[Asterisk-Dev] PRI receive and answer supervision

Jeremy McNamara jj at nufone.net
Sun Jun 12 09:30:05 MST 2005

Matthew Simpson wrote:

> Is it even possible to listen in on a PRI call before Answer 
> supervision is sent for the fax machine "beep" ?  The switch I have 
> asterisk hooked up to via pri is our Lucent switch so maybe the Lucent 
> won't send anything until it gets answer-sup ?

If you are getting early-media it is possible to detect that 'beep' 
without any Answer Supervision.

Jeremy McNamara

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