Currently supported PBXs (GSM alarms):
Generic PBX. You can define you own PBX (GSM alarm).
Jablotron JA-60 Profi, Jablotron Oasis, Jablotron GD-04 David. Supported functions: check status, check last event, lock and unlock the object, turn the connected device on or off. Divided objects are supported. Support for calling PBX.
Evolve Sonix. Supported functions: full/partial activation/deactivation, activation/deactivation of up to ten zones.
If you want to support your PBX (GSm alarm) send the manual to the author. It will be added there.