Since chan_sip is callback devicestate driven do not pass in actual states, pass in unknown so we get asked. Additionally do not pass in an actual device state value in ast_setstate since the channel may be callback driven.
(closes issue #13525)
Reported by: pj


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@163579 65c4cc65-6c06-0410-ace0-fbb531ad65f3