Document that multiple endpoints using the same connection is not supported.

(closes issue ASTERISK-20104)
Reported by: Malcolm Davenport


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369837 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/motif.conf.sample

@@ -56,6 +56,8 @@
 ; that you use these fields to do so.
 ;
 ; Outgoing caller id can *not* be set.
+;
+; IMPORTANT: Multiple endpoints using the same connection is *NOT* supported. Doing so may result in broken calls.
 
 ; Default template for endpoints, to be included in their definition
 [default](!)