Unprocessed REJECT frame for originating call
By this reason the originating call was not hanged.
Logger messages:
received [FullFrame@6e80ce85[IAX:REJECT]] unprocessed in session state [INITIALIZED] - dropped received [FullFrame@2d599f32[IAX:REJECT]] late with OSeqno [0] and timestamp [87] when expected OSe qno [1] and timestamp greater [87] - send ACK