System for coupling the public telephone network to the...

System for dispatching information packets and method therefor

System for enhancing data transfer

System for enhancing data transfer

System for initiating a call utilizing java-embedded email

System for interconnecting circuit-based terminal devices...

System for interconnecting packet-switched and...

System for interconnecting packet-switched and...

System for interconnecting standard telephony communications...

System for media gateway to media gateway address...

System for organizing voice channel data for network...

System for providing multi-phased, multi-modal access to...

System for providing multi-phased, multi-modal access to...

System for providing portable VoIP services

System for providing simultaneous voice and data transmission

System for sending text messages converted into speech...

System for supporting multiple internet service providers on...

System for switching from an established media path to a new...

System for transmitting data between circuit boards in a...

System for transporting sub-rate data over a communication...