Provisioning
The IP Deskphone uses the configuration parameters for the Session Timer Service to indicate if the
Session Timer Service is available, and to configure the duration of the session timer.
The following table describes the five configuration parameters in the device configuration file for
Session Timer Service.
Table 66: Session Timer Service configuration parameters
Parameter name Description Default value
SESSION_TIMER_ENABLE Indicates if the session timer service is
enabled or disabled. If configured as Yes,
the Session Timer Service for the IP
Deskphone is enabled, and the behavior
of the IP Deskphone complies with
RFC4028. If configured as No, the
Session Timer Service is disabled.
Yes
SESSION_TIMER_DEFAULT_SE Indicates the default session expiration in
seconds. The Session-Expires header, in
a request, informs the terminating
endpoint and proxies of the Session-
Expires interval value that the originating
endpoint requires for the session timer
duration, in unites of delta seconds.
1800
SESSION_TIMER_MIN_SE Indicates the minimum session expiration
in seconds.
1800
SET_REQ_REFRESHER Indicates what refresher value is
configured in the initial session request.
Value 0 indicates that the refresher is
omitted; value 1 indicates that the
refresher is configured to UAC; value 2
indicates that the refresher is configured
to UAS.
0
SET_RESP_REFRESHER Indicates what refresher value is
configured in the 200 OK response.
Value 0 indicates that the refresher is
omitted (only valid when
SET_REQ_REFRESHER is not equal to
0); value 1 indicates that the refresher is
configured to UAS; value 2 indicates that
the refresher is configured to UAC.
2
Session Timer Service
216 SIP Software for Avaya 1200 Series IP Deskphones-Administration March 2015
Comments? infodev@avaya.com
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