I noted this on the dev list but got no response, so I just did it myself.
authorRussell Bryant <russell@russellbryant.com>
Tue, 8 May 2007 16:41:35 +0000 (16:41 +0000)
committerRussell Bryant <russell@russellbryant.com>
Tue, 8 May 2007 16:41:35 +0000 (16:41 +0000)
commit314c874d7df740181cb6e140b293948028760f81
treed93cd3a4f30307efaec9d01dda56befb27eb2dd4
parent42a62a3c21ffe63404ef43bf39dfbe1fd103e45f
I noted this on the dev list but got no response, so I just did it myself.
Lock the call features when being used in chan_sip.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@63447 65c4cc65-6c06-0410-ace0-fbb531ad65f3
channels/chan_sip.c
include/asterisk/features.h
res/res_features.c