Grandstream Networks GXP2120 User Manual User Manual page 48

PUBLISH for Presence
Special Feature
Account x -> SIP Settings -> Session Timer
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 Incoming
Messages
Check SIP User ID for
incoming INVITE
FIRMWARE VERSION 1.0.5.24
up a call with BLF key. The default setting is **.
Enables presence feature on the phone. The default setting is "No".
Different soft switch vendors have special requirements. Therefore users may
need select special features to meet these requirements. Users can choose
from Standard, Nortel MCS, Broadsoft, CBCOM, RNK, Sylantro or Huawei IMS
depending on the server type. The default setting is "Standard".
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.
The minimum session expiration (in seconds). The default value is 90
seconds.
If set to "Yes" and the remote party supports session timers, the phone will use
a session timer when it makes outbound calls.
If set to "Yes" and the remote party supports session timers, the phone will use
a session timer when it receives inbound calls.
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".
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.
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 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.
Defines whether the domain certificates will be checked or not when TLS/TCP
is used for SIP Transport. The default setting is "No".
Defines 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".
GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 48 of 77