Merge commit 'e7b92260e228039295874bea024b629cb5a4d89a' * commit 'e7b92260e228039295874bea024b629cb5a4d89a': Revert "Revert "Move SIP telephony related codes to framework.""
Merge commit 'e7b92260e228039295874bea024b629cb5a4d89a' * commit 'e7b92260e228039295874bea024b629cb5a4d89a': Revert "Revert "Move SIP telephony related codes to framework.""