[asterisk-users] Routing premature media to the calling channel
ldardini at gmail.com
Sun Mar 25 04:35:45 CDT 2012
The asterisk box has only one interface. I am capturing all the traffic on
the box and the only audio traffic is from the provider to the asterisk box.
Obviously if I set progressinband=yes, then I get the ringing tone from the
asterisk box, but no the audio from the provider I was looking for.
2012/3/25 Alex Balashov <abalashov at evaristesys.com>
> Are you absolutely sure that nothing is coming out, even on a different
> interface than the one on which you are capturing? Are you capture on the
> Asterisk server and not the receiving host?
> Secondly, are you absolutely positive that something is supposed to be
> coming out? 183 does not logically imply or mandate backward early media,
> though 183+SDP is generally used as a convention to indicate that it is
> about to be sent.
> Alex Balashov - Principal
> Evariste Systems LLC
> 235 E Ponce de Leon Ave
> Suite 106
> Atlanta, GA 30030
> Tel: +1-678-954-0671
> Web: http://www.evaristesys.com/, http://www.alexbalashov.com
> Leandro Dardini <ldardini at gmail.com> wrote:
> All NAT and firewall problems are already been excluded. All peers are on
> public IP address and no firewall is active between them. The missing
> routing of the audio path to the peer has been checked with tcpdump ...
> nothing is coming out from the asterisk box.
> 2012/3/25 Alex Balashov <abalashov at evaristesys.com>
>> I assume you have ruled out NAT and firewall issues?
>> Between those two, 99% of the reasons why something may not be routed
>> somewhere correctly are accounted for.
>> If you don't know, your best bet is to take a packet capture or SIP
>> debug on the Asterisk server and find out where that early media is going.
>> Alex Balashov - Principal
>> Evariste Systems LLC
>> 235 E Ponce de Leon Ave
>> Suite 106
>> Atlanta, GA 30030
>> Tel: +1-678-954-0671
>> Web: http://www.evaristesys.com/, http://www.alexbalashov.com
>> Leandro Dardini <ldardini at gmail.com> wrote:
>> I have a problem with premature media and inband progress audio. I am
>> using the latest 22.214.171.124 and this is the setup:
>> soft phone --- asterisk --- SIP provider
>> The number I call is giving back some hints via inband audio I am not
>> able to ear from the soft phone. They stop on the asterisk and are not
>> routed down the path to the sip phone.
>> The SIP part is simple:
>> soft phone -> asterisk: INVITE
>> asterisk -> soft phone: TRYING
>> asterisk -> provider: INVITE
>> asterisk -> soft phone: 180 RINGING
>> provider -> asterisk: 183 SESSION PROGRESS
>> provider -> asterisk: AUDIO
>> Unfortunately the AUDIO received from the provider by the asterisk box is
>> not sent to the soft phone.
>> I think I have tried every combination of progressinband and
>> prematuremedia, without success.
>> How can I made the audio received from the provider to the asterisk be
>> transmitted to the soft phone?
>> Thank you
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