This patch adds information about the encryption setting to 'sip show
peers' and removes an out-of-date comment from res_srtp.c and instead
directs users to the proper documentation.
(closes issue #18140)
Reported by: chodorenko
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@292309 65c4cc65-6c06-0410-ace0-fbb531ad65f3