asterisk users - Apr 2006 - E1 Disconnection Asterisk behind an old PBX

Hi all,

My scenario is this one:

LandLine------------------E1---------------|-------------|
|-------------------|

|OLDPBX|-------E1-----------|Asterisk1.2.5|-----VoIPusers
GSMGateway---------Analogue------ |-------------|
|-------------------|



What is happening:

1- SipUserAgent "A" Dials a call to a Local Extension "B" in
the OldPbx
2- "B" , the called party decides to Hangup the call
3- Asterisks detects this disconnection and hangsup the call

1- SipUserAgent "A" Dials a call to a Mobile or PSTN phone
"B"
2- "B" , the called party decides to Hangup the call
3- SipUSer Agent "A" just starts listenning the busy tone indications
and
Asterisk doesn't hangsup the call automatically.
4- The call only gets finished when the Sip User Agent "A" hangs the
call on
the SIP phone.
5- This way asterisk CDR could be reporting 30 minutes call duration , even
if i have 1 minute of speech and 29 minutes of busytone indications....

Could be the OldPBX that doesn't send the disconnect ?

Any tips?

Best regards,
Marco Mouta
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I've been pulling my hair out over this one trying to understand it.

If you have a very simple extension:

exten => 1,n,Dial(IAX2/Steve|24|r)

Everything I've seen says this should tell the IAX phone (our own 
iaxclient based one) to make a ringing sound, or asterisk should make 
the ringback indication itself if it determines that the channel can't 
do it for itself.

But you can dial this extension all day and you never hear a ringback 
indication.  Dial it from a SIP softphone and you do.  If you change the 
default country in the indications.conf, the SIP phone will change the 
way the ring sounds.  IAX, still nothing.

You can use PlayTones(ring) in the dialplan before the Dial(), and it 
seems to behave ok.  Playing the appropriate ring indication until the 
call is answered.  But it seems like the behavior is inconsistent with 
IAX vs. SIP.  Is this by design?

All the IAX soft phones I've tried are based on the same iaxclient libs, 
so it's hard to know if it's the phone or asterisk that's not
behaving
right.  Has anyone used an iax hard phone, some other IAX 
device/software, and does it exhibit the same behavior?  Or is this a 
problem with the iax code not being telling asterisk that IAX phones 
need to have their indications faked.

Any ideas about what's going on would be most gratefully appreciated.

-Steve Feinstein  (asterisk 1.2.7.1 btw)
GatherWorks, Inc.

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