Merge commit '8028bd5b696fd94d33c905c4279d6505e985d70b' * commit '8028bd5b696fd94d33c905c4279d6505e985d70b': Complete event registration in CallManager.
Merge commit '8028bd5b696fd94d33c905c4279d6505e985d70b' * commit '8028bd5b696fd94d33c905c4279d6505e985d70b': Complete event registration in CallManager.