process receiveAndTransmit user input remote caps instead of receive only

process receiveAndTransmit user input remote caps instead of receive only
send receiveAndTransmit user input our caps instead of receive only
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Merged revisions 408328 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 408330 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 408331 from http://svn.asterisk.org/svn/asterisk/branches/12

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@408332 65c4cc65-6c06-0410-ace0-fbb531ad65f3