User's Manual

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 26: 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;
2
Features
188 SIP Software for Avaya 1100 Series IP Deskphones-Administration November 2012
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