AT&T says that it plans to withdraw certain operator services - including Bill to a Third Number, Busy Line Verify, Busy Line Interrupt, Collect Calling, and Person to Person - in its 21-state ILEC franchise service area.
AT&T will discontinue these services for its retail and resale CLEC customers on or after March 18, 2016. Access, cellular, interconnection, and ILEC customers have until June 4, 2016, to eliminate these services for their end-users.
Also going is International Directory Assistance Service.