Grandstream Networks GXV3240 Administration Manual page 48

UAS Specify Refresher
Force INVITE
Caller Request Timer
Callee Request Timer
Force Timer
Enable 100rel
Caller ID Display
Firmware Version 1.0.3.6
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".
It is use to set 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".
It is used to set 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 OPTION message. The default setting is "No".
This is used to set the caller party to act as refresher by force. If set to
"Yes" and the 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".
This is used to set 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".
It is used to active 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 it 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".
It is used to active the PRACK (Provisional Acknowledgment) method.
It is very important in order to support PSTN internetworking. PRACK
improves the network reliability by adding an acknowledgement
system to the provisional Responses (1xx). It is set to "Yes", the
phone system will response to the 1xx response from the remote
party. The default setting is "No".
It is used to set which header tag will be used from the SIP INVITE
message for the Caller ID display. If it is set to Auto, the phone system
will use the one of the available headers in the priority hierarchy of
GXV3240 Administration Guide Page 46 of 105