Handle the case of media stream removal with port set to 0 in media relay.
Handle the case of media stream removal with port set to 0 in media relay.

biddyweb/flexisip,gale320/flexisip,biddyweb/flexisip,BelledonneCommunications/flexisip,biddyweb/flexisip,gale320/flexisip,biddyweb/flexisip,BelledonneCommunications/flexisip,gale320/flexisip,BelledonneCommunications/flexisip,gale320/flexisip,BelledonneCommunications/flexisip