Key2roam Hub
Providing worldwide coverage

The biggest GSM, VoLTE / LTE & 5G roaming hub

Rated the best Roaming Hub worldwide since 2014, Comfone’s Roaming Hub offers excellent technical expertise, a superior market reputation, value for money, flexibility and transparency.

Boasting 450 networks and over 24´000 GSM connections, the Key2roam Roaming Hub is the best option available in the market today.


key2roam hub map

We are ready.

Are you?


LTE Roaming Hub

The Key2roam Hub offers members the option of launching LTE data roaming relations with the same simplicity and principles as 2G and 3G data roaming. It is managed by a Comfone roaming coordinator that organizes the implementation, testing, launch letter and quality monitoring.

VoLTE Roaming Hub

Our experts look forward to supporting operators in achieving faster time to market for global VoLTE roaming deployment.
If you’re interested in a customised plan for the fast rollout of VoLTE with your Key2roam Hub roaming partners



Diego Aguirre
Melita | Senior Wholesale Executive

I had the opportunity to be a Key2Roam hub customer from two different companies in two different continents. I must say that the quality of service is undeniable. Key2Roam delivers a “time-to-market” advantage to your rollout process with a great team behind, simple processes and excellent tools.

Surender Muddam
Sky | IREG Test Analyst

Key2Roam Hub has seamlessly helped us to expand our International Roaming footprint while maximizing the network effectiveness with a suite of intelligence tools and reports. The knowledge we have gleaned in terms of training, assessment, testing skills and operational procedures has revolutionized the way in which we operate and how we deliver our roaming services via Key2Roam Hub. In addition, our Roaming Coordinator Katherine, has be invaluable in assisting us with end to end service delivery.

Abimbola Adekoya
Glo Nigeria | Roaming Manager

Thanks to you, our roaming coverage has grown steadily and has led us to become leaders. We appreciate the efforts of the Key2roam team and look forward to continue our business relationship with Comfone in the years to come.

Teerapat Tarugsa
DTAC | Roaming Assistant Manager

The Key2roam Hub helps us to connect to the roaming world easily and quickly!

Mateja Sonc
Telekom Slovenije | International Carrier Services

Being a member of the Key2roam Hub has sped up the launching of new relations and extended our roaming footprint significantly. The Comfone team is a pleasure to work with.

Dilgent Mmbaga
Smart Mobile Tanzania | Roaming & International

Our gratitude goes to the extensive support we are receiving from Comfone's Key2roam team. Their dedication to extending our reach to many countries is seamless.

Spiridoula Nikolaou
COSMOTE | Roaming Marketing Department

Comfone has helped us to expand our roaming footprint around the world with minimum effort and very good collaboration. Today our outbound coverage has exceeded our expectations and we have helped provide high quality roaming to our corporate customers travelling around the world without limits.

Innovation is key
We´ve developed a complete set of Roaming Management tools that are included in the Key2roam Hub service

Related apps

QLab - Powered by SIGOS

QoS testing tool

QLab is a smartly designed app allowing operators to perform remote QoS tests for their subscribers whilst they are roaming abroad, helping to improve the overall roaming experience of subscribers.


Roaming Management System

This powerful and fully customisable tool makes Roaming Management simple and user-friendly.

Discount Agreements

IOT Discount Management Tool

don’t miss any termination deadlines with automatic e-mail reminders, store all documents in a data repository and chat internally and externally with your roaming partners.

CDR Tracing

CDR Analysis Tool

Trace every single CDR. Search and filter functions. Scalable and redundant Big Data warehouse. Powerful search engine.

Financial Tracker

Financial Analysis Tool

Get full transparency for every single Financial Clearing transaction based on real-time data from Comfone’s Financial Clearing system.


Network monitoring Tool

Monitor a wide set of KPIs from SS7, GTP and S6a/S9 Diameter interface down to the basic level of an IMSI.

Signalling Tracing

Troubleshooting Tool

Query the signalling flow for a given subscriber and identify roaming issues.

Global presence

Comfone has regional offices around the globe. Click here to find your regional representative.


Contact us

For any questions or to schedule a meeting, contact our Key2roam Hub team at