You could NOT build an IVR on Kamailio.
Kamailio it's not a SIP-UAS, neither a B2BUA, Kamailio it's a SIP-Router with
steroids, but will not handle an IVR.
You should review the docs and try to undestand what Kamailio it's made for.
From: "Amit Pal" <amit.pal(a)coraltele.com>
To: "Kamailio" <sr-users(a)lists.kamailio.org>
Sent: Friday, December 11, 2020 4:18:59 PM
Subject: [SR-Users] Kamailio dtmf signaling
Dear Team,
I am using kamailio + rtpengine, how can I processed dtmf from cfg scripts. even thought I
can able to see dtmf over syslog.
but can not able to capture in kamailio.cfg.
how can I prepared ivr using kamalio?
Please find the attached syslog.
Regards
Amit Pal
_______________________________________________
Kamailio (SER) - Users Mailing List
sr-users(a)lists.kamailio.org
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users