System and method for multi-stage data logging

System and method for notifying a customer of a call from a...

System and method for passcode validation during telephone...

System and method for performing signaling-plan-specific...

System and method for preserving caller privacy

System and method for privacy management

System and method for privacy management

System and method for providing an improved telecommunications s

System and method for providing network information service

System and method for providing no answer detail service for...

System and method for providing no answer detail service for...

System and method for providing switch translations

System and method for real-time provisioning of central...

System and method for recovering from a telecommunications disas

System and method for selecting a feature

System and method for single access database retrievals

System and method for subscriber line service control

System and method for temporary voicemail service

System and method for toll notification when placing a call

System and method for toll notification when placing a call