System and method for dynamically reconfigurable packet transmis

System and method for effecutating a SIP call in a network...

System and method for efficiently transporting dual-tone...

System and method for emergency call diversion

System and method for enhanced ADSL architecture and service...

System and method for enhancing network stability by...

System and method for establishing a call telecommunications pat

System and method for establishing a call telecommunications pat

System and method for establishing a communication connection

System and method for establishing a direct call path for...

System and method for establishing and enforcing service...

System and method for establishing channels for a real time...

System and method for establishing communication between a...

System and method for establishing internet communications links

System and method for establishing long distance call...

System and method for establishing long distance voice...

System and method for establishing long distance voice...

System and method for facilitating communication between...

System and method for feature-based services control using SIP

System and method for foreign agent control node redundancy...