Patent ID: 6157620
Filing Date: 2000-12-05
Classification: H04M,Y02D

Abstract:
A radio telephone, comprising:a microphone for receiving near-end sound and for providing corresponding near-end audio signals;a speech coder coupled to said microphone for coding near-end audio signals received from said microphone to provide coded near-end signals at an output of said speech coder;a speaker for receiving far-end audio signals and for broadcasting corresponding far-end sound to a near-end user of said radio telephone;a speech decoder coupled to said speaker for decoding coded far-end signals received at an input of said speech decoder to provide far-end audio signals to said speaker;a radio transceiver for receiving coded far-end signals from, and transmitting coded near-end signals to, a radio communication network;an external connection for receiving network-formatted far-end signals from, and transmitting network-formatted near-end signals to, a computer network;a converter, said converter formatting, according to an Internet Protocol (IP), coded near-end signals to provide said network-formatted near-end signals and converting, according to an Internet Protocol (IP), said network-formatted far-end signals to provide coded far-end audio signals; anda digital interface for selectively coupling the output of said speech coder and the input of said speech decoder to one of said radio transceiver and said converter.