Microsoft Direct Routing Calling ServicesMigrating 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.
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.