Overview Of Enterprise Access Service; Basic Concepts - Huawei SmartAX MA5603T Configuration Manual

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SmartAX MA5600T/MA5603T/MA5608T Multi-service

Access Module

Commissioning and Configuration Guide

13.1 Overview of Enterprise Access Service

This topic describes the basic knowledge about the enterprise access service. Before configuring

the enterprise access service, you are advised to learn about the basic knowledge.

The enterprise access solution involves multiple concepts. This topic describes the basic

concepts by layers (from the user side to the network side) based on an enterprise access service

network diagram.

Network Diagram of Enterprise Access Service

Digital Terminal

Issue 01 (2014-04-30)

Enterprise Side

IP private branch exchange (PBX) is an IP-based enterprise telephone

exchange system. IP PBX uses ICT technology to seamlessly integrate

voice communication into the data communication network of an

enterprise, simply network architecture, and provide better voice

communication between branches of the enterprise.

PRA PBX, that is, TDM PBX, also called a switch, is a telephone

exchange used within an enterprise. With the PRA PBX, staff in the

enterprise can use internal telephones to make free calls by dialing short

numbers. Outgoing calls are made through a unified trunk. PRA PBX

can lower costs and improve work efficiency for the enterprise.

Huawei Proprietary and Confidential

13 FTTO Configuration (Large-sized Enterprise Access)

Network Side

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