Progressive automatic activation and automatic resetting of call

Protecting communications network integrity

Providing a call waiting distinctive ringback feature in...

Providing call backup of voice over internet protocol (VoIP)...

Providing calling party information in a request to...

Providing enhanced services through double SIV and personal dial

Providing features to a subscriber in a telecommunications...

Providing network services to a network agent

Providing special services to a caller configured as a virtual c

Providing telephony services

Providing telephony services using intelligent end points

Providing telephony services using intelligent end points

Provision of media content to telephony callers on-hold

Provisioning of cable telephone service

Provisioning of subscriber services

Provisioning system for network resources

Proximity detection for telecommunications features

Proximity detector for initiating automatic callback

Public accessible terminal capable of opening an account for all

Push-to-talk wireless telecommunications system utilizing a...