Patent ID: 6324176
Filing Date: 2001-11-27
Classification: H04L,H04Q

Abstract:
Apparatus for performing a digital switching function comprising:a time slot interchange interface, comprising:an incoming time slot bus interface;a memory for storing PCM samples from said incoming time slot bus interface; andan outgoing time slot bus interface for receiving samples stored in said memory;characterized in that:said apparatus further comprises another memory for storing incoming PCM samples for performing a packet assembly-disassembly function and for transmitting output data samples to said memory; anda routing processor for controlling said another memory and packet assembler-disassembler wherein packetized traffic received from said incoming time slot bus interface via said memory are assembled into packets provided with a proper header by said routing processor for transmission via said memory to said outgoing time slot bus interface;wherein said time-slot interchange interface memory for storing PCM samples and outgoing interface are on one slice of said time slot interchange (TSI) unit, and further comprising:a loopback interface for broadcasting selected outgoing time slots of active communications to memories of other slices of said TSI unit.