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AudioCoded Enabling Technology Products
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VoicePacketizer Voice over IP Streaming Protocol Stack
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AudioCodes' VoicePacketizer is a highly portable ANSI C language software
application library implementing RTP/RTCP encapsulation per RFC
1889/1890/2198/2833. It has been tested to be compatible with most of
the popular communication processors and embedded operating systems.
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VoicePacketizer 1.xx Schematic Diagram
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The VoicePacketizer is compliant and easy to integrate with the widely
OS
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available software stacks (e.g. H.323, SIP). The VoicePacketizer typically
IP Network
Users Application
runs on the master communication processor of a VoIP gateway, access
multiplexer, or other packet network access or switching equipment.
RTP/RTCP RTP/RTCP
decoder
encoder
Easy Integration to Gateway Application
A VoIP gateway application consists of two main components: a call setup
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and signaling module and a stream processing module. The two are linked
VoicePacketizer
Stack
Jitter Buffer
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by the application layer. The VoicePacketizer provides all stream processing
functions while the call setup and signaling modules can be purchased from
third party. The standard RTP/RTCP is extended to support a variety of voice
coders: G.711. G.726, G.727, G.723.1, G.729A/B and the NetCoder as well
as G3 fax relay (based on T.38) and DTMF relay (RFC 2833). The
AC48xx Drivers
Interrupt
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VoicePacketizer provides also the API for all DSP functionalities: Download,
PCM
Voice/Fax
Initialization and Setup, and run time configuration.
Convenient Functions for Fast Start-up
Voice/Fax Packets
AC48xx
Convenient Functions are a small set of functions, providing users with
simplified API containing larger building blocks to enable quick application
construction. Using the Convenient Functions, users do not need to directly
use the Initialization and Setup functions, AC48xx driver functions and most
of the Media Streaming Functions. These functions may also serve as a
VoP Processor
¥ Enables fast integration of VoP processors
¥ Minimizes development risks
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reference code in case users want to use the basic VoicePacketizer stacks
function set. An application demo program is provided to show how to use
the Convenient Functions.
¥ Field-proven in real networks
Benefit from Extensive Experience
AudioCodes is one of the world's leading providers of VoP 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.