System and method for automatically processing a user's...

System and method for automatically transferring calls or allowi

System and method for blocking a telephone call

System and method for call completion on busy subscribers

System and method for call conferencing

System and method for call conferencing

System and method for call conferencing

System and method for call merge to an AIN SSP from an...

System and method for call transferring in a communication...

System and method for caller control of a distinctive ring

System and method for caller control of a distinctive ring

System and method for caller-selectable call routing from a...

System and method for changing A-number

System and method for changing advanced intelligent network serv

System and method for collaborative and social group phone...

System and method for communication between a telephone data...

System and method for completing a call while at least one...

System and method for completing private or unknown calls...

System and method for completing private or unknown calls...

System and method for completing two calls using analog...