Enterprise Voice, Seamlessly Integrated
CallTower’s Microsoft Teams Call Paths transform Teams into a complete communication platform by integrating enterprise-grade telephony directly into Microsoft Teams. Designed for organisations with complex communication requirements (especially high-DID environments such as hospitals, schools, call centres, and multisite enterprises) CallTower’s Call Paths deliver scalable, reliable calling without the need for a separate phone system.
By the Numbers
15+ years enabling Microsoft voice solutions
Global PSTN coverage across multiple countries
Trusted provider for enterprisegrade Microsoft Teams voice deployments
Built for Enterprise Voice
CallTower’s Microsoft Teams Call Paths deliver direct PSTN connectivity within Teams, pairing Microsoft’s collaboration platform with carrier-grade voice infrastructure and deep deployment expertise.
OCS → Lync → Skype for Business → Microsoft Teams
Direct PSTN integration for Microsoft Teams
Purposebuilt for high-DID, complex communication environments
Enterpriseready for multisite, multicountry organisations
Trusted by enterprises with mission-critical voice requirements
Lower Deployment Risk • Faster Migrations • Enterprise Credibility
More Than the Basics
CallTower extends Microsoft Teams Call Paths with advanced capabilities designed for high-demand environments:
Direct PSTN calling inside Microsoft Teams
Scalable DID management for hospitals, schools, and call centres
Advanced analytics and call performance insights
Seamless CRM and workflow integrations
Higher Call Quality • Better Visibility • LongTerm Success
White Glove Deployment
Complex Teams voice environments require expert execution. CallTower manages Microsoft Teams Call Paths endtoend:
Custom call path design and configuration
Dedicated project management
Global number provisioning and DID scaling
Admin and enduser training with 24x7x365 expert support
Fewer Escalations • Faster GoLives • Predictable Outcomes
Resiliency Built In
CallTower engineers resiliency directly into Teams Call Paths to protect always-on operations:
Call path failover
DID failover to mobile or alternate endpoints
Business continuity during Microsoft or carrier outages
Operational Resilience • Business Continuity • AlwaysOn Voice
Why CallTower for Microsoft Teams Call Paths
CallTower understands the demands of organisations with intricate communication infrastructures. From hospitals and school districts to high-volume call centres, CallTower’s Microsoft Teams Call Paths simplify operations, enhance collaboration, and scale with your organisation- backed by proven reliability, customizable solutions, and alwayson expert support.