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In this section:

Table of Contents

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

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Prerequistes

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SBC

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Network Configuration Summary - ISDN to TLS SIP Server

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1ISDN to TLS SIP Server

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Configuration Steps

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The Lync Wizard Task

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1Lync Wizard Task

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Media Configuration for TCP/RTP

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Configure the Media and TLS profile for the ISDN to TLS SIP Server call

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1TLS Media Configuration Flow

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:

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

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TLS Reuse Parameters.

In the destination Signaling Group:

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7. Set the Media List entry.

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8. Set the Federated FE/SBA FQDN and port:5067/protocol:TLS/TLS Profile.

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9. Set the SIP Server Table entry.

Call Routing Configuration

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Configure a call route from ISDN to the TLS SIP Server

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1ISDN to Lync Call Routing Configuration Flow

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as follows:

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

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, enable transcoding, and

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configure the appropriate media list entry.

In the Ingress SG:

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3. Verify/Set the Call Route Table and

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incoming ISDN port.

Other Important Information

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

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Click here to download the full size diagrams from this article

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