Don’t Settle for Consumer Grade Mobile Service
Desk Phones use a Landline business number and are fully integrated into the enterprise UC system. Until now, there have been few solutions to provide employees working outside the office with similar services.
Almost all company-provided mobile phones are not integrated to the Enterprise UC platform. Unlike Desk Phones with Landline numbers, calls to and from mobile numbers are not subject to corporate policies or controls.
Tango Extend is a custom designed global mobile network for businesses, which addresses this problem by integrating the mobile service with your existing UC platform. It enables you to take existing landline and mobile numbers and use them on company-provided or on their own mobile devices, just by adding a Tango Extend eSIM. All calls, including Text Messages are under your control – and UC features such as Call Hold, Voicemail and Presence are available – just like on a desk phone.
Tired of contracting separately for mobile service in each country? Tango Extend has one simple calling plan which can be used by employees across North America and Europe with roaming in 40 countries at no additional cost (see our global expansion).
Watch a short video overview about our innovative Mobile UC service

Turbocharge Your Mobile Collaboration
- Add a business SIM to your personal mobile phone
- Designed for the work-from-anywhere workforce
- Supports “Mobile First” strategies
- Cuts costs & carbon footprint
Seamless Integration for Mobile UC
Add UC Features to Any Mobile Phone
- Provide employees and contractors with an existing business line on their personal mobile devices
- Use UC Features such as Call Hold, UC Voicemail and Short-code dialling
- Elevate calls from mobile to desk
- Record mobile calls and Text messages for compliance
Tango Extend integrates with Cisco Webex Calling
Cisco includes Webex Go entitlement with all Webex Calling Professional licenses – allowing Certified Mobile Calling Providers to provide the business numbers and mobile calling plans.
By adding an additional Webex Calling eSIM to any mobile device, enterprises can serve a greater number of Hybrid and Frontline workers and meet the growing demand for mobile collaboration while reducing the dependency on office-based communications technology.
Tango Extend supports Microsoft Teams
Add a Tango Extend SIM to any mobile phone and use the green button to make business calls from your Microsoft Teams number.
”Now with native mobile integration via Tango Extend, even those users who are never at a desk can maximize their communications efficiency with Teams on any mobile phone.”
– Mahendra Sekaran, Vice President of Intelligent Communications Services at Microsoft
Quick and easy for your IT team to roll out to your employees
- Business eSIMs can be installed in minutes using a simple QR code
- eSIM convenience for fast provisioning of business or personal devices
- Can be installed in a company-provided or personal phone
- No plastic, no SIM trays and no hassle
Tango Networks Receives Enabling Technology Leadership Award
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