AudioCoded
TM
Enabling Technology Products
The highly featured, low cost and low power consumption AC482xx enables
the rapid development of medium density gateways, access devices and
routing/switching equipment, Residential Gateways and Integrated Access
Devices (IAD). With AudioCodes' field-proven, feature-rich software, the route
to the complete solution is fast and smooth. The AC482xx can serve as a low
cost direct replacement for the AC481xx.
Deliver Feature-Rich Solution
The AC482xx voice over packet processor combines up to four channels of
toll quality low bit rate voice compression, with a G.168-2000 (future G.168-
2002*) compliant echo canceller, and complete voice band processing
functions in a single device. With configurable tail length of up to 64 msec,
the AC482xx delivers an adaptive, state of the art echo canceller. Field-proven
G3 Fax Relay, compliant with the T.38 ASN.1 standard, is a major enhancement
to the AC482xx offering. Other advanced features include dynamic packet
size programming, high quality DTMF/MF R1/MF R2/Call Progress Tones,
detection and generation of user defined tones and Caller ID, Silence
Suppression and automatic Voice/Fax/Data discriminator.
Fast Integration with Software Stacks
The AC482xx is supported by the VoicePacketizer
TM
software stack which
enables the processor to create a VoIP-compliant media stream as part of a
Media Gateway entity. The VoicePacketizer
TM
is an ANSI-C software stack that
supports the RTP/RTCP protocol. The software stack also provides a simple
API for initialization and configuration of the AC482xx and for run-time call
control. The VoicePacketizer
TM
enables easy control of the packet processor
and fast time-to-market.
Software Upgrades
The complete functionality of the multi-channel processor is implemented in
the internal firmware, which is downloaded into the processor by the host
prior to start of the operation. This allows the addition of new features in
future product releases without system hardware modifications.
Benefit From Extensive Experience
AudioCodes is one of the world's leading providers of DSP solutions since
1996. During this period, the company successfully passed numerous
interoperability tests, while maintaining high levels of performance. AudioCodes'
commitment to innovation yields consistently high-quality voice processing
products that are feature-rich and field-proven. AudioCodes has deployed
more than 5 million VoP ports to date.
AC482xx Features
7 4 channels of two LBR Vocoders (G.723.1 and G.729)
7 Low power consumption & small footprint
7 Up to 64 msec G.168-2002* compliant Echo Canceller
7 T.38 compliant Fax Relay
7 Complete Voice Band Signaling support
7 Caller ID support
* Standard pending ITU approval
Direct replacement for AC481xx
Independent multi-channel operation
Toll quality voice compression
Robust bandwidth-saving fax relay
Field-proven reference designs
AC482xx
Voice over Packet Processor
AudioCoded
*
Platforms for Enhanced Voice Services
2003 AudioCodes Ltd. All rights reserved. AC, AudioCodes, AudioCodes
logo, AudioCodes, IPmedia, Mediant, MediaPack, MP-MLQ, NetCoder, Stretto,
TrunkPack and VoicePacketizer are trademarks or registered trademarks
of AudioCodes Ltd. All other marks are the property of their respective
owners. The information and specifications in this document and the
product(s) are subject to change without notice.
Ref. # LTRT-00272 01/03 V.2
Applications
Voice over IP Gateways
Integrated Access Devices (IAD)
Multi Service Access Platforms
Residential Gateways
Edge Switching Equipment
About AudioCodes
AudioCodes Ltd. (NASDAQ: AUDC) designs,
develops and markets Voice over Packet media
gateway technologies and systems for
converged networks. The company is a market
leader in voice compression technology and
the key originator of the ITU G.723.1 standard
for the emerging Voice over IP market.
AudioCodes' product line includes enabling
technology products such as Voice over Packet
chip processors, VoIP communication boards,
VoIP media gateway modules and CPE devices.
In addition, AudioCodes provides OEMs with
media gateway system solutions for packet
networks in the wireline, wireless, broadband
access and media server markets.
International Headquarters
4 HaHoresh Street
Yehud, Israel 56470
Tel: +972-3-539-4000
Fax: +972-3-539-4040
US Headquarters
2890 Zanker Road, Suite 200
San Jose, CA 95134
Tel: +1-408-577-0488
Fax: +1-408-577-0492
China
Room 209, Tower A, Grand Pacific Building
8A Guanghua Road
Chao Yang District
Beijing 100026, P. R. China
Tel: +86-10-6581-6622
Fax: +86-10-6581-5599
Japan
S Building B1F, 2-30-2
Chuou, Nakano-ku
Tokyo 164-0011, Japan
Tel/Fax: +81-3-5348-1405
E-Mail info@audiocodes.com
www.audiocodes.com
AudioCoded
TM
Enabling Technology Products
Channel Density
Compressed Voice
Voice Functions
Voice Coders
Echo Canceller
Quality Enhancement
Data Functions
Voice/Fax/Data
Fax Support
Modem Support
Signaling
In-band Detection and Generation
Out-of-band Signaling
Caller ID Detection and Generation
* Standard pending ITU final approval
AC482xx
Software Specifications
4 channels
G.711 PCM (/A-law) at 64 kbps
G.726 ADPCM at 16-40 kbps
G.727 E-ADPCM at 16-40 kbps
G.729A/B CS-ACELP at 8 kbps
G.168-2000 (future G.168-2002*) compliant with programmable echo
tail of up to 64 msec
Voice Activity Detection (VAD)
Packet Loss Concealment (PLC)
Automatic detection and switching
T.38 compliant G3 Fax Relay, 2.4-14.4 kbps or PCM bypass
Automatic switch to PCM for up to V.92 rates
DTMF TIA 464B
MF R1, R2
SS4, SS5
User Defined and Call Progress tones
CAS ABCD (From Standard Framers)
Telcordia (Bellcore) On Hook and Off Hook Service (Type 1 & 2)
ETSI On Hook and Off Hook Service (Type 1 & 2)
NTT Number Display (Type 1)
G.723.1 MP-MLQ at 6.3 kbps
G.723.1 ACELP at 5.3 kbps
NetCoder at 6.4-9.6 kbps
PCM Interface
Host Post Interface
Power Supply
Power Consumption
Operational temperature range
Package
Hardware Specifications
1.544, 2.048, 4.096 or 8.192 Mbps, A/-Law
8 bit Bidirectional
+1.8V (core), +3.3V (I/O)
150 mW (typ)
-40
o
C - 100
o
C
22x22 mm
2
, 144 pin TQFP, (AC482-C)
12x12 mm
2
, 144 pin BGA , 0.8 mil, (AC482-CB)
Comfort Noise Generation (CNG)
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