2 define and change dsp conference ids
4 make asterisk call implementation
6 new interface.conf (add remove ports by admin)
12 call to multiple endpoints (extensions)
14 trace with layers and filters
15 - layer 1 and 2 state changes and messages
16 - layer 3 isdn trace, process ids
17 - messages between port, endpoint and call
18 - port hunt and channel selection
20 - application process (action)
21 - bchannel control (tones, dsp, filter, activation/deactivation)
23 avoid disconnect-collision (release if disconnect from both sides)
25 display message during nothing/play
35 durchstellen mit disconnect
36 durchstellen mit keypad
37 ruf bei CFP gibt besetzt, wenn teilnehmer intern besetzt ist.
43 facility: diversion, 3pty, ...