Avaya BCM 2.0 Programming Guia do Utilizador descarregar pdf (Página 349)

Appendix A: Network Examples 349

P0911588 Issue 01 Enterprise Edge 2.0 Programming Operations Guide

In this network, only the head office has trunks connected to the public network.

Thebranch officesaccess thepublicnetwork using IPtrunks tothe head office.This

configuration allows for cost savings by consolidating the public access trunks.

Users at all three locationsaccess the public network by dialing‘9’, followed by the

public number. For example, a user in the west end branch might dial 9-555-1212

(for a local call) or 9-1-613-555-1212 (for a long distance call). These public calls

are routed to the Meridian 1 by the Enterprise Edge routing table. Routing tables at

the Meridian 1 will then select an appropriate public facility for the call.

Private network calls are made by dialing a 4-digit private network DN. For

example, if a user in the west end branch wishes to call a user in the east end branch

within the private network, they dial 6221.

Note: The quality of the IP trunk connection is assessed during initial call setup,

and if the quality is poor, Enterprise Edge will try to find an alternate route to

complete the call based on the fallback programming definitions in the routing

table. For simplicity, this example does not show programming for fallback.

Therefore, in this example, if the quality of the IP connection is low during the call

setup phase, the call will be maintained at that quality. For an example of fallback

programming, see Toll bypass with Enterprise Edge VoIP Gateway on page 351.

Note: Enterprise Edge VoIP Gateway requires a software keycode.

VoIP Gateway and M1 Networking

The Call Managers examine the Called Party Number digits and route the call to the

corresponding IP address.

Enterprise Edge

West end Branch

I.P. Address 192.1.1.2

Network # 2221

Received # 2221

Internal # 2221

Network # 221

Received # 221

Internal # 221

Central

Office

Enterprise Edge

East end Branch

I.P. Address 192.1.1.3

PRI

(public protocol)

Meridian M1

DN: 4221

I.P. Address 192.1.1.4

IP IP

WAN

Remote Gateway Configuration:

West end:  192.1.1.3

4 192.1.1.4

9 192.1.1.4

East end: 2 192.1.1.2

4 192.1.1.4

9 192.1.1.4

1 2 ... 344 345 346 347 348 349 350 351 352 353 354 ... 445 446

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