 90 to 64800.
If set to "Yes" and the remote party supports session timers, the phone will
use a session timer when it makes outbound calls. The default setting is
"No".
If set to "Yes" and the remote party supports session timers, the phone will
use a session timer when it receives inbound calls. The default setting is
"No".
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". The default setting is "No".
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. The default setting is "Omit".
As a Callee, select UAC to use caller or proxy server as the refresher; or
select UAS to use the phone as the refresher. The default setting is "UAC".
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. The default setting is "No".
Choose whether the domain certificates will be checked or not when
TLS/TCP is used for SIP Transport. The default setting is "No".
Validate certification chain when TCP/TLS is configured. The default setting
is "No".
Choose whether the incoming messages will be validated or not. The default
setting is "No".
If set to "Yes", SIP User ID will be checked in the Request URI of the
incoming INVITE. If it doesn't match the phone's SIP User ID, the call will be
rejected. The default setting is "No".
GXP2130/GXP2140/GXP2160
ADMINISTRATION GUIDE
Page 36 of 81