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Discover a comprehensive Solutions Center hub with resources, documentation, and expert guidance for all your business communication needs.

Access our dedicated customer service team around the clock, every day of the year. Get immediate assistance when you need it most.

Stay informed with real-time service updates, maintenance alerts, and important system notifications to keep your business running smoothly.

Monitor live system performance updates and network health metrics to ensure optimal communication service delivery across all platforms.

Technical support escalation for critical issues

Project implementation and deployment issues

Sales inquiries and contract negotiations

Billing disputes and account management

Strategic account growth and optimization

There is no better relationship in the industry than ones CallTower has with its partners. Here are just a few things that make working with us truly awesome.

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At CallTower, we consider our channel partners as family, valuing successful relationships through excellent support and financial rewards.

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Discover Are benefits of our Agency Partner Program for your business. Unlock revenue streams, scalable growth, and extensive support.

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CallTower's MSP Partner Program empowers service providers by simplifying taxation and enhancing efficiency through tools including the GTx self-service platform.

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Global Teams Phone System

Global Microsoft Teams Phone System

Overview

CallTower’s multinational Microsoft Teams Phone System unifies global communications onto a single platform. It provides a secure, unified global phone system for Microsoft Teams, covering over 85+ countries with competitive international call plans. This system allows businesses to:

  • Communicate using a single provider and platform.
  • Connect calls to landlines, mobiles, or international destinations.
  • Manage business communications from a single, integrated platform.

Key Features

1. Unified Global Communication

  • Single Business Number: Make calls to landlines, mobiles, or international destinations from a dedicated geographic number.
  • Number Portability: Keep existing PSTN phone numbers or allocate new ones.
  • Global Reach: Available in over 85+ countries with geographic DIDs (Direct Inward Dialing).

2. Collaboration Tools

  • Chat, Meetings, and Video Calls: Communicate seamlessly inside and outside your organization.
  • File and Screen Sharing: Collaborate effectively with integrated tools.
  • Multiparty Meetings: Host audio and web conferences.

3. Enterprise-Grade Voice Services

  • Optimized Network for Voice: High-quality call routes with multiple layers of redundancy.
  • Direct Azure Connection: Low latency and high control for global calls.
  • 24 Global Points of Presence (POPs): Ensures low-latency pathways for exceptional call quality.

Benefits of CallTower’s Multinational Microsoft Teams Phone System

  • Network Optimization: Designed specifically for voice traffic.
  • Scalability: Easily grow or contract to meet business needs.
  • Cost-Effective: Affordable domestic and international rates.
  • Redundancy: Multi-redundant global links for reliability.
  • 24/7/365 Support: Always available for assistance.
  • Rapid Deployment: Agile platform for quick global rollouts.
  • Geographic DIDs: Available in 100+ countries.
  • Portability: Keep your existing numbers.

Why Choose CallTower?

  • Global Reach: Voice infrastructure in major business centers worldwide.
  • Superior Call Quality: High-quality international routes with low latency.
  • Comprehensive Support: 24/7/365 assistance for seamless communication.
  • Integrated Platform: Combines global voice with Microsoft’s cloud collaboration tools.

Global Direct Inward Dialing (DID) Availability

CallTower provides geographic or local numbers in over 85+ countries, with more being added regularly. Where numbers are unavailable, alias numbers can be generated.


About CallTower

CallTower specializes in:

  • Unified Communications as a Service (UCaaS).
  • Collaboration and Contact Center as a Service (CCaaS).
  • Conversational AI (CAI) technologies.
  • End-to-End Professional and Managed Services.

CallTower’s innovative and scalable solutions empower businesses to connect, collaborate, and grow with ease. Their expertise ensures seamless communication, optimized IT infrastructure, and exceptional customer experiences.

Global Teams Phone System