[asterisk-users] Iax and ZAP

[Joe Acquisto]

>>> On 12/11/2007 at 7:22 AM, Joe Acquisto wrote:
> I have a working system with two fxo and two fxs channels.  I recenlty got an 
> IAX2 account I would like to use also.
> 
> While I have gotten the IAX2 channel to "register", it remains non 
> functional, as the incoming calls, go nowhere and the outgoing calls attempt 
> to go out over the ZAP channel.  I can see this, via the CLI, with debugs on.
> 
> I strongly suspect this is a dial plan/config problem with my setup, but I 
> am currently at a loss.  I've found no examples (that make sense) via google.
> 
> On incoming calls, I get a "no such context/extension".  I do not have trunk 
> defined for IAX. Outgoing did not work when I did, either.
> 
> joe a.

Managed to get calls to answer (no more "no such context/extension"), but they just hangup immediately.

Below is a sanitized snippet of the debug output:
------------------------------
tel1*CLI>
    -- Accepting AUTHENTICATED call from nn.nnn.nnn.nnn
       > requested format = ulaw,
       > requested prefs = (g729|ulaw|g726|gsm),
       > actual format = ulaw,
       > host prefs = (ulaw|alaw|gsm),
       > priority = mine
    -- Executing [xxxxxxxxxx at incoming-iaxprovider:1] Answer("IAX2/iaxprovider-3", "") in new stack
    -- Executing [xxxxxxxxxx at incoming-iaxprovider:2] Dial("IAX2/iaxprovider-3", "SIP/200|20") in new stack
Tx-Frame Retry[000] -- OSeqno: 001 ISeqno: 002 Type: IAX     Subclass: ACCEPT
   Timestamp: 00070ms  SCall: 00003  DCall: 00247 [nn.nnn.nnn.nnn:4569]
   FORMAT          : 4

Tx-Frame Retry[000] -- OSeqno: 002 ISeqno: 002 Type: CONTROL Subclass: ANSWER
   Timestamp: 00073ms  SCall: 00003  DCall: 00247 [nn.nnn.nnn.nnn:4569]
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Executing [xxxxxxxxxx at incoming-iaxprovider:3] Goto("IAX2/iaxprovider-3", "aa_menu3|s|2") in new stack
    -- Goto (aa_menu3,s,2)
    -- Hungup 'IAX2/iaxprovider-3'
Tx-Frame Retry[000] -- OSeqno: 003 ISeqno: 002 Type: IAX     Subclass: HANGUP
   Timestamp: 00084ms  SCall: 00003  DCall: 00247 [nn.nnn.nnn.nnn:4569]
   CAUSE CODE      : 3
------------------------------

A snippet of the dial plan.

------------------------------

[incoming-iaxprovider]

exten => xxxxxxxxxx,1,Answer()
exten => xxxxxxxxxx,2,Dial(SIP/200,20)
exten => xxxxxxxxxx,3,goto(aa_menu3,s,2)
exten => s,n, Hangup

-------------------------


joe a.