[asterisk-users] ringback detection

[Jaswinder Singh]

It just might be that your carrier is not sending ring . You can use
'r' in asterisk dial command in extensions.conf to generate ring from
asterisk .

On 31/05/07, dima <dima at scancom.es> wrote:
> Hello, everyone.
> Could anyone explain me how does ringback detection works in asterisk.
> Sometimes, when making a call, my asterisk box doesn't detect a ringback
> and I just hear silence until the other party picks up the phone. I've
> checked the SIP messages and they are ok (I'm getting 183 "session in
> progress"), so I guess I should be debugging the RTP packets. From then
> on I'm stuck. Does anyone know what type of packets I should be looking
> for?
>
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