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250-0800-06, Version A
D I T E C H N E T W O R K S
w w w . d i t e c h n e t w o r k s . c o m
Introduction
Packet Voice Processor Commands Manual
The Packet Voice Processor enables service providers to reach the largest set of
customers by permitting them to accept most packet-based media formats. These
media formats can be generated from a variety of VoIP terminals connected through
a diversity of IP networks such as corporate LANs, consumer broadband access
networks over DSL and cable, as well as mobile IP access through wireless
technologies such as 802.11, 3G, and other technologies.
1.1.1 PVP Hardware Components
The Packet Voice Processor consists of the following hardware components:
Packet Voice Processor shelf chassis - Includes 14 card slots, shelf control
modules, blower modules, and redundant power feeds.
Interface Processing cards (IPCs) - These cards connect the Packet Voice
Processor to the media network. Each Interface Processing card contains two
Gigabit Ethernet Interface daughter cards providing 1000Base-T, 1000Base-
SX, or 1000Base-LX Ethernet. Each Interface Processing card also contains
a network processor. The network processor on the IPC classifies and routes
certain specific in-band signaling packets (for example, PING or trace route
packets) to the call processor on the SCC.
Media Processing cards (MPCs) - These cards contain the DSPs to process
the various media flows. These cards provide the media transcoding, voice
quality monitoring, and voice quality enhancement through VQA™ and IPR™
technologies.
Switch Control cards (SCCs) - These cards connect the Interface Processing
cards with the Media Processing cards, as well as provide system
management, call processing (call control and signaling), and the timing
module for the Packet Voice Processor system. The card faceplate includes
the 1000Base-T Signaling interface.
Application Processing cards (APCs) - These cards provide additional general
purpose computing resources in the PVP. These additional computing
resources can be used for SIP call processing (increasing the number of calls
per second processing), voice quality measurements, or to implement other
PVP features.
displays the interrelationship among the four PVP card types.
The Interface Processing cards connect the PVP system to the IP network. The
Switch Control card connects the Interface Processing cards to the Media
Processing cards where voice processing occurs. The Application Processing cards
connect to the Switch Control cards to provide additional computing resources.
Содержание Packet Voice Processor
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