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Table of Contents

About this Page

This document details the steps and inter-related parameters to establish an ISDN to SIP Server configuration using TLS transport.

Prerequistes

Assumes the user is familiar with navigating the SBC 1000/2000's WebUI

SBC Network Configuration Summary - ISDN to TLS SIP Server

Figure : ISDN to TLS SIP Server

 

Configuration Steps

The Lync Wizard Task

The configuration process of an SBC should always begin with running a wizard. However, the wizard only needs to be run for the very first configuration.

Figure : Lync Wizard Task

 

Media Configuration for TCP/RTP

Use the following diagram and the steps to configure the Media and TLS profile for the ISDN to TLS SIP Server call.

Figure : TLS Media Configuration Flow

 

Media Configuration Steps

1. Ensure there is a media profile for your preferred codec
2. Review the Crypto Profile
3. Verify the Media list for Media and Crypto Profiles
4. Verify the TLS Profile

In the SIP Server Table:
5. Add a SIP Server Host for the FE/SBA FQDN and set the TLS profile
6. Set the SIP Options and the (7) TLS Reuse Parameters

In the destination Signaling Group:
8. Set the Media List entry
9. Set the Federated FE/SBA FQDN and port:5067/protocol:TLS/TLS Profile
10. Set the SIP Server Table entry

Call Routing Configuration

Use the diagram and steps to configure a call route from ISDN to the TLS SIP Server.

Figure : ISDN to Lync Call Routing Configuration Flow

 

 

Call Configuration Steps

1. Create a translation table/entry to perform any necessary number translations
2. Create a Call Route entry. Configure the translation table name and Egress SG configured from the previous page; (3) enable transcoding and set the appropriate media list entry .

In the Ingress SG:
4. Verify/Set the Call Route Table and (5) incoming ISDN port

Other Important Information

You will still need to configure the SBC for the appropriate certificates in order to complete TLS calls.

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