[Kamailio-Users] function to send ACK message

[Luciano Afranllie]

On Wed, Jan 28, 2009 at 1:30 PM, Alex R. S. M <alex_rsm at hotmail.com> wrote:
> Hi,
>
> I need kamailio proxy to reply with an ACK to 200 OK, i.e. the proxy stays
> in the call:
>
> UAC  sends INVITE to kamailio, kamailio forward it to UAS
> UAS  sends 180 to kamailio, kamailio forward it to UAC
> UAS  sends 200 to kamailio, kamailio forward it to UAC AND sends ACK to UAS
>
>
> I was wondering what function I can use so kamailio can generate an ACK
> message to response to 200 OK.
> Apparently both t_reply () and sl_send_reply() functions create responses
> and not an ACK message.

I don't care why you want to do that, but in that scenario you will
also have to handle the ACK sent by the UAC in response to 200 OK.

Just in case, PRACK does not solve your problem?

ftp://ftp.rfc-editor.org/in-notes/rfc3262.txt

Regards
Luciano