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Microsoft Direct Routing Calling Services

Migrating your existing PBX or adding voice services to Microsoft Teams shouldn’t be a pain in the you-know-what.

The most complete Microsoft Direct Routing Calling Services.

No BS. No surprises. No hassle.

PSTN Calling in Any Country

Fully managed PSTN for all your locations, eliminating the hassle of negotiating and managing multiple contracts, providers, and support processes.

Configuration & Provisioning

Expert advice and intuitive provisioning software that gets you up and running fast and enables your help desk to take the day-to-day tasks off your plate.

E-911 Compliance

Properly configured and error-free Dynamic E-911, including full compliance with Ray Baum’s Act and Kari’s Law in the USA.

MS Teams Voice Calling Options Compared

Only Stack8 delivers a fully managed and hassle-free Microsoft Direct Routing experience

Calling in Microsoft Teams is not a hassle with the right partner

Make Informed Decisions

Stack8 deploys, supports, and manages your entire Microsoft Phone System with zero hassle so you can make informed decisions with confidence.

Mitigate Risk & Complexity

Stack8 mitigates the risk and complexity so you can connect your Cisco PBX to MS Teams and keep your phones with virtually no downtime.

Manage & Support Any System

Stack8 handles all the heavy lifting and provides simple self-service tools so you can enjoy the most hassle-free experience in the industry.

Say goodbye to complicated templates and PowerShell scripts

SMACS Microsoft Teams

With a few clicks, you can license a user, assign an available phone number, and assign the correct policies, like emergency calling.

And because there’s no need for PowerShell, complex templates, or even having to access Microsoft Teams Admin Center, you can offload these routine tasks to your Help Desk with confidence.

5,000 employees

40 locations

3 days

0 hassles

Sierra Nevada Corporation logo

“Stack8 took the hassle out of setting up calling in Microsoft Teams. Their expertise with Cisco made the transition to Teams just as easy.”

AARRON MACIAS, Senior VoIP Engineer

Ready to make your unified communications hassle-free?