Add packet 0x014A (variable length call info messages) to skinny for newer
firmware. Plenty of unknown information but includes the equivalent functionality
as the fixed size callinfo packet already included.
Only send this packet if protocol reported is >= 17.
Review: https://reviewboard.asterisk.org/r/2290/
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@380755 65c4cc65-6c06-0410-ace0-fbb531ad65f3