send unbind and wait at most 2s for an unbind_resp before disconnecting
send unbind and wait at most 2s for an unbind_resp before disconnecting

vishwaprakashmishra/xmatrix,TouK/vumi,TouK/vumi,TouK/vumi,harrissoerja/vumi,vishwaprakashmishra/xmatrix,harrissoerja/vumi,vishwaprakashmishra/xmatrix,harrissoerja/vumi