3 (Hutchison)
3, the world's first 3G network operator, is the leading 3G provider in the UK and across Europe. This company uses our Tertio products to support its global service activation requirements across networks in Europe and Asia Pacific. www.three.com

Telenor Denmark
Telenor Denmark's leading broadband and internet service provider, uses our solutions for mediation and service activation. Our products are helping the company expand its broadband services throughout the Scandinavian region. http://www.telenor.dk/english

Deutsche Bahn
Our Railway Services Management solution was selected by Deutsche Bahn, Germany's national rail operator, to support the rollout of its new GSM-R network. This new standard for wireless rail telecommunications has been endorsed by the International Union of Railways. This solution is based on tried and tested GSM communications standards with railway-specific functionality added to improve levels of safety and reliability. www.bahn.de

Inmarsat
Inmarsat, the world's leading telecommunications satellite operator, selected Tertio Service Activation for provisioning and Evident for convergent mediation when it launched its Broadband Global Area Network (BGAN) in 2005. Inmarsat's BGAN is the first 3G service via satellite, providing high-speed data access virtually anywhere in the world using a constellation of Inmarsat satellites. www.inmarsat.com

MTN Nigeria & South Africa
The MTN Group is a multinational telecommunications group with more than 40 million subscribers across 21 countries in Africa and the Middle East. MTN South Africa and Nigeria have been customers of Evolving Systems for more than 5 years. Both operators use Tertio to provision all their service activation requirements. www.mtnonline.com, www.mtn.co.za

Swisscom
Swisscom is Switzerland's leading telecommunications provider, with 5.4 million wireless customers, approximately 5.4 million fixed lines, including 1.7 million broadband connections. It offers a full range of products and services for wireless, landline and IP-based voice and data communication. Swisscom uses our service activation solution, Tertio, to provision all its wireless customers. www.swisscom-mobile.ch

Everything Everywhere
T-Mobile UK, part of the T-Mobile International Group and one of the leading mobile operators in the UK, was one of our first customers. T-Mobile UK now uses our Tertio service activation solution to support more than 17 million UK subscribers. www.t-mobile.co.uk

Tele2
Tele2 is one of Europe's leading alternative telecommunications operator, with products and services that cover fixed and wireless telephony, broadband, data networks, dial-up internet, telephone cards, cable TV and content services across operations for 24 million customers in 11 countries. Tele2 uses our Tertio solution to provision services across its fixed network. www.tele2.com

Telefónica Móviles México
Telefónica Móviles provides wireless telephony activities for Grupo Telefónica worldwide. Since acquiring the BellSouth operations in Latin America, and it is now the second largest multinational player in the wireless arena with around 51 million customers. Within their wireless operation in Mexico, Movistar Mexico the company uses our new solution, Dynamic SIM Allocation, to manage and provision prepaid SIMs. www.movistar.com.mx

VIPnet & VIP Mobile
VIPnet & VIP Mobile, part of the Mobilkom Austria Group, were the first private GSM operators in Croatia and Slovenia respectively. They have been customers since 2004 when they purchased our Tertio service activation solution to ensure the fast introduction and modification of their growing services portfolio.www.vipnet.hr, www.vipmobile.rs

Unitymedia
The Unitymedia group, headquartered in Cologne, operates the cable network in the German states of North Rhine Westphalia and Hessen. It offers entertainment and multimedia services including classic TV and radio broadcasts, digital TV, broadband internet access and telephony. Unitymedia supplies 4.7 million customers with media and telecommunications services. Our Tertio service activation and service verification solutions help Unitymedia quickly and accurately provision its 'triple play' internet, telephone and TV services. www.unitymedia.de

Virgin Media
When NTL acquired broadband operator Telewest and MVNO Virgin Mobile, the combined company was re-branded as Virgin Media. The new venture became the first operator in the UK to offer quadruple play services: broadband, TV, fixed-line phone and wireless. Our Evident billing mediation solution and Tertio service activation solution help support the usage, charging and provisioning of Virgin Media's quadruple play services. www.virginmedia.com

Vodafone
Vodafone Group Plc is the world's leading mobile telecommunications company, responsible for over 269 million customers across Europe, the Middle East, Africa, Asia Pacific and the United States. Vodafone Albania, Greece and Egypt all use our Tertio solution for service activation. www.vodafone.com