[Asterisk-Dev] Asterisk PSTN gateway billing issue

[Nir Simionovich]

Hi Guys,

  I've encountered such an issue in the past, in a case where a carrier was
passing
SIP calls onto a GSM gateway that was set to produce false-progress tones,
by simply
Answering the call that was generated to the GSM bank, then dialing and
mimicing the
Tones generated by a PSTN line. 

  This is fairly common in situations where the GSM bank is either
misconfigured, or
Simply is configured to provide these tones.

Nir S 

-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Jeremy McNamara
Sent: Tuesday, May 31, 2005 4:09 PM
To: Asterisk Developers Mailing List
Subject: Re: [Asterisk-Dev] Asterisk PSTN gateway billing issue

Noel Sharpe wrote:

> Unless I am missing something in the configuration, it looks to me 
> that this piece of functionality is missing from *.  If it truly is 
> missing, I'd like to have a go at implementing it, and I'd appreciate 
> some feedback as to how this should work. BTW, this seems to work 
> correctly for another provider who is using a Cisco gateway.



Smells like you are using an Analog Zap interface, which always will report
Answered because there is no true call progress.


Jeremy McNamara
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