Method of restricting the duration of telephone calls and...

Method of routing calls for a network of digital time-switched e

Method of selecting the most cost effective cellular service pla

Method of setting up telecommunication connections

Method of telecommunications call record correlation...

Method of telephone access to internet secretarial services

Method relating to telephone communications including the...

Method, server and communications node for setting up...

Method, system, apparatus, and computer program product for...

Methods and apparatus for billing conference calls

Methods and apparatus for routing and accounting of revenue...

Methods and apparatus for tracking and charging for...

Methods and apparatus to manage collect phone calling limits

METHODS AND DEVICES FOR PROVIDING EARLY DETECTION,...

Methods and systems for 1+ prepaid routing service

Methods and systems for accessing peg count information...

Methods and systems for assembling telephone line records

Methods and systems for automatically and accurately...

Methods and systems for billing and routing local toll-free...

Methods and systems for billing and routing local toll-free...