This operation has the same behavior as getAllGroupTerminationPoints, except that only the names of the GTPs are returned.

Operation Exceptions:
1. NOT_IMPLEMENTED - Raised when EMS does not support this operation.
2. INTERNAL_ERROR - Raised in case of non-specific EMS internal failure.
3. INVALID_INPUT - Raised when the layerRateList contains undefined rates.
4. NE_COMM_LOSS - Raised when communication to managed element is lost.
