Voice Processor Features High-density high-integration voice/data

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Voice Processor Features High-density high-integration voice/data

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Entropia CT-GWT3032/CT-GWT3064
Voice Processor Features
High-density high-integration voice/data convergence product that bridges circuit packet switched networks
voice channels chip CT-GWT3032 voice channels chip CT-GWT3064 Fully compliant with ITU-T AForum standards Comfort noise generation (CNG) channel A-law µ-law support conversion Automatic detection fax/data modem calls revert kbps Comprehensive tone detection processing national international standards Message Announcement support
Networking features
Complete user plane AAL1, AAL2, support Support control plane traffic transport (such AAL2 Type messages, cells, TCP, RTCP) Split merge AAL1 AAL2 control management traffic with user plane traffic over-subscription support packet interface Support SSSAR SSTED
Performs voice processing, telephony, networking functions chip power dissipation, Watts (typical 10%) maximum chip Voice compression with echo cancellation
channels (CT-GWT3032) channels (CT-GWT3064) with AAAL1 AAL2 channels (CT-GWT3032) channels (CT-GWT3064) ADPCM over AAAL2
Vocoder feature selection per-call perchannel basis Host provides easy system integration Extensive management performance monitoring Support in-operation standby system diagnostics including self tests Support redundancy Intelligent on-chip power management
Echo cancellation
Provisionable from echo cancellation Meets G.165 G.168 ITU-T standards
Telephony features
Voice activity detection (VAD) Silence insertion descriptor (SID) support
System Block Diagram
CENTILLIUM DELIVERABLE SOFTWARE CUSTOMER CALL PROCESSING SOFTWARE HOST CENTILLIUM DELIVERABLE SOFTWARE
SDRAM PROGRAM RISC PROGRAM
CENTILLIUM HOST SOFTWARE
SDRAM CONTROLLER INTERFACE CIRCUIT SWITCHED NETWORK
HOST INTERFACE UTOPIA INTERFACE UTOPIA POS-PHY
PACKET NETWORK
VOICE COMPRESSION, ECHO CANCELLATION, TELEPHONY FEATURES
RISC AAAL1 AAL2,
CT-GWT3032/ CT-GWT3064
CENTILLIUM DELIVERABLES
CENTILLIUM DELIVERABLE CHIP
PRODUCT BRIEF
JULY 2001 VERSION
Entropia CT-GWT3032/CT-GWT3064
Overview
CT-GWT3032 CT-GWT3064 members Entropia family voice processors targeted Entropia voice gateways applications. Other members this family include CT-GWT3192 CT-GWT3336 targeted carrier-class high-density gateway applications. single CT-GWT3032/ CT-GWT3064 supports 32/64 full-duplex voice connections with without) compression, echo cancellation side, comprehensive tone/ announcement processing telephony features, well complete AAL1, AAL2, support. CT-GWT3032/CT-GWT3064 provides format conversion switching between individual voice streams flowing across packetized voice conventional circuit-switched voice highways. Each voice channel from side echo-canceled, compressed, packetized transmission over packet network. reverse direction,, each packetized voice channel from packet network buffered de-jittering, decompressed, terminated interface. CT-GWT3032/CT-GWT3064 interfaces circuit-switched networks through standard-compliant interface packet network through UTOPIA Level interface cells POS-PHY interface variable size packets. CT-GWT3032/CT-GWT3064 supports Layer control plane traffic transport over packet network (for example, signaling voice over AAL2). Control plane messages received from packet network split routed host processor, while user plane traffic scheduled voice processing then routed highway. Voice traffic from highway merged with control plane traffic from host processor transmission packet network. Deliverable
CT-GWT3032/CT-GWT3064 software On-chip RISC software Host software
CT-GWT3032/CT-GWT3064 supports 4:1/8:1 oversubscription AAAL2 interface, where type refresh messages from 128/256 channels transported from host processor enable call setup teardown functions. CT-GWT3032/CT-GWT3064 supports transport CAS, (for example, V5.2) ISDN channel signaling from interface host processor packet network. device controlled managed host processor that provides call-control functions. addition chip configuration management, host processor dynamically sets tears down connections within CT-GWT3032/ CT-GWT3064 switching fabric per-call basis. CT-GWT3032/CT-GWT3064 also reports call statistics per-call basis well periodic basis. Off-chip local memory needed store switching fabric tables, received cells packets, voice samples, echo cancellation contexts, programs, networking programs. local memory implemented with 64-Mbit SDRAM device optimum cost, power, area. CT-GWT3032/ CT-GWT3064 voice processor stacked higher capacity voice over packet functionality. Entropia family devices designed easy upgradeability. Voice compression, echo cancellation, telephony features performed Centillium Communications proprietary programmable DSP. Networking functionality performed embedded RISC processor easy field upgradeability future software releases. Support other compression standards including G.729A&B required features such Tone/FaxRelay will added future software release. Comments
Loaded power Loaded power This code integrated with customer software running customer host processor.
Format
388-pin PBGA executable code
Functions
Hardware functions Voice compression, echo cancellation, telephony functions RISC executable code Networking functions source code Host API, chip drivers, switch fabric management, chip resource management
Contact Information
Centillium Communications, Inc. 47211 Lakeview Blvd. Fremont, 94538 Tel: (510) 771-3700 Fax: (510) 771-3500 Web: www.centillium.com Email: info@centillium.com
Disclaimer: This document contains information product under development Centillium Communications, Inc. This information intended help evaluate this product. Centillium Communications reserves right change discontinue work this proposed product without notice. Trademarks: company product names mentioned this document trademarks registered trademarks their manufacturers.
PRODUCT BRIEF VERSION

Voice Processor Features High-density high-integration voice/data

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