Telephony: Move CAF strings

Change-Id: Ie110350b3909c0605a36e145960d293179c4c4f2
Telephony: Remove unused strings

Change-Id: I2c3119efddc30d85720613dbefe6118e6d4a7f48
Telephony: Make strings consistent

Change-Id: I7c464f8139ede57fb6245854444d524385ab54cf