Cloud-Based Phone System for Microsoft Teams

To help businesses maximize their collaboration and remote work capabilities across channels, CBTS has combined its industry-leading unified communications as a service solution with Microsoft Teams. We have created a powerful integration that unifies the Microsoft Teams client with the robust PBX functionality, flexibility, and reliability that enterprises expect.

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Fully Managed Voice for Microsoft Teams

Microsoft Teams Voice from CBTS enables businesses to connect their enterprise users with PBX capabilities, whether that’s through hosted unified communications or SIP trunking, giving our clients advanced functionality they need at a cost savings of 30-60% less than Microsoft Calling Plans.


CBTS Superior Service Delivery

By combining our VoIP communications and Microsoft Teams into a single integrated solution companies can now blend their environments together through a single provider. Whether you want to keep an existing PBX at HQ or you want to move to hosted at some locations with some users on soft clients, it’s all possible with CBTS Microsoft Voice.


CBTS Direct Route

Dial Plan Integration with PBX
Key system emulation on multiple devices
Local Calling Included
Pool Long Distance Usage
Bulk Location Change
Automatic Disaster Recovery
AI-powered IVR & Analytics
Advanced Call Detail Reporting
Call Recording
Mass Notification & Paging
Administrative Portal
Omni-channel Contact Center
API Integration
Total Feature Set

Direct Route with CBTS

  • No porting fees.
  • Local calling included.
  • Pooled long distance usage.
  • Fixed per-user expense.
  • Bundle 0365 licensing with CBTS Direct Route.1
  • Ability to decommission unused data center
  • Dedicated project management included.
1Microsoft E5 license or E3 + MS Phone System License required per user.


  • Microsoft Gold Partner.
  • Expert UCaaS provider with 20+ years experience.
  • Reduce burden on IT and simplify user adoption by integrating Voice into the MS Teams application.
  • Unlimited local and domestic long distance included.
  • Concurrent call paths Included.
  • CBTS-hosted session border controllers.
  • CBTS Managed Service.
  • Implementation including project management.
  • Incident management.
  • Moves, adds, changes & disconnects (MACD).
  • Device-as-a-Service offerings including analog.
  • Microsoft Licensing reseller.
  • Predictable OpEx model.
  • Automatic disaster recovery.
  • 24x7x365 U.S.-based UC support and business continuity.
  • Contact-Center-as-a-Service options.

Microsoft Cloud Solution Provider

CBTS is a Cloud Solution Provider with extensive working knowledge of Microsoft solutions and products. This allows us to provide customers with an end-to-end Microsoft cloud experience and expert support.

CBTS has experience in Microsoft application development, cloud platforms, cloud productivity, collaboration, data center integration, Office 365, and more.

CBTS has access to more than 85 certified Microsoft professionals and more than 2,000 engineers capable of designing and implementing high-end cloud frameworks.


Talk to Sales about Microsoft Teams Voice.