For IP Office Release 10 and higher, it is possible to use TLS for the connection of 9600 telephones. When enabled, TLS is used for the TCP RAS and call signalling between the telephone and the IP Office system.
Supported with the 9608, 9611, 9621 and 9641 models.
Requires the phone to be running 6.6029 firmware or higher.
Requires the telephone to use a non-default CRAFT password.
The use of TLS by the system can be set as either optional or enforced.