On 05/02/2012 04:41 PM, JIMMY GATHAGE wrote:
Hey guys,
I am using a SIP trunk to make outgoing calls. Outgoing calls are
going through okay. I am using the AMI to Originate a call. The
channel is not returning any event when the phone on the PSTN is
ringing. How can i detect the phone ringing on the SIP channel?
If your SIP provider is not sending you '180 Ringing' responses, then
your only choice would be look into a 'call progress detection' package
that can listen to the incoming audio and analyze it for ring-back.
Unfortunately these are not terribly reliable, because ring-back tones
vary greatly, and they might not even be traditional ring-back (many
mobile providers offer 'music ringback' to their subscribers).
--
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
Jabber: [email protected] | SIP: [email protected] | Skype: kpfleming
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at www.digium.com & www.asterisk.org
--
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