Hi Igor - Are you following the example from Frederico? We have
implemented his idea for our iOS and Android apps... Make sure to send
over the SIP CallID in the push notification. That way if a CANCEL does
get sent (on JOIN/RESUME) the app can react to it correctly.
https://www.kamailio.org/events/2015-KamailioWorld/Day2/20-Federico.Cabiddu…