in the case immediate=yes, we directly jump into the dialplan, where people can use...

in the case immediate=yes, we directly jump into the dialplan, where people can use PlayTones to indicate a Dialtone, so we don't need to to that by ourself. also we should not do a dialtone_indicate for incoming calls on a TE port in overlapdialmode.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@64513 65c4cc65-6c06-0410-ace0-fbb531ad65f3