Additional Information
Configuring Persistent TLS Keep-Alive
Use the following parameter to configure the persistent TLS keep-alive feature:
Parameter–
sip persistent tls keep alive
Description
Format
Default Value
Range
Example
Custom Ad Hoc Conference
Previously, the phone will wait for server response prior to completing the ad hoc and
centralized conference feature. This results in an interoperability issue with certain call
managers, such as Genband. Now the phone no longer waits for server response
before referring the call to the conference host when the "custom adhoc conference"
parameter is enabled.
Configuring Custom Ad Hoc Conference
Use the following parameters to configure the custom ad hoc conference:
Parameter–
custom adhoc conference
Description
Format
Default Value
Range
Example
9
Configuration Files
When enabled, the configured value indicates frequency (in seconds)
that phone will send the keep alive messages.
Integer
0 (disabled)
0-3600
sip persistent tls keep alive: 10
Configuration Files
Enables/disables the phone to interoperate with Genband Call
Manager for ad hoc conference.
Boolean
0
0-1
0 (disable)
1 (enable)
custom adhoc conference: 1
aastra.cfg, <mac>.cfg
aastra.cfg, <mac>.cfg
RN-001037-02 REV03 – 06.2011