AudioCodes VoIP Processor
Solution Guide
The Clear Sound of Quality

Featuring Rich VoIP Processor Solutions
from the world’s leading enabler of the new voice infrastructureAudioCodes Enabling Technology Products

Solution Guide

Analog Telephone Adapter (ATA)and CPE VoIP Gateway

IP Phone

Application

Solution

SMB VoIP Gateway and IP-PBX

Number of
VoIP Channels

Number of
Data Ports

Product Description

Remarks

Page

AC494
IP Phone
VoIP Toolkit

AC494
AC495
AC495L

2

2

Hardware & Software Reference
Design, Linux support, IP Phone
SIP demo application

IP Phone solution
available

4-5

AC494E(Orchid)
IP Phone
ToolkitAC494E
AC495E

2

2

Hardware & Software Reference
Design Gigabit Eth support,
Linux support, IP Phone SIP
demo application

IP Phone solution
available

10 - 11

ATA/CPE
Gateway
VoIP Toolkit

AC494
AC495
AC496

Up to 8

2

Hardware & Software Reference
Design, Linux support, ATA
SIP demo application, FXS/FXO
support

Tulip ATA

AC494
AC495
AC496

Up to 82

Production ready module,
production files available,
Complete ATA SIP application,
FXS/FX0 support

14

13

6-7

Optionalcustomizationof the software

7

CPE
VoIP Toolkit

AC483

Up to 4-

Hardware & Software Reference
Design, Linux support, ATA SIP
demo application, FXS/FXO
support

AC48x
VoIP DSP

AC48x

Up to 4-

API Drivers
OS independentAC494E +AC498

4 - 16

2

Hardware & Software Reference
Design, Linux support, 16 port
Gateway SIP demo application,
FXS support

Risk Free
Asteriskbased IPPBX
ToolkitAC494E +AC498

4 - 16

2

IP-PBX application

9

Gladiolus
SDK

AC501x

8 - 24-

Hardware & Software Reference
Design, API Drivers OS
independent

9

Voice Over
PacketProcessor

AC490

8 - 12-

Hardware Reference Design, API
Drivers OS independent

15

Voice Over
PacketProcessor

AC501x

8 - 24-

Hardware Reference Design, API
Drivers OS independent

16

Voice Over
PacketSoC

AC5042Up to 32

Hardware Reference Design, API
Drivers OS independent, Linuxsupport, SIP application

12

Voice Over
PacketProcessor

AC491/
AC491L

32, 64, 96

Hardware Reference Design, API
Drivers OS independent

17

Voice Over
PacketProcessor

AC503xHardware Reference Design, API
Drivers OS independent18

SMB VoIP
Toolkit Gateway

Enterprise VoIP
Gateway

VoIP Processor
Product Number*168, 204, 234*Dynamically allocated
VoIP channels-

Scalable solution

8-9

3 | CMBU Chips & Modules Business Unit

AudioCodes Enabling Technology Products
AC494 Family System On a Chip (SoC)
Channel Density• 2 VoIP line support
Hardware• CPU – MIPS32 4KEC, 165 Mhz• DSP – AC49x, 125 Mhz• 2 Integrated 10/100 Base-T MAC/PHY ports• Integrated 3-port layer-2 Ethernet Switch• 8x8 Keypad interface• LCD Interface – Alphanumeric, Graphic, Rasterized• Integrated SSP (SPI/I2C) Controller• USB 1.1 Host/Device• External Memory I/F – Two SDRAM banks, up to 128 MB,
Flash up to 32 MB• Telephony Interface - Integrated dual channel 16 bit CODEC,
sampling rate 8/16 KHz• Five inputs to ADC, four outputs from DAC• PCM Interface - 2.048 MHz A/μ-Law serial port
• Power Supply - +3.3V (+1.5V core via integrated voltage
regulator)• Power Consumption - 1.88 W (max)• Operational Case Temperature Range - 0ºC - 70ºC (commercial)• Package - 324 pin BGA, 23x23 mm, 1.00 mm ball spacing● Single chip complete IP Phone solution● Superior voice quality at a competitive price● Field-proven VoIP processor and software● VoIPerfectHD™ (High Definition VoIP) support● Combined hardware & software reference design● Ready to use IP Phone open platforms
The AC494 IP Phone Toolkit is a combined hardware and software
IP Phone reference design based on the AC494 System on Chip (SoC)
family. AudioCodes’ AC494 SoC (System on Chip) family provides IP
Phone developers and manufacturers with a single chip field-provencomplete IP Phone solution, integrated with superior voice quality at acompetitive price.

AC494 SoC (System on Chip)
In a single chip, the AC494 combines all IP Phone components; including
a MIPS 4KEC CPU, AC49x DSP and a 3-port Ethernet Switch (MACs andPHYs) together with a rich set of peripherals such as internal CODECS
and serial ports. The AC494 is based on the VoIPerfectHD™ architecture(High Definition VoIP) support, AudioCodes' underlying, best-of-breed,core media gateway technology for its product line. Utilizing its highly
integrated structure and requiring only a minimal number of peripheraldevices, time to market is rapid with little risk.
Several silicon derivatives of this family allow cost optimization perapplication, which includes the following devices: AC494, AC495, AC496
and AC495L.
DeviceCPU Clock

DSP ClockUSB

Voice CODECs

Eth. Ports

AC494

165 Mhz

125 Mhz

V

2

2

AC495

125 Mhz

100 Mhz-

22AC495L87.5 Mhz

87.5 Mhz

-

2

2

AC496

165 Mhz

125 Mhz-

2

2

4 | CMBU Chips & Modules Business Unit

Telephony Signaling• DTMF – TIA464B• Programmable Call-Progress Tones
VoIP Signaling Protocols• SIP - RFC 3261, 3262, 3263, 3264, 2327
Packetization• RTP/RTCP Packetization – RFC 3550, 3551, 2198
• Caller ID - Telcordia/ETSI/NTT Type I/II (on hook / off hook)• DTMF Relay - RFC 2833, RFC 4733
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1Media Processing• Voice Coders - G.711, G.723.1, G.729A/B, G.726, GSM FR• Wideband Coders – G.722, G.722.2 (WB-AMR), Opus
• Echo Cancelation – G.168-2004 compliant, 64 msec tail length• Acoustic Echo Canceler• Silence Suppression – VAD, CNG• Adaptive Jitter Buffer 300 msec
Telephony Features• 3-Way conferencing (on each channel)• Call Forward• Call Hold• Call Transfer• Call Waiting
Configuration/Management• Embedded Web• TFTP• FTP• Telnet• Filesystem Support
Operating System• Linux Kernel• Board Support Package

IP Phone Toolkit

IP Phone Toolkit Hardware Design
The AC494 IP Phone Toolkit hardware reference design includes all the
peripherals for a complete high-end IP Phone. The AC494 SOC includes
the internal interfaces for LCD Display, a keypad, USB, speaker andhandset. Additionally, it has a 3-port Eswitch and internal MACs/PHYs.

IP Phone Toolkit Hardware Design

IP Phone Software Development Kit (sdk)
The AC494 IP Phone Toolkit includes a complete Linux Software
Development Kit (SDK) supporting voice and network protocols. The
software is available in open source code, comprised of separate
modules allowing for maximum customization.

IP Phone Software Architecture

Ready to use IP Phones for developers
The AC494 IP Phone toolkit is also available on ready-to-use IP Phones.
This allows OEMs and ODMs to develop their software on an actual IP
Phone platform.

Toolkit Contents• Reference & Development IP Phone Platform• Linux Operating System• Free Development Environment (Linux Tool-chain)• Ready-to-use IP Phone Application (open source code)

AC494 IP Phone

5 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology Products
ATA/CPE Gateway VoIP Toolkit
Channel Density• Up to 4 FXS line interfaces
Hardware• CPU – MIPS32 4KEC, 165 Mhz• DSP – AC49x, 125 Mhz / 100 Mhz• 2 Integrated 10/100 Base-T MAC/PHY ports• Integrated 3-port layer-2 Ethernet Switch• Integrated SSP (SPI/I2C) Controller
Telephony Signaling• DTMF – Detection and Generation, TIA464B• Caller ID – Telcordia/ETSI/NTT Type I/II (on hook/off hook)• Programmable Call-Progress Tones
Packetization• RTP/RTCP Packetization – RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, RFC 4733

● Complete ATA/CPE Gateway VoIP solution● Up to 4 FXS line interfaces with assembly options● 3-Way conferencing per line support● VoIPerfectHD™ (High Definition VoIP) support, enabling
superior voice quality at a competitive price● Field-proven VoIP processor and software● Perfect platform for stand-alone ATA developers● Production ready hardware and software reference
designThe ATA Toolkit is a combined hardware and software ATA reference
design based on the AC494 System on Chip (SoC). The AC494 SoC(System on Chip) provides ATA developers and manufacturers with single
chip field-proven complete ATA solution, integrated with superior voice
quality at a competitive price.

AC494 SoC (System on Chip) Family
The AC494 family combines in a single chip the main ATA components;
it includes a MIPS 4KEC CPU, AC49x DSP and a 3-port Ethernet Switch(MACs and PHYs) together with a rich set of peripherals. The AC494 isbased on the VoIPerfectHD™ architecture (High Definition VoIP) support,
AudioCodes' underlying, best-of-breed, core media gateway technology
for all of its products.

Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Telephony Support• FXS and FXO supported
Media Processing• Voice Coders - G.711, G.723.1, G.729A/B, G.726, GSM FR• Wideband Coders – G.722, G.722.2 (WB-AMR)• Fax – T.38 Relay, Bypass , T.38 over RTP• Echo Cancelation – G.168-2004 compliant, 64 msec tail length• Silence Suppression – VAD, CNG• Adaptive Jitter Buffer 300 msec
Telephony Features• 3-Way conferencing (on each line)• Call Forward• Call Hold• Call Transfer• Call Waiting
Data Protocols• IPv4, TCP, UDP, ICMP, ARP• PPPoE• Layer 2 switching• DHCP Client/Server – RFC 2132
• WAN to LAN Layer-3 routing• DHCP Client/Server – RFC 2132
• NAT – RFC3022, Application Layer Gateway (ALG)• IEEE 802.1p/q QoS (VLAN tagging)
VoIP Signaling Protocols• SIP - RFC 3261, 3262, 3263, 3264, 2327
Configuration/Management• Embedded Web• TFTP• FTP• Telnet• Filesystem support
Operating System• Linux Kernel• Board Support Package

6 | CMBU Chips & Modules Business UnitATA and CPE VoIP Gateway

Development Platform and Reference Design
The ATA VoIP Toolkit is a combined hardware and software ATA reference
design. The ATA VoIP Toolkit is based on the AC494 System on Chip (SoC)
family. The SoC combines in a single chip, all the ATA components; it
inlcudes a MIPS 4KEC CPU, AC49x DSP and 2-ports MACs/PHYs together
with a rich set of peripherals. The hardware reference design includes
also the analog FXS module.

The ATA Toolkit Hardware Design

ATA Software Development Kit (SDK)The ATA VoIP Toolkit couples the hardware with a complete Linuxsoftware suite supporting voice and network protocols, call featuresand management applications. The software is available in open source
code, combined of separate modules allowing customers to easily
differentiate themselves.

Toolkit Contents• Reference Design & Development Platform based on AC494-SoC• Ready-to-use scalable ATA modules• Linux Operating System• Free Development Environment (Linux Tool-chain)• Ready to use VoIP ATA Application (open source code)

ATA Software Architecture

Tulip ATAThe Tulip ATA based on AC494-SoC family is a complete, ready to-use
reference design of an ATA and Gateway with data routing capabilities.
Utilizing AudioCodes field-proven VoIPerfectHD™ DSP software and theintegrated AC494 System on Chip (SoC) family, the Tulip ATA offersOEMs
and ODMs an excellent and cost effective solution for the rapidly growing
residential and Small Office/Home Office (SOHO) VoIP market.
The Tulip ATA have a costeffective Bill of Materials (BOM) to support
aggressive market cost demands. An additional data port provides theoption to convert a PC to the ATA without supplementary hardware.
Special attention was given to designing the hardware and PCB toshorten customer investment in the homologation process.

Toolkit Contents

Tulip ATA

• Production ready Analog Telephone Adapter (ATA) reference design• Available as a module or through production license• Data Routing Capabilities• Minimizing risk and allowing quick time to market for ODMs and OEMs
rolling out VoIP-based services

7 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology Products
SoC Based SMB VoIP Toolkit
Channel Density• Up to 16 FXS lines
Hardware• CPU – MIPS32 4KEC, 300 Mhz• DSP – AC49x, 150 Mhz• 2 Integrated 10/100/1000 Base-T MAC/PHY ports• Integrated 3-port layer-2 Ethernet Switch• Integrated SSP (SPI/I2C) Controller● Complete SMB VoIP Gateway Solution● Up to 16 FXS lines at a competitive price● Field-proven VoIP processors and software● VoIPerfectHD™ (High Definition VoIP) support● Ideal solution for SOHO & SMB VoIP applications that
require superior voice quality, scalability and reliability
with cost-effective deployment
The SMB VoIP Toolkit is a combined hardware and software reference
design for VoIP gateways with up to 16 channels, providing a complete,cost-effective solution for various applications. Utilizing AudioCodes
field-proven VoIPerfectHD™ architecture (High Definition VoIP) support,
the AC494E System on Chip (SoC) and the AC498 DSP, allows thisreference design to offer OEMs and ODMs a cost-effective and quick time
to market solution for the rapidly growing SOHO and SMB VoIP markets.

AC494E SoC (System on Chip) and AC498
In a single chip, the AC494E combines the main components of a 4 VoIP
channel gateway. It includes a MIPS 4KEC CPU, AC49x DSP and 2-port
MACs/PHYs and a rich set of peripherals.
The AC498 DSP is an add-on DSP to the AC494E based on the AC49x
DSP core. Each device provides extra 4 VoIP channels to the AC494E. Up
to three AC498 devices can be concurrent with the AC494E providing a
configurable VoIP density between 4 to 16 channels.
The AC494E and the AC498 are based on VoIPerfectHD™ architecture(High Definition VoIP) support, AudioCodes’ underlying, best-of-breed,core media gateway technology for its product portfolio. Utilizing
its highly integrated structure, requiring only aminimal number of
peripheral devices, time-to-market The AC494E and the AC498 arebased on VoIPerfectHD™ architecture (High Definition VoIP) support,
AudioCodes’ underlying, best-of-breed, core media gateway technology
for its product portfolio. Utilizing its highly integrated structure, requiring
only aminimal number of peripheral devices, time-to-market
DeviceCPU Clock

DSP ClockUSB

AC494E

300 Mhz

150 Mhz-

Max VoIP Channels
4

2

AC498

-

150 Mhz-

4-

8 | CMBU Chips & Modules Business Unit

Eth. Ports

Telephony Signaling• DTMF – Detection and Generation, TIA464B• Caller ID – Telcordia/ETSI/NTT Type I/II (on hook/off hook)• Programmable Call-Progress Tones
Packetization• RTP/RTCP Packetization – RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, RFC 4733
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Telephony Support• FXS
Media Processing• Voice Coders - G.711, G.723.1, G.729A/B, G.726, GSM FR• Wideband Coders – G.722, G.722.2 (WB-AMR)• Fax – T.38 Relay, Bypass , T.38 over RTP• Echo Cancelation – G.168-2004 compliant, 64 msec tail length• Silence Suppression – VAD, CNG• Adaptive Jitter Buffer 300 msec
Telephony Features• N-Way conferencing• Call Forward• Call Hold• Call Transfer• Call Waiting
Data Protocols• IPv4, TCP, UDP, ICMP, ARP• PPPoE• IEEE 802.1p/q QoS (VLAN tagging)• Layer 2 switching• DHCP Client/Server – RFC 2132
VoIP Signaling Protocols• SIP - RFC 3261, 3262, 3263, 3264, 2327
Configuration/Management• Embedded Web• TFTP• FTP• Telnet• Filesystem support
Operating System• Linux Kernel• Board Support Package

SMB VoIP Gateway and IP-PBX
Toolkit Contents• Reference Design & Development Platform based on AC494E-SoC andAC498-DSP (up to 16 VoIP channels)• FXS modules• Linux Operating System• Free Development Environment (Linux Tool-chain)• Ready-to-use VoIP Gateway SIP Application (open source code)

RISC Free IP-PBX Toolkit
The RISC Free IP-PBX Toolkit enables developers to use the advantages ofthe embedded Asterisk IP-PBX application while offloading the CPU fromthe voice processing heavy tasks, and using AudioCodes superior voice
quality and enhanced VoIP features.
The RISC Free IP-PBX Toolkit is a combined hardware and software
reference design for IP-PBX with up to 16 analog channels support and up
to 32 IP Phones support, providing a complete, cost-effective solution forvarious applications. Utilizing AudioCodes field-proven VoIPerfectHD™
architecture (High Definition voice support) and the embedded Asterisk
IP-PBX application, the AC494E System on Chip (SoC) and the AC498 DSP,
allows this reference design to offer OEMs and ODMs a cost effective
and quick time to market solution for the rapidly growing SOHO andSMB VoIP markets.

Asterisk AC49x Channel Driver Architecture

Gladiolus Software Development Kit (SDK)The Gladiolus SDK is a Linux-based, Software Development Kit (SDK) for
the AudioCodes’ AC501x DSP family. The Gladiolus SDK provides theinfrastructure and medium density (up to 28 LBR channels with AC494E
SOC) sample applications. The Gladiolus SDK can be ported to any hostplatform. The Gladiolus SDK instructs users how to integrate the AC501x
with any host platform and then develop their own VoIP application.
The Gladiolus can be provided with AC494E SMB board and a SLIC
card with two FXS interfaces, as a complete development platform.
So, customers can write their application with it, and start theirdevelopment. A reference demo application (Linux based) is provided
with the SDK.

The Gladiolus Board

9 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology Products
AC494E Family (Orchid) SoC
Channel Density• Up to 4 compressed VoIP channels• High Performance VoIP System on Chip Family• Suitable for IP-Phones, Gateways and IP-PBX solutions• Gigabit Ethernet throughput• Security accelerator• Static packet filtering• Enhanced integrated CPU and DSP• VoIPerfectHD™ (High Definition Voice) Support• Combined hardware and software reference designs andtoolkits
The Orchid family is the next-generation AudioCodes System on Chip
(SoC) devices that integrates Gigabit Ethernet, security capabilities andsuperior voice quality features, and it combines the AC494E, AC495E andthe AC496D devices.
The Orchid devices are dual-core based on MIPS 24KEc RISC CPU at
300MHz and AC49x-DSP at 150MHz allowing ODMs and OEMs todevelop IP Phones, Gateways and IP-PBX with enhanced data and voice
performance. These devices are based on VoIPerfectHD™ architecture(High Definition voice support), AudioCodes’ underlying, best-of-breed,core media gateway technology for all of its products.

Gigabit Ethernet Support
The Orchid devices integrates a gigabit Ethernet (10/100/1000 Mbps)
switch and two Fast Ethernet (10/100 Mbps) transceivers, allowing forthe optional development of traditional Fast Ethernet designs without
the additional cost of adding external transceivers.
The two Ethernet MACs support a high-speed and flexible switchingmechanism allowing connection to PCs and/or a local area network (LAN)
via three Gigabit Ethernet ports. The Orchid devices also integrated withtwo 10/100 Ethernet PHYs, enabling developers to design a cost effective
product when gigabit technology is not required.
DeviceCPU Clock

DSP ClockUSB

Voice CODECs

Eth. Ports

AC494E

300 Mhz

150 MhzV

2

2

AC495E

125 Mhz

125 Mhz-

22AC496D*300 Mhz

300 MhzV-2* With ADPCM I/F, without 2 channel CODEC

10 | CMBU Chips & Modules Business Unit

Hardware• CPU – MIPS32 4KEC, 300 Mhz/125Mhz• DSP – AC49x, 150 Mhz/125Mhz• 2 Integrated 10/100 Base-T MAC/PHY ports• 2 MII or RGMII Interfaces• Integrated 3-port layer-2 Ethernet Switch• 8x8 Keypad interface• LCD Interface – Alphanumeric, Graphic, Rasterized• Integrated SSP (SPI/I2C) Controller• USB 1.1 Host/Device• External Memory I/F – 16-bit DDR SDRAM and ASync EMIF
• Telephony Interface - Integrated dual channel 16 bit CODEC,
sampling rate 8/16 KHz• Five inputs to ADC, four outputs from DAC• PCM Interface - 2.048 MHz A/μ-Law serial port
• Power Supply - +3.3V (+1.5V core via integrated voltage
regulator)• Power Consumption - 1.9 W• Operational Case Temperature Range - 0ºC - 70ºC (commercial)• Package - 376 pin BGA, 23.2x23.2 mm, 1.00 mm ball spacing
Telephony Signaling• DTMF – TIA464B• Caller ID - Telcordia/ETSI/NTT Type I/II (on hook / off hook)• Programmable Call-Progress Tones
VoIP Signaling Protocols• SIP - RFC 3261, 3262, 3263, 3264, 2327
Packetization• RTP/RTCP Packetization – RFC 3550, 3551, 2198
• Caller ID - Telcordia/ETSI/NTT Type I/II (on hook / off hook)• DTMF Relay - RFC 2833, RFC 4733
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1Media Processing• Voice Coders - G.711, G.723.1, G.729A/B, G.726, GSM FR, AMR,
iLBC
• Wideband Coders – G.722, G.722.2 (WB-AMR)• Echo Cancelation – G.168-2004 compliant, 64 msec tail length• Acoustic Echo Canceler• Silence Suppression – VAD, CNG• Adaptive Jitter Buffer 300 msec
Telephony Features• 3-Way conferencing (on each channel)• Call Forward• Call Hold• Call Transfer• Call Waiting
Configuration/Management• Embedded Web• TFTP• FTP• Telnet• Filesystem Support
Operating System• Linux Kernel• Board Support Package

AC494E SoC Family Toolkits
AC494E/AC495E
The AC494E/AC495E cocombines is a single chip all the IP-Phonecomponents; it includes a MIPS 24KEc CPU, AC49x DSP and 3-port gigabit
Ethernet Switch together with a set of peripherals such as internal
CODECs and serial ports,on-chip peripherals include a 24-bit color LCD
controller, 8 x 8 keypad interface, USB controller and two serial UARTs.
The AC494E/AC495E is integrated with PCM (TDM) interfaces allowing
connecting it with analog devices such as FXS, FXO and BRI. The AC49xDSP integrated inside the AC494E/AC495E can support up to 4 VoIP
channels and together with the VLYNQ high speed serial interface extra
AC498- DSP devices can be added with support up to 16 VoIP channels.
AC494E SoC Block Diagram

AC494E/AC495E IP Phone Reference Design• 10/100/1000 Eth interfaces• Security Accelerator Engine• High resolution 24 bit LCD• HD VoIP support• Bluetooth and USB accessories support

AC494E IP Phone Toolkit

AC494E/AC495E GW/IPPBX Reference Design• 10/100/1000 Mbytes Ethernet Interfaces• Security Accelerator Engine• Integrated 300 MHz CPU for IP-PBX applications• USB support*• Up to 16 FXS/FXO configurable ports support• HD VoIP support• Embedded Asterisk IP-PBX application is available* AC494E only

11 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology ProductsEnterprise VoIP Gateway
AC 5042 (Sunflower) System on Chip
Hardware• CPU – ARM Cortex A8™ at 1GHz
• DSP – AC50x- core at 750MHz• Enhanced HD Coprocessor• 2 x Gigabit EMAC, GMII
• PCI Express I/F• USB 2.0 OTG I/F• 6xUART, 3xI2C,4xSPI,3x MMC/SD/SDIO● Powerful multi purpose dual core SoC● Ideal solution for IPPBX & VoIP Gateway applications
scalability and reliability with cost-effective deployment● VoIPerfectHD™ support● Dynamically allocated Up to 32 VoIP channels
The AC5042 AudioCodes System on Chip (SoC) device integrates Gigabit
Ethernet and GMAC Switch, Video coprocessor, PCI Express I/F, security
capabilities and superior voice quality features. The AC5042 device isdual-core based on ARM Cortex A8™ at 1GHz and AC50x-DSP core at
750MHz allowing ODMs and OEMs to developGateways and IP-PBX
with enhanced data and voice performance. The Sunflower is based on
VoIPerfectHD™ architecture (High Definition voice support), AudioCodes’
underlying, best-of-breed, core media gateway technology for all of its
products.

AC5042 Software Development Kit (SDK)and Reference Design
The AC5042 SDK couples the hardware with a complete Linux software
suite supporting voice and network protocols, call features andmanagement applications. This software is available in open sourcecode allowing customers to easily differentiate themselves. The SDK
implements the SIP control protocol and Asterisk based IPPBX application.
The reference design can be used as an infrastructure for IP-PBX and
Gateways products. The scalability and flexibility of this reference design
and its open source code software allows customers to rapidly customize
and actively deploy a differentiated VoIP gateway product to any market.

Telephony Signaling• DTMF – Detection and Generation, TIA464B• Caller ID – Telcordia/ETSI/NTT Type I/II (on hook / off hook)• Programmable Call-Progress Tones
Packetization• RTP/RTCP Packetization – RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, RFC 4733
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Telephony Support• FXS supported
Media Processing• Up to 32 VoIP channels• Voice Coders - G.711, G.723.1, G.729A/B• Wideband Coders – G.722• Fax – T.38 Relay, Bypass, T.38 over RTP• Echo Cancellation – G.168 compliant, up to 128 msec tail length• Silence Suppression – VAD, CNG• Adaptive Jitter Buffer 300 msec
Telephony Features• 3-way conferencing (on each channel)• Call Forward• Call Hold• Call Transfer• Call Waiting
Data Protocols• IP, TCP, UDP, ICMP, ARP• PPPoE• Layer-2 switching• WAN to LAN Layer-3 routing• DHCP Client/Server – RFC 2132
• NAT – RFC3022, Application Layer Gateway (ALG)• IEEE 802.1p/q QoS (VLAN tagging)
VoIP Signaling Protocols• SIP - RFC 3261, 3262, 3263, 3264, 2327
Configuration/Management• Embedded Web• TFTP• FTP• Telnet• Filesystem support
Operating System• Linux Kernel

Sunflower IPPBX Sample Application

12 | CMBU Chips & Modules Business Unit

* AC5142 - Video Enabling - Roadmap

AudioCodes Enabling Technology Products
ATA and CPE VoIP Gateway
AC48x VoIP DSP
Channel Density• AC483 4 channels Single LBR
Data Functions• Voice/Fax/Data - Automatic Detection and Switching• Fax support – T.38 compliant G3 Fax Relay, 2.4-33.6 kbps or
PCM bypass• Modem support – Automatic switch to PCM for up to V.92 rates● Feature rich DSP for low density gateways with tollquality voice compression● Independent multi-channel operation● Pin compatible devices
The AC48x is an ideal low cost voice processing engine for a variety of Voiceover IP, Voice over DSL and other voice over packet client applications.
The AC48x VoP processor is from one up to four ports voice over packet
processor that combines toll quality low bit rate voice compression, T.38
compliant fax relay and other voice band processing functions. Fieldproven, feature-rich software enables the rapid development and fasttime-to-market of the complete solution.
The AC48x is supported by the VoicePacketizerTM software stack, whichenables the processor to create a VoIP-compliant media stream as partof a client entity. VoicePacketizerTM is an ANSI-C operating system,
independent software stack that supports the RTP/RTCP protocol.
The software stack also provides a simple API for initialization andconfiguration of the AC48x and for run-time call control.

Signaling• Inband Signaling- DTMF TIA 464B
- MF R1, R2• Detection and Generation - User Defined Call Progress Tones• Out of band signaling – CAS ABCD (From Standard Framers)• Caller ID Detection and Generation- Telecordia (Bellcore) On Hook / Off Hook (Type 1 & 2)
- ETSI Onhook and Offhook Service (Type 1 & 2)
- NTT Number Display (Type 1), Name Display
Voice Functions• Voice Coders- G.711 PCM (A / u-law) at 64 kbps
- G.726 ADPCM at 16-40 kbps
- G.727 E-ADPCM at 16-40 kbps
- G.729AB CS-ACELP at 8kbps- G.723.1 MP-MLQ at 6.3 kbps
- G.723.1 ACELP at 5.3 kbps
- GSM 6.10 Full Rate at 13.2 kbps
- G.722• Echo Cancellation - G.168-2004 compliant, up to 64msec taillength• 3-Way Conference - Conferencing of 3 participants fromPSTN or IP• Quality Enhancement - Voice Activity Detection (VAD)- Comfort Noise Generation (CNG)- Packet Loss Concealment (PLC)- Adaptive Jitter Buffer (up to 300 msec)• IPmedia™ Features- Energy and Answer detectors- Packet to packet Transcoding
Packetization• RTP/RTCP – RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, RFC 4733

13 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology Products
ATA and CPE VoIP Gateway
CPE VoIP Toolkit
Channel Density• Up to 4 compressed VoIP channels
Media Processing• Voice Coders - G.711, G.723.1, G.729A/B, G.726, G.722• Fax – T.38 Relay, Bypass• Echo Cancelation – G.168-2004 compliant, 32 msec tail length• Voice Activity Detection (VAD)• Comfort Noise Generation (CNG)
VoIP Signaling Protocols• SIP - RFC 3261, 3262, 3263, 3264, 2327
Packetization• RTP/RTCP Packetization – RFC 3550, 3551
• DTMF Relay - RFC 2833, RFC 4733

● Combined hardware & software reference design for up
to 4 compressed VoIP channels● Ideal add-on VoIP solution for broadband access products
such as FTTx, Cable, xDSL● Superior voice quality at a competitive price● Minimizing risks and allowing quick time to market for
ODMs and OEMs rolling out VoIP-based services
The AC48x CPE VoIP Toolkit is a combined hardware and software VoIP
reference design for up to 4 VoIP channels. This reference design can beused as an add-on VoIP module for CPE broadband products. Utilizing
AudioCodes field-proven VoIPerfect™ software, the AC48x Voice over
Packet Processor (VoPP) and the VoicePacketizer™ Voice over Streaming
Protocol Stack, enables this reference design to offer manufacturers ofbroadband access products a cost-effective, high quality and market
ready solution for the rapidly growing residential VoIP market. The
AC48x CPE VoIP Toolkit hardware is based on the AC48x Voice over
Packet Processor (VoPP) family offering a cost-effective Bill of Materials(BOM) that fully addresses the needs of aggressive market cost demands
The AC48x CPE VoIP Toolkit couples the hardware with complete Linuxsoftware available in source code.
DeviceDSP Clock

Voice Ports

AC483

100 Mhz

up to4AC48x CPE VoIP Toolkit Hardware Design

14 | CMBU Chips & Modules Business Unit

Telephony Signaling• DTMF – Detection and Generation, TIA464B• Caller ID – Telcordia/ETSI/NTT Type I/II (on hook/off hook)• Programmable Call-Progress Tones
Telephony Support• FXS and FXO supported
Telephony Features• 3-Way conferencing (on both channels)• Call Hold• Call Transfer• Call Waiting
Operating System• Embedded LinuxAC48x CPE VoIP Toolkit Software ArchitectureAudioCodes Enabling Technology Products
SMB VoIP Gateway and IP-PBX
AC490 – VoIP DSP
Channel Density• AC49008 – Up to 8 compressed channels• AC49012 – Up to 12 compressed channels
Data Functions• Voice/Fax/Data - Automatic Detection and Switching• Fax support - T.38 compliant G3 Fax Relay, 2.4-14.4 kbps or PCM
bypass• Modem support – Automatic switch to PCM for up to V.92 rates● Feature rich DSP for medium density gateways withsuperior voice quality● Variety of vocoders for various VoIP applications● No external memory required
The AC490xx family of DSPs is an ideal solution for Small Medium Business(SMB) VoIP gateways and IP-PBXs that have an existing CPU or network
processor. Field-proven, feature rich software and a full reference
design, enable the rapid development and quick time to market of thecomplete solution. The AC490xx is based on VoIPerfect™ architecture,
AudioCodes’ underlying, best-of-breed core media gateway technology.

E1 to VoIP sample application using the AC490

Signaling• Inband Signaling - DTMF TIA 464B
- MF R1,R2• Detection and Generation - User Defined Call Progress Tones• Out of band signaling – CAS ABCD (From Standard Framers)• Caller ID Detection and Generation- Telecordia (Bellcore) On Hook/Off Hook (Type 1 & 2)
- ETSI On Hook and Off Hook Service (Type 1 & 2)
- NTT (Type 1 and 2)
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Host Services• HDLC Framing- For CCS signaling (ISDN, V5.2)- MTP2 per Q.703
Software Functionalities• System Features- Selection of vocoders on the fly for each channel- Dynamic packet size programming
Voice Functions• Voice Coders- G.711 PCM (A/u-law) at 64 kbps
- G.726 ADPCM at 16-40 kbps
- G.727 E-ADPCM at 16-40 kbps
- G.729AB CS-ACELP at 8kbps- G.723.1 MP-MLQ at 6.3 kbps
- G.723.1 ACELP at 5.3 kbps
- GSM 6.10 Full Rate at 13.2 kbps
- GSM EFR
- AMR at 4.75-12.2 kbps
- iLBC at 13.33 & 15.2 kbps
• Echo Cancelation - G.168-2004 compliant, 128 msec tail length• 3-Way Conference - Conferencing of 3 participants fromPSTN or IP• Quality Enhancement- Voice Activity Detection (VAD)- Comfort Noise Generation (CNG)- Packet Loss Concealment (PLC)- Adaptive Jitter Buffer (up to 320 msec)• IPmedia™ Features- Automatic Gain Control- Packet-to-packet Transcoding
Packetization• RTP/RTCP – RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, RFC 4733

15 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology Products
SMB VoIP Gateway and IP-PBX
AC501x - VoIP DSP
Channel Density• Up to 8/16/24 compressed channels
Data Functions• Voice/Fax/Data - Automatic Detection and Switching• Fax support – T.38 compliant G3 Fax Relay, 2.4-33.6 kbps or PCM
bypass• Modem support - Automatic switch to PCM for up to V.92 rates● Feature rich DSP with superior voice quality● Variety of vocoders for various VoIP applications● Offers excellent VoIP add-ons for designs with Standalone CPU● Off loading the CPU with Ethernet interface● Pin Compatible Devices
The AC501x family of DSPs is an ideal solution for GPON MDUs,
Small Medium Business (SMB) VoIP gateways and IP-PBXs that havea standalone CPU or network processor. Field-proven, feature richsoftware, and advanced HW architecture that contains Ethernet interface
for off loading the CPU, enable the rapid development and fast time tomarket of the complete solution. The AC501x is based on VoIPerfect™
architecture, AudioCodes’ underlying best-of-breed core media gateway
technology.
DeviceCompressed Channel

HPI

RMII/MII

AC5011

8

V

V

Ext. Memory
DDR2

AC5012

16

V

V

DDR2

AC5015 IND

16

V

V

DDR2

AC5014 IND

22

V

V

DDR2

AC5014

24

V

V

DDR2

Signaling• Inband Signaling- DTMF TIA 464B
- MF R1,R2• Detection and Generation - User Defined Call Progress Tones• Out of band signaling – CAS ABCD (From Standard Framers)• Caller ID Detection and Generation- Telecordia (Bellcore) On Hook/Off Hook (Type 1 & 2)
- ETSI On Hook and Off Hook Service (Type 1 & 2)
- NTT (Type 1 and 2)
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Voice Functions• Major Voice Coders Supported- G.711 PCM (A / u-law) at 64 kbps
- G.726 ADPCM at 32 kbps
- G.729AB CS-ACELP at 8kbps- G.723.1 MP-MLQ at 6.3 kbps
- G.723.1 ACELP at 5.3 kbps
- G.722- G.722.2 WB-AMR- AMR- EVRC- GSM FR 6.10
- Silk- Opus• Echo Cancellation - G.168-2004 compliant, 128 msec tail length• N Way Conference - Conferencing of N participants fromPSNT or IP• Quality Enhancement- Voice Activity Detection (VAD)- Comfort Noise Generation (CNG)- Packet Loss Concealment (PLC)- Adaptive Jitter Buffer (up to 300 msec)• IPmedia™ Features*- Automatic Gain Control- Answer detector- Packet to packet Transcoding
Packetization• RTP/RTCP – RFC 3550, 3551, 2198
• DTMF Relay - RFC 4733, 2833

PON MDU sample application using AC501x

16 | CMBU Chips & Modules Business Unit

AudioCodes Enabling Technology ProductsEnterprise VoIP Gateway
AC491 / AC491L
Channel Density• AC491L32 – Up to 32 compressed channels• AC491064 – Up to 64 compressed channels• AC491096 – Up to 96 compressed channels
Data Functions• Voice/Fax/Data - Automatic Detection and Switching• Fax support – T.38 compliant G3 Fax Relay, 2.4-14.4 kbps or PCM
bypass• Modem support – Automatic switch to PCM for up to V.92 rates● Feature rich DSP for enterprise gateways with superior
voice quality● Variety of vocoders for various VoIP applications● No external memory required
The AC491/AC491L family of DSPs is an ideal solution for enterprise
VoIP gateways - digital and analog. Featuring high channel density (up to
192 channels of non-compressed voice, or 96 channels of compressedvoice), low power consumption (less than 6mW/ch for non-compressedvoice), and low footprint (16x16 mm) with no external memory, theAC491/AC491L provides an ideal building block for enterprise gateways
and IP-PBXs. The AC491/AC491L is based on VoIPerfect™ architecture,
AudioCodes’ underlying, best-of-breed core media gateway technology.

E1 x 4 to VoIP sample application using the AC491

Signaling• Inband Signaling- DTMF TIA 464B
- MF R1,R2• Detection and Generation - User Defined Call Progress Tones• Out of band signaling – CAS ABCD (from Standard Framers)• Caller ID Detection and Generation- Telecordia (Bellcore) On- On Hook/Off Hook (Type 1 & 2)
- ETSI On Hook and Off Hook Service (Type 1 & 2)
- NTT (Type 1 and 2)
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Host Services• HDLC Framing- For CCS signaling (ISDN, V5.2)- MTP2 per Q.703
Software Functionalities• System Features- Selection of vocoders on the fly for each channel- Dynamic packet size programming
Voice Functions• Voice Coders- G.711 PCM (A / u-law) at 64 kbps
- G.726 ADPCM at 16-40 kbps
- G.727 E-ADPCM at 16-40 kbps
- G.729AB CS-ACELP at 8kbps- G.723.1 MP-MLQ at 6.3 kbps
- G.723.1 ACELP at 5.3 kbps
- GSM 6.10 Full Rate at 13.2 kbps
- G.729E at 11.8 kbps
- AMR at 4.75-12.2 kbps
- iLBC at 13.33 & 15.2 kbps
- EVRC Up to 8.55 kbps
- G.722- G.722.2 WB-AMR• Echo Cancelation - G.168-2004 compliant, 128 msec tail length• 3-Way Conference - Conferencing of 3 participants fromPSTN or IP• Quality Enhancement- Voice Activity Detection (VAD)- Comfort Noise Generation (CNG)- Packet Loss Concealment (PLC)- Adaptive Jitter Buffer (up to 300 msec)• IPmedia™ Features- Automatic Gain Control- Energy and Answer detectors- Packet-to-packet Transcoding
Packetization• RTP/RTCP - RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, RFC 4733

17 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology ProductsEnterprise VoIP Gateway
AC503x - VoIP DSP
Data Functions• Voice/Fax/Data - Automatic Detection and Switching• Fax support – T.38 compliant G3 Fax Relay, 2.4-33.6 kbps or PCM
bypass• Modem support - Automatic switch to PCM for up to V.92 rates● Feature rich DSP for enterprise gateways with superior
voice quality● Variety of vocoders for various VoIP applications● Offer excellent VoIP add-ons for designs with Stand-aloneCPU● Off loading the CPU with Ethernet interface● Pin compatible devices
The AC503x family of DSPs is an ideal solution for Enterprise VoIP
gateways and IP-PBXs that have an stand alone CPU or network processor.
Field-proven, feature rich software, and advanced HW architecture that
contains Ethernet interface for off loading the CPU, enable the rapid
development and fast time to market of the complete solution. The
AC503x is based on VoIPerfect™ architecture, AudioCodes’ underlying,best-of-breed core media gateway technology.
DeviceVoice Channels***AC5033160

AC5039 IND

204

AC5039234* Please contact AudioCodes representative for specific software availability and channel density support** Dynmically allocated VoIP channels

Signaling• Inband Signaling- DTMF TIA 464B
- MF R1,R2• Detection and Generation - User Defined Call Progress Tones• Out of band signaling – CAS ABCD (From Standard Framers)• Caller ID Detection and Generation- Telecordia (Bellcore) On Hook/Off Hook (Type 1 & 2)
- ETSI On Hook and Off Hook Service (Type 1 & 2)
- NTT (Type 1 and 2)
Security• SRTP (Secured RTP) per RFC 3711, 128 bit AES, HMAC SHA1
Voice Functions• Major Voice Coders Supported- G.711 PCM (A / u-law) at 64 kbps
- G.726 ADPCM at 16-40 kbps
- G.729AB CS-ACELP at 8kbps- G.723.1 MP-MLQ at 6.3 kbps
- G.723.1 ACELP at 5.3 kbps
- GSM 6.10 Full Rate at 13.2 kbps
- AMR at 4.75-12.2 kbps
- iLBC at 13.33 & 15.2 kbps
- EVRC Up to 8.55 kbps
- G.722- G.722.2 WB-AMR- Silk- Opus• Echo Cancellation - G.168-2004 compliant, 128 msec tail length• N Way Conference - Conferencing of N participants fromPSNT or IP• Quality Enhancement- Voice Activity Detection (VAD)- Comfort Noise Generation (CNG)- Packet Loss Concealment (PLC)- Adaptive Jitter Buffer (up to 300 msec)• IPmedia™ Features- Automatic Gain Control- Answer detector- Packet to packet Transcoding
Packetization• RTP/RTCP – RFC 3550, 3551, 2198
• DTMF Relay - RFC 2833, 4733

18 | CMBU Chips & Modules Business Unit

AudioCodes Enabling Technology Products
VoIPerfect™ Soft DSP Solutions
Channel Density• Up to 4 compressed channels● AudioCodes field-proven VoIPerfect DSP Software
optimized for various host processors● Featuring AudioCodes’ certified and interoperable
VoIPerfect™ SIP application● Ideal VoIP solution for broadband CPEs such as
EPON/GPON ONU, xDSL Residential Gateways and Cable
Set-top box● Complete VoIP application minimizes efforts and risks to
ODMs and OEMs rolling out VoIP products

Media Processing• Major Voice Coders Supported: G.711, G.729A/B, G.723.1, G.726• Wideband Coder: G.722• 3-Way Conference: Up to 4 independent 3-Way conferences• Fax Support: T.38 compliant G3 Fax Relay, Bypass• Echo Cancelation: G.168-2004 compliant, 32 msec tail length• Quality Enhancement:- VAD - Voice Activity Detection- CNG - Comfort Noise Generation- PLC - Packet Loss Concealment- Adaptive Jitter Buffer, up to 300 msec with re-ordering- Configurable Digital Gain
Telephony Signaling• Programmable Call-Progress Tones Detection and Generation• DTMF Detection and Generation• Caller ID Detection and Generation (On Hook & Off Hook):- Telcordia (Type 1 and 2)- ETSI (ETS 300 659-1 and 2)- NTT (Type 1 and 2)
Packetization• RTP/RTCP Packetization: RFC 3550, 3551
• RTP Redundancy: RFC 2198
• DTMF Relay: RFC 2833, RFC 4733
• RTCP XR: RFC 3611 (optional)
VoIP Signaling Protocols• SIP: RFC 3261, 3262, 3264, 2327, 2976
Telephony Support• FXS analog interface
Telephony Features• 3-Way conference• Call Forward• Call Hold• Call Transfer• Call Waiting
Operating System• Embedded Linux, Linux SMTC

VoIPerfectTM Software Architecture

19 | VoIP Processor Solutions Guide

AudioCodes Enabling Technology Products

Notes:

20 | CMBU Chips & Modules Business Unit

AudioCodes Enabling Technology Products

AudioCodes HD VoIPHDVoIP refers to the use of wideband technology, providing deeper clarity and a better audio experience in
VoIP Communications. The traditional Public Switch Telephony Network (PSTN) is limited to 300-3400 Hz for
narrowband voice. Voice signals are sampled at a rate of 8 kHz, causing limitations in communication quality andcomprehension. In HD VoIP, wideband telephony refers to transmitting voice signals with bandwidths ranging
between 50-7000 Hz and a sampling rate of 16 kHz. This effectively doubles the narrowband voice signal
bandwidth and offers the caller “true voice” conversation. Compared to narrowband telephony, wideband
technology establishes a sense of presence, resulting in a natural and comfortable conversation.

About AudioCodes
AudioCodes Ltd. (NasdaqGS: AUDC) designs, develops and sells advanced Voice over IP (VoIP) and converged
VoIP and Data networking products and applications to Service Providers and Enterprises. AudioCodes is
a VoIP technology market leader focused on converged VoIP & data communications and its products are
deployed globally in Broadband, Mobile, Enterprise networks and Cable. The company provides a range
of innovative, cost-effective products including Media Gateways, Multi-Service Business Routers, Session
Border Controllers (SBC), Residential Gateways, IP Phones, Media Servers and Value Added Applications.
AudioCodes’ underlying technology, VoIPerfect HDTM, relies on AudioCodes’ leadership in DSP, voice coding
and voice processing technologies. AudioCodes High Definition (HD) VoIP technologies and products provide
enhanced intelligibility and a better end user communication experience in Voice communications.
International Headquarters
1 Hayarden Street,
Airport City
Lod 7019900, Israel
Tel: +972-3-976-4000
Fax: +972-3-976-4040
AudioCodes Inc.
27 World’s Fair Drive,
Somerset, NJ 08873
Tel:+1-732-469-0880
Fax:+1-732-469-2298

Contact us: www.audiocodes.com/info
Website: www.audiocodes.com©2015 AudioCodes Ltd. All rights reserved. AudioCodes, AC, HD VoIP, HD VoIP Sounds Better, IPmedia,
Mediant, MediaPack, OSN, SmartTAP, VMAS, VoIPerfect, VoIPerfectHD, Your Gateway To VoIP, 3GX and One
Box 365 are trademarks or registered trademarks of AudioCodes Limited. All other products or trademarks
are property of their respective owners. Product specifications are subject to change without notice.
Ref. # LTRM-10019 05/15 V.8