Fix a bug where the 'T' option to Meetme did not work.

(closes issue #15031)
Reported by: Stochastic
(closes issue #13801)
Reported by: justdave


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@194434 65c4cc65-6c06-0410-ace0-fbb531ad65f3