Simplify Voice Across Every Platform

One partner. One interface. Full PSTN reach.
Support your customers’ UC and CX strategies with confidence.

 ✅ Why Resellers Choose CallTower

One PSTN provider for Microsoft Teams, Webex, Zoom, and more

With CallTower partner enablement, resellers can:

  • Voice delivery across all major UC and contact centre platforms

  • Seamless number management through a single pane of glass

  • Hassle-free migrations without porting delays

  • Global PSTN access in 100+ countries

  • Support for mobility, analytics, compliance, and contact centre integration

All backed by 24/7/365 support and the ability to white-label the service for your customers.

Sign up to receive the CallTower partner briefing pack →

Includes access to CloudBoost’s free AI-powered tools.

🔍 What Makes CallTower Different?

A flexible solution for a fragmented UC landscape.

Most partners already support multiple platforms. What they often lack is a consistent, scalable way to deliver PSTN across them — especially for multinational customers.

CallTower’s solution is built for:

 

  • Multi-vendor environments: One telephony framework across Teams, Webex, Zoom and more.

  • Multi-country operations: Compliance-ready PSTN in 100+ countries with support for emergency services.

  • Operational simplicity: A unified portal to quote, deploy, and manage all services — including number inventory, call plans, and reporting.

  • Partner enablement: Add value with analytics, mobility, call recording, contact centre integration and more.

No need to replace existing voice arrangements in-country — just use CallTower where reach, scale or service flexibility matter most.

Mobilise Your Collaboration Offer

More and more customers want mobile-first communication that works as seamlessly as the office phone — no extra apps, no switching devices.

CallTower enables native mobile calling for both Cisco Webex Go and Microsoft Teams Phone Mobile, making it easy for users to make and receive business calls directly from their personal mobile device — using their business number, with full enterprise control.

Whether your customers are hybrid, frontline, or always on the move, CallTower’s mobile solutions give you a powerful way to meet the demand — and unlock new value.

Webex Go

CallTower is a Cisco Certified Mobile Calling Provider, offering fast deployment of Webex Go with full integration into Control Hub.

• Use the native mobile dialler

• Business number, personal device

• Enterprise-grade security and compliance

Learn more

CallTower also enables native mobile integration with Microsoft Teams, giving mobile users a consistent Teams Calling experience without app switching.

• Seamless user experience

• Ideal for BYOD environments

• Rapid rollout and provisioning

Learn more

🤖 CloudBoost: Smarter Tools for Smarter Selling

CloudBoost makes enablement easy – and free.

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🤖 Ask-the-Expert: An AI assistant to help you navigate UC and CX sales conversations

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