FreeSWITCH-FS-7269

MODENDP-179 - Support for SLA, works with Polycom and Snom(Sylantro mode).  Thank you Matthew Kaufman.  Might still need more work.



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11562 d0543943-73ff-0310-b7d9-9358b9ac24b2