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Table of Contents
Notice ................................................................................................................................ iv
WEEE EU Directive ......................................................................................................................... iv
Customer Support ......................................................................................................................... iv
Stay in the Loop with AudioCodes ................................................................................................. iv
Abbreviations and Terminology ..................................................................................................... iv
Related Documentation .................................................................................................................. v
Document Revision Record ............................................................................................................. v
Documentation Feedback .............................................................................................................. vi
1 Introduction .................................................................................................................1
1.1 About Microsoft Teams Direct Routing ................................................................................ 1
1.2 About AudioCodes SBC Product Series ................................................................................. 1
1.3 Validated AudioCodes Version ............................................................................................. 2
2 Topology Example ........................................................................................................3
2.1 Enterprise Model Implementation ....................................................................................... 3
2.2 Environment Setup ............................................................................................................... 4
2.3 Infrastructure Prerequisites.................................................................................................. 5
3 Configuring Teams Direct Routing .................................................................................6
3.1 Prerequisites ......................................................................................................................... 6
3.2 SBC Domain Name in the Teams Enterprise Model .............................................................. 6
3.3 Example of the Enterprise Office 365 Tenant Direct Routing Configuration ........................ 8
3.3.1 Adding New SBC to Direct Routing ..................................................................................... 9
3.3.2 Adding Voice Route and PSTN Usage ................................................................................ 11
3.3.3 Adding Voice Routing Policy ............................................................................................. 13
3.3.4 Enabling Online User ........................................................................................................ 14
3.3.5 Assigning Online User to the Voice Routing Policy ............................................................ 14
3.3.6 Configuring with User Management Pack 365 (Optional) ................................................. 14
4 Configuring AudioCodes' SBC ...................................................................................... 15
4.1 SBC Configuration Concept in Teams Direct Routing .......................................................... 15
4.2 IP Network Interfaces Configuration .................................................................................. 16
4.2.1 Configuring VLANs ............................................................................................................ 17
4.2.2 Configuring Network Interfaces ........................................................................................ 18
4.3 SIP TLS Connection Configuration....................................................................................... 19
4.3.1 Configuring the NTP Server Address ................................................................................. 19
4.3.2 Creating a TLS Context for Teams Direct Routing .............................................................. 20
4.3.3 Generating a CSR and Obtaining the Certificate from a Supported CA .............................. 21
4.3.4 Deploying the SBC and Root / Intermediate Certificates on the SBC ................................. 23
4.4 Method for Generating and Installing the Wildcard Certificate ......................................... 25