Hi Alex,
As I said I was doubting about this inference, but as calls are working
with other providers and I read the post I linked, I don't really know
in what side the solution is.
The scenario is as follows:
Softphone A - providerProxy - myProxy - Softphone B
Softphone A sends the invite to Softphone B through providerProxy and
myProxy
Softphone B sends the 200OK with CONTACT: "user@softphone_B_contact_URI"
to myProxy
myProxy sends the 200OK with CONTACT: "user@softphone_B_contact_URI" to
providerProxy
providerProxy sends the 200OK with CONTACT: "user@myproxy_IP_address" to
Softphone A
Softphone A sends ACK "sip:user@myproxy_IP_address" and when it arrives
to myproxy it is never sent to Softphone B and there is a timeout 30
seconds later.
Is there anything I can do to solve this?
Thank you,
Ricardo
-----Mensaje original-----
De: sr-users-bounces(a)lists.sip-router.org
[mailto:sr-users-bounces@lists.sip-router.org] En nombre de Alex
Balashov
Enviado el: martes, 15 de marzo de 2011 17:25
Para: sr-users(a)lists.sip-router.org
Asunto: Re: [SR-Users] ACK not sent and rr-enforced
On 03/15/2011 08:28 AM, Dominguez Jover, Ricardo wrote:
Should I infer
IPTEL.org is not implementing SIP RFC
3261 in the
right way? It seems odd to me...
No, Ricardo, that is not the correct inference. First, if the ACK is an
end-to-end ACK (as for a 200 OK), it is generated by the sending
endpoint, and the SER proxy is not responsible for constructing it.
Secondly, there are various reasons why an ACK may have a request line
not equal to the Contact URI established as the dialog target, having to
do with backward compatibility with RFC 2543.
--
Alex Balashov - Principal
Evariste Systems LLC
260 Peachtree Street NW
Suite 2200
Atlanta, GA 30303
Tel: +1-678-954-0670
Fax: +1-404-961-1892
Web:
http://www.evaristesys.com/
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