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PDF AC491xxx Data sheet ( Hoja de datos )
| Número de pieza | AC491xxx | |
| Descripción | Voice Over Packet Processor | |
| Fabricantes | AudioCodes | |
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Auwdwiwo.DCataoShdeeet4dU.TcMomEnabling Technology Products
AC491xxx High Density Voice over Packet Processor
¥ No need for external memory
¥ Low per-channel cost, power and footprint
¥ Field-proven reference designs
¥ Proprietary evaluation & development tools
The AC491xxx family of DSPs is an ideal solution for high density, carrier
class Voice over IP gateways. Featuring high channel density (up to 240
channels of non-compressed voice, or 120 channels of compressed voice),
low power consumption (less than 5 mW/ch for non-compressed voice), and
low footprint (16x16 mm) with no external memory required, the AC491xxx
provides an excellent building block for high density gateways. Field-proven,
feature rich software and reference design, enables the rapid development
and fast time-to-market of the complete solution.
Deliver Feature-Rich Technologies
The AC491xxx voice over packet processor combines up to 120 channels of
toll quality low bit rate (LBR) voice compression or 240 G.711 channels, which
are processed with an improved G.168-20021 compliant echo canceller
(configurable tail length of up to 128 msec). Other voice quality enhancers
include Adaptive Voice Activity Detection, Comfort Noise Generation and
Adaptive Jitter Buffer. Field-proven G3 Fax Relay, compliant with the T.38
ASN.1 standard, is a major enhancement to the AC491xxx offering. The Fax
Relay, that can withstand delays of up to 10 seconds in the network, has
passed several interoperability tests with major OEMs in the world, and was
tested with numerous fax machines. The Fax Relay functionality does not alter
the channel density.
Enhance System Solutions
The AC491xxx also provides RTP/RTCP Packetization and DTMF relay, or AAL2
Packetization. This feature offloads the Packet Processor from such tasks.
RTP Packets may be optionally encrypted according to state of the art encryption
algorithm AES. The AC491xxx also offers a new set of media processing
technologies, such as fast/slow voice playback, automatic gain control, energy
detector, and packet to packet Transcoding (LBR to PCM in one channel).
These features enable developers of Media Server Platforms to exploit
AudioCodes' vast experience in the voice over packet market for significantly
shortening their time-to-market.
Field-Proven Reference Design
By using the AC491xxx in its other high density applications, AudioCodes has
the unique capability to offer its VoP Processor customers field-proven reference
designs, which are used and tested by customers throughout the world.
The AC491xxx offers an easy to integrate Utopia Level 2 interface for media
packets, which is suitable for many popular Network Processors. For control
packets, an Enhanced HPI interface is used. Suitable drivers are supplied
with the AC491xxx for fast software integration.
AC491xxx Features
7 Wireline, wireless & cable low bit rate Voice Coders
7 G.168-2000 (future: G.168-20021) compliant Echo Canceller
7 T.38 compliant Fax Relay (does not reduce LBR density)
7 In-Band Signaling, international caller ID support
7 IPmediaTM features
7 PacketCable media encryption (AES)
7 Adaptive Jitter Buffer
7 RTP/RTCP Packetization
1 Standard pending ITU final approval
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet AC491xxx.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
| AC491xxx | Voice Over Packet Processor | AudioCodes |
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