Avaya BCM450 Guía de configuración descargar pdf (Pagina 6)

NC; Reviewed:

10/01/2010

Avaya BCM Solutions Test Lab

Application Notes

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ConfiguringSIPTrunkingSkype-BCM6

Page 6 of 14

4.0 Overview

Figure 4-1 shows a typical deployment of a SIP trunk between BCM R6 and Skype. In the deployment,

a SIP unaware layer 3 device with NAT and firewall is deployed between the BCM and Skype. The IP

address assigned to the BCM and all IP phones is private and since Skype does not support remote

NAT compensation, the BCM is configured to compensate for the presence of the local NAT.

Figure 4-1 SIP Trunking between BCM and Skype

Public Internet

PSTN

SMB network protected by a NAT/FW

with BCM on the LAN

NAT/FW

Skype

Local NAT

Compensation

Skype SIP

Trunk

Phone

TDM Phone

BCM

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Avaya BCM450 Guía de configuración Pagina 6