Patent ID: 6282238
Filing Date: 2001-08-28
Classification: H04M,H04Q

Abstract:
An apparatus comprising:an adapter comprising:an Integrated Services Digital Network connection capable of connecting from a first device to a remote device on an Integrated Services Digital Network channel, comprising a U interface processor to provide U-interface functions to the Integrated Services Digital Network channel, and an S/T interface processor to provide S/T interface functions to the Integrated Services Digital Network channel,an analog modem connection comprising an analog modem and capable of connecting from the first device to the remote device, anda selector device that selects between the Integrated Services Digital Network connection and the analog modem connection, the selector device comprising:a digital signal processor;a memory to store instructions to be executed by the digital signal processor;an application specific integrated circuit coupled to the digital signal processor, the application specific integrated circuit to provide an external interface for the adapter to enable the digital signal processor to interact with a computer processor in the first device; anda glue interface to translate information between the digital signal processor and the U interface processor, the S/T interface processor and the analog modem,wherein the digital signal processor is responsive to commands from the computer processor in the first device to select the analog modem, the U interface processor or S/T interface processor for data transmission, the commands being received via the application specific integrated circuit.