Fixes #180: Audio call SDP has some issues in parsing
Fixes #180: Audio call SDP has some issues in parsing

Mobicents/restcomm-ios-sdk,ognjenns/restcomm-ios-sdk,RestComm/restcomm-ios-sdk,RestComm/restcomm-ios-sdk,TribeMedia/restcomm-ios-sdk,ognjenns/restcomm-ios-sdk,Mobicents/restcomm-ios-sdk,TribeMedia/restcomm-ios-sdk,RestComm/restcomm-ios-sdk,ognjenns/restcomm-ios-sdk,ognjenns/restcomm-ios-sdk,ognjenns/restcomm-ios-sdk,Mobicents/restcomm-ios-sdk,RestComm/restcomm-ios-sdk,TribeMedia/restcomm-ios-sdk,RestComm/restcomm-ios-sdk,Mobicents/restcomm-ios-sdk,TribeMedia/restcomm-ios-sdk