Telsis | Customers

Our Customers

Telsis has a global presence, supplying the world's top telecoms companies with high-performance carrier-grade solutions. Our products are in use with many new and established fixed and mobile operators around the world, providing a wide variety of applications. These include: Amplefuture, BT, Euskaltel, EWE TEL, HanseNet, Hi 3G Access, INtelegence, Jersey Telecom, Kingston Communications, KPN, Massxess, NetCologne, O2, Og Vodafone, Telefónica Móviles, TeliaSonera, T-Mobile Netherlands, T-Mobile UK, Vodafone Greece, Vodafone Italy, Vodafone Netherlands, Vodafone New Zealand, Warid Telecom Bangladesh, Warid Telecom Pakistan, Yoigo and others.

What our customers say

"We already carry more text traffic than any other UK operator, and we think there is still more growth to come. However, we need to put in place a firm foundation for that growth, and that means a next-generation system able to handle ever-higher volumes of SMS, which at the same time gives us the ability in the future to roll out advanced text based services and applications. The Telsis technology, provided through Ericsson, is one of the most advanced and proven of the next-generation messaging solutions. We have worked with both companies before and are confident in the professionalism with which they will approach this very important project."

Peter Lisle Head of Network Evolution, O2 UK


"We had all seen the limitations of the old store-and-forward messaging architecture built around SMSCs. Today, when almost all messages can be delivered straight away, it makes no sense to have a system which assumes a delay is inevitable. A modern network also needs a messaging architecture with real intelligence to support new network and third-party services. When Ericsson proposed the future-proof solution using Telsis Intelligent SMS Routing instead of SMSCs, we quickly saw that this would enable us to grow revenues while giving our customers the ultimate in quality."

Muhammad Iltaf Chief Technical Officer, Warid Telecom, Pakistan

"The Telsis solution gives our customers direct control over their O2 Rewards accounts and because it is automated it costs us very little to run.”

Sally Cowdry Marketing Director, O2 UK

"Telsis was chosen because it’s the most versatile system available, it has a solid reputation for stability and it lets us develop our own services. Nothing else offered local number portability together with being a versatile development platform in its own right. We have really good support from Telsis in helping us build new services for customers.”

Turgay Yoo Project Manager for IN Services, M-net