(closes issue #10569)

Reported by: IgorG
Patches:
      sip_conf-80933-1.patch uploaded by IgorG (license 20)
Fix up sip.conf sample configuration.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@80962 65c4cc65-6c06-0410-ace0-fbb531ad65f3