Next Generation Fixed Mobile Convergence
The Tango Extend service turns any mobile phone into a full-featured extension of your business UC platform.
The Business SIM for App-Free Mobile UC
Tango Extend is a dedicated business eSIM that integrates any mobile phone with your enterprise unified communications platform – without requiring any apps.
Employees make and receive business calls using their phone's native dialer with their business number. All calls are automatically integrated with Microsoft Teams, Cisco Webex, or other UC platforms.
This is next-generation Fixed Mobile Convergence – delivering true business-class mobile communications with enterprise-grade control, compliance, and analytics.
Why Tango Extend?
- ✓No apps – works with native dialer
- ✓Full UC platform integration
- ✓Business and personal separation
- ✓Call recording for compliance
- ✓Global coverage in 40+ countries
- ✓eSIM for fast provisioning
Key Benefits
App-Free Experience
No apps to install, manage, or update. Tango Extend works through the native dialer for the best possible user experience.
Enterprise Control
Full IT control over business mobile communications including call recording, compliance, and analytics.
Global Reach
Available in 40+ countries with local numbers and international calling plans through a single platform.
Instant Deployment
Deploy in minutes with eSIM technology. No hardware, no apps, no complex configuration required.
BYOD Ready
Works on employee-owned devices with full separation of personal and business communications.
UC Integration
Seamless integration with Microsoft Teams, Cisco Webex, and other unified communications platforms.
What is Fixed Mobile Convergence?
Fixed Mobile Convergence (FMC) is the integration of fixed-line and mobile telephony into a single, unified business communications service. The goal is straightforward: an employee's mobile phone should behave exactly like their desk phone — same business number, same dial plan, same recording and compliance controls, same UC features.
For two decades, FMC has been held back by clunky implementations: dual-mode handsets, dedicated apps, Wi-Fi/cellular hand-off, or PBX gateways that bolt mobile onto fixed-line infrastructure as an afterthought. The result was patchy call quality, poor user adoption, and a permanent gap between mobile communications and the rest of the UC estate.
Tango Extend is next-generation FMC, delivered through a business eSIM and direct carrier-network integration. Calls run natively on the cellular voice channel — no app, no Wi-Fi dependency — and arrive in Microsoft Teams, Cisco Webex, or your contact-centre platform with full UC identity, call recording, and analytics intact.
Frequently asked questions
Experience Next Gen Fixed Mobile Convergence
Join the businesses already using Tango Extend for app-free mobile UC.