Patton and Microsoft Teams Direct Routing: Together Better Stronger!

August 12, 2021 by Ying-Hui Chen

Did you join our Patton webinar this week? If you didn’t, don’t miss out on this webinar recap! Our partner at Patton talked about how Patton and Microsoft Teams Direct Routing work together to bring a stronger solution to customers. Let’s check out some key takeaways:

Download Webinar Slides Here.

What is Direct Routing? What does it do?

  • Direct Routing allows you to connect a certified session border controller (SBC) to the Microsoft Phone System service 
  • With this feature you can access, with the Microsoft Teams client, the switched network and other SIP business telephony services 
  • Communications are secure at the signaling (SIP-TLS) and media (SRTP) level

What Patton devices are certified for Microsoft Teams?

There are several eSBCs models that are certified with Teams Direct Routing so far including the SN5500, SN5530, SN5540, SN5550, and SN5570. Look at this chart below for a comparison:

Non-Media Bypass Use Cases 

All-IP Direct Routing 

  • SIP Trunk & 
  • On premise IP PBX integration 
  • SIP Security 
  • SIP Normalization 
  • Call Quality monitoring & ale

Hybrid Direct Routing 

  • Integration of 
    • On premise IP PBX 
    • SIP Trunk 
    • Legacy PBX / Telephony equipment
  • SIP Security 
  • SIP Normalization 
  • Call Quality monitoring & alerting


  • PSTN Failover 
  • Priority Call service for Emergencies 
  • Local SIP Registrar 
    • Station to Station call

Centralized SBC

  • Ideal for Hosted Service Providers 
  • No HW required on Customer Prem. 
  • Scalable Solution in MS Azure Cloud 
  • Direct Routing Support 
  • ITSP SIP-Trunk integration 
  • SIP Normalization & Interop 
  • Secure VoIP using VPN to Enterprise 
  • Optional: vSBC to terminate VPN links

About Patton Cloud

Be sure to also check out Patton Cloud, a new and revolutionary service to accelerate and aid service providers and managed service organizations (MSOs).

  • Management – Software License, Alarming & Notification, CPE Supervision, Config Management 
  • Customer Service Aid – Remote Troubleshooting, Warranty Management, Configuration adaptation
  • Provisioning – Zero Touch, Cloud Wizard Easy Install, Install Progress Monitoring
  • Integration – OSS/BSS, Business Process integration, more efficiency and less problems

That’s not all! Patton’s eSBCs come with more features and benefits, from legacy equipment integration, zero touch provisioning, to IP Routing and more. Download our presentation slides here to see in detail. 

Visit our Patton page to learn more about Patton’s eSBCs!

More features:

Patton Webinar Q&A

  1. How does the Teams vrs software license work? Is it separate?

 No, there’s only one Teams license. You only need to buy one license for both.

  1. How does the zero-touch provisioning work? Doesn’t someone have to touch the box to plug it in and connect cables?

Yes the physical cable must be connected by someone, but everything can be done remotely. “Zero touch” means no service provider or integrator needs to do the configuration. All you need to do is to connect the box, and turn the power on.  

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