AT&T IP Flexible Reach Service
Nortel BCM50 Release 3.0 SIP Configuration Guide
1 Introduction
This document provides a configuration guide to assist Nortel Networks BCM50 administrators in connecting to AT&T IP Flexible Reach service via SIP trunks.
This document does not describe procedures to configure the BCM50 for advanced functionality. For more information and procedures, please refer to the Nortel technical documentation found on the Nortel website.
1.1 Pre-IP PBX Configuration Activity
This guide assumes that the administrator is knowledgeable in IP PBX programming and operations.
An important tool that the administrators should have at their disposal prior to testing their IP PBX with IP Flexible Reach is a network protocol analyzer. Such software can be used to run traces on problem calls so the information can be shared with equipment and network engineers. There is a free version of such software that can be obtained at http://www.wireshark.org/.
A second alternative that customers may use is TCPDUMP which can be found on most UNIX and Linux systems. To use this software the customer should have Wireshark or TCPDUMP loaded on a server that is connected to a LAN switch or hub that can monitor both the signaling and media packets on any calls between the customer PBX and the IP Flexible Reach managed router. Please note, however, that AT&T does not offer, warrant, or support this software, and any use of the Wireshark or TCPDUMP software is entirely at the customer’s own risk.
1.2 Customer Questions
Section 4 of this guide provides screen shots and instructions for the configuration of your IP PBX. Should you have questions regarding these instructions, please contact Brian Stegemoller at +1 (972)
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