Grandstream Wave - Manual (Page 54)

Firmware Version 1.0.1.21 Grandstream Wave User Guide Page 53 of 64
Enable
Session
Expiration If enabled, it is used to configure the relevant
parameter in "Session Expiration Settings" option
below. The default setting is "No".
Session
Expiration
Settings It is used to configure the relevant session expiration
parameters. See table 6.
SIP Port It is used to define the local SIP port used to listen
and transmit.
Transmission
Protocol It is used to configure the transmission protocol to
transmit SIP info. Users could choose TCP/UDP/
TLS. The default is "UDP".
Unregister
Before
New
Registration
If set to "Register All", the SIP contact header will use
"*" to clear all SIP user's registration information. If
set to "Register Single", the phone only needs to
clear the current SIP user's info. The default is
"Unregister Single", that means do not cancel the SIP
user's registration information.
Register
Expiration
(m) It is used to specify the frequency (in minutes) in
which the phone refreshes its registration with the
specified registrar. The minimum value is 1 minute
while the maximum is 64800 minutes (about 45
days).The default value is 60 minutes (1 hour).
Table 6: Session Expiration Settings Parameters
Session
Expiration
(s) 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 of 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.
Min-SE (s) The minimum session expiration (in seconds). The
default value is 90 seconds.
UAC Specify
Refresher As a caller, select UAC to use the phone as the
refresher; or select UAS to use the caller or proxy
server as the refresher. If set to "Omit", that means
do not specify the refresh object.
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.