add a reference to the now-published IAX2 RFC

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@249234 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index f9f7255119e90a311193f85940be1ac38af8d2db..7222c0b97f412f4efcfb13e51b190716cf2f7685 100644 (file)
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -19,6 +19,7 @@
 /*! \file
  *
  * \brief Implementation of Inter-Asterisk eXchange Version 2
+ *        as specified in RFC 5456
  *
  * \author Mark Spencer <markster@digium.com>
  *