add asterisk MES#497

piotrooo merged 2 commits intomasterasterisk-java/asterisk-java:masterfrom

496-unable-to-set-property-mes-to-844-on-orgasteriskjavamanagereventrtcpreceivedevent-no-setterasterisk-java/asterisk-java:496-unable-to-set-property-mes-to-844-on-orgasteriskjavamanagereventrtcpreceivedevent-no-setterCopy head branch name to clipboard