did you invoke rtpproxy function to update ip address in WITHINDLG , because re-invite has to-tag that means in dialog. you should call rtp function .

From: sr-users <sr-users-bounces@lists.kamailio.org> on behalf of Alvaro Araos <alvaro@voxcore.cl>
Sent: Friday, January 25, 2019 12:08 AM
To: Kamailio (SER) - Users Mailing List
Subject: [SR-Users] Kamailio Ignore Re-INVITE

Hi,

When receive a Re-INVITE with new Media IP and PORT, kamailio keeps sending RTP to the old IP PORT. Seems kamailio not update info to the rtpproxy.

Saludos,

Alvaro Araos Méndez
Director de Tecnología en FonoIP

+56 2 2947 9000
alvaro@fonoip.com | www.fonoip.com
Moisés Chacón 46, El Monte, RM