[asterisk-users] dtmf Caller-id detection before first ring

[Tzafrir Cohen]

On Sat, May 28, 2011 at 02:34:36PM +0300, Ashik Ali wrote:
> Hi dears,
> 
> I am from saudi arabia and using asterisk 1.6.2.13,Dahdi-2.3.0 and
> Digium, Inc. Wildcard AEX800 8-port analog card (PCI-Express) .
> 
> I am facing problem with detecting caller id before first ring.I
> recorded the dahdi channel using dahdi_monitor command. Where I am
> able to see and hear caller-id dtmf tones.

Is there a polarity reversal before the caller ID string is sent?

-- 
               Tzafrir Cohen
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