yealink needs mac without dashes

git-svn-id: http://fusionpbx.googlecode.com/svn/trunk@7506 e2954ef0-caed-11de-bd98-e341d93cc3cc
my bad, it was polycom

git-svn-id: http://fusionpbx.googlecode.com/svn/trunk@7507 e2954ef0-caed-11de-bd98-e341d93cc3cc