[Asterisk-Users] TDM02B on 2 a/b ports of a PBX not working.. . help

[Brian Leyton]

I see that no one else has tried to answer your question, so I'll give it a
stab.
 
When you connect an FXO port to a PBX, the PBX has to have a way to signal
Asterisk that the line has been hung up.  The normal (telco) way to do this
is CPC (Calling Party Control) signalling, and it is generally either a
reversal or removal of battery for a brief period of time.  Asterisk calls
this "Kewlstart".  You need to see if your PBX can be programmed to do this
kind of signalling.  
 
I have the same problem, except that my PBX will generate a DTMF "D" tone at
disconnect.  I'm looking for a way to get Asterisk to recognize that in the
same way as CPC, and disconnect the call.  No luck so far though...
 
Check out this page for more details:
 
http://www.voip-info.org/tiki-index.php?page=Asterisk%20Disconnect%20Supervi
sion
<http://www.voip-info.org/tiki-index.php?page=Asterisk%20Disconnect%20Superv
ision> 
 
Brian Leyton
IT Manager
Commercial Petroleum Equipment


  _____  

From: Dimitris Kouimintzis [mailto:koem2000 at gmail.com] 
Sent: Monday, April 11, 2005 5:05 AM
To: Asterisk-Users at lists.digium.com
Subject: [Asterisk-Users] TDM02B on 2 a/b ports of a PBX not working... help


I own elmeg C46e PBX (ISDN PBX with  6 a/b ports).  I connected two of these
ports to a TDM02B installed on a Slackware 9.1/ Asterisk 1.0.2 and I bought
a Cisco ATA186 to connect two analog telephone sets two floors down. Each
a/b port is assigned only to one ATA port. The problem is that after the
first call, the Digium card fails to disconnect the lines and I keep getting
the busy signal. What is more strange is that when I connect the same
equipment to two POTS lines of the telco,  all run smoothy. Any ideas
anyone? How should I  setup my line (eg as fxs_ks or something else?)


Dimitris Kouimintzis


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