Ensure bridges actually exist when trying to determine the bridged peer.



git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/12@420385 f38db490-d61c-443f-a65b-d21fe96a405b
Revert previous patch since it had some unreviewed content in it.



git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/12@420386 f38db490-d61c-443f-a65b-d21fe96a405b
Ensure bridges exist when trying to determine bridged parties when publishing transfer information.



git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/12@420387 f38db490-d61c-443f-a65b-d21fe96a405b