[Asterisk-Users] TDM does not disconnect

[Fabio]

Hi Vinicius,

on this link you have an explanation about your problem.
http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a00800ae2d1.shtml

Basically, you need to know what method your pbx is using for signaling the end of the call, and then, you must to setup the zaptel driver and zapata channel according to that.

chers

Fabay

-----Mensaje original-----
De: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com]En nombre de Vinícius
Fontes - CANALL
Enviado el: Miércoles, 17 de Mayo de 2006 08:55 a.m.
Para: asterisk-users at lists.digium.com
Asunto: [Asterisk-Users] TDM does not disconnect


Hello all.

This is my very first message to the list. I have a TDM400P card, It  
has 2 FXO channels which are connected to extensions of my PBX  
(Ericsson BP250), so I can dial from any SIP softphone directly to  
physical (analog and digital) extensions on my company.

My PBX is configured so when I dial 8 on any extension, it will  
redirect to the first free FXO channel on my TDM400P card. Then I use  
the Asterisk's DISA application to get a dial tone, like this:


exten => s,1,disa(no-password,tdm-disa)

[tdm-disa]
exten => _XXX.,1,ChanIsAvail(Zap/3&Zap/4) ; Checks for a free channel to dial
exten => _XXX.,2,Dial(${AVAILORIGCHAN}/${EXTEN}) ; Dials the number on  
the first channel available


But if the person I'm calling does not answer the phone and I hangup  
(fisically) the extension, the Zap channels doesn't hangup! They stay  
connected, and the line I called keeps on ringing.


So, this is the entire process:

1. I pickup a physical extension, and dial 8
2. The PBX redirects the call to the first FXO channel available
3. Asterisk answers the call and gives a dial tone using the DISA application
4. I dial the number I want
5. Asterisk dials using an available Zap channel
6. If the person I called does not answer the phone, I hangup my  
extension but the FXO channels doesn't hangup!


This is the logs I got running asterisk -vvvvvvvvvvvvvvv on the  
situation above. My comments on it are rounded with []:

[I pickup my physical extension and dial 8]

     -- Starting simple switch on 'Zap/3-1'
May 17 08:48:52 NOTICE[16335]: chan_zap.c:6184 ss_thread: Got event 18  
(Ring Begin)...
May 17 08:48:52 NOTICE[16335]: chan_zap.c:6184 ss_thread: Got event 2  
(Ring/Answered)...
May 17 08:48:56 NOTICE[16335]: chan_zap.c:6184 ss_thread: Got event 18  
(Ring Begin)...
     -- Executing DISA("Zap/3-1", "no-password|tdm-disa") in new stack

[Asterisk gives me dial tone and I dial 081168345 -> 0 + my cell phone number]

     -- Executing ChanIsAvail("Zap/3-1", "Zap/3&Zap/4") in new stack
     -- Hungup 'Zap/4-1'
     -- Executing NoOp("Zap/3-1", "Canal: Zap/4") in new stack
     -- Executing Dial("Zap/3-1", "Zap/4/081168345") in new stack
     -- Called 4/081168345

[My cell phone starts to ring, I hangup my extension. Cell phone keeps  
on ringing.]

[After a while (about one minute) the following shows up]

     -- Zap/4-1 is busy
     -- Hungup 'Zap/4-1'
   == Everyone is busy/congested at this time (1:1/0/0)
     -- Hungup 'Zap/3-1'







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