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New Features in Release 2.3
RN-001029-02, Release 2.3, Rev 00 59
SIP IP Phone Models 9143i, 9480i, 9480i CT and 5i Series Phones Release Note 2.3
SIP BLA Expires Timer
Release 2.3 now includes a SIP BLA subscription period parameter that allows an Administrator
to set the amount of time, in seconds, of the BLA subscription period.
If this parameter is set to zero (0), the phone uses the value specified for the BLA expiration in the
subscribe message received from the server. If no value is specified in the Subscribe message
received from the server, the phone uses the default value of 300 seconds.
You can configure this parameter using the configuration files or the Aastra Web UI.
Configuring SIP BLA Expirey Timer Using the Configuration Files
Use the following parameters to configure the BLA expirey timer using the configuration files.
Parameter–
sip bla subscription
period
BLA Subscription Period
(in Web UI)
Configuration Files aastra.cfg, <mac>.cfg
Aastra Web UI Advanced Settings->Global SIP->
Advanced SIP Settings
Description Specifies the amount of time, in seconds, that the phone waits to receive a
BLA subscribe message from the server. If you specify zero (0), the phone
uses the value specified for the BLA expiration in the subscribe message
received from the server. If no value is specified, the phone uses the default
value of 300 seconds.
Format Integer
Default Value 300
Range 0 to 3700
Note: When set to zero (0), the phone uses BLA expiry value specified in
subscribe message.
Example sip bla subscription period: 0