Answer invite OK with ACK earlier

Hey again Michael,

I agree with and have committed this one too. Thanks again
for all your
contributions!

Cheers!
Emil

Koch Michael wrote:
> Hi all!
> 
> As I wrote in my earlier mail, with my setup (audio and
video) the
> OperationSetBasicTelephonySipImpl.processInviteOK
method takes a few
> seconds, which leads the callee to resend the OK UDP
response to the Invite.
> More specifically, the send stream creation in
callSession.processSdpAnswer
> takes the time. In the attached patch, I moved sending
the ACK for the
> Invite OK from the end of the method to before the call
to
> callSession.processSdpAnswer. This is possible because
all the data needed
> for the ACK is known by then. With the change, the
callee gets the ACK
> earlier and proceed with RTP initialization, saving
some time and preventing
> the re-sending of the OK response.
> 
> Regards
> Michael Koch
> 

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