The wireless arm of Bulgarian Telephone Company (BTC), Vivatel, has announced it will enhance the services offered to its subscribers by becoming the first telco in the country to provide IP-based multimedia and voice experience. Nokia Siemens Networks (NSN) is providing Vivatel with its IP Multimedia Subsystem (IMS) platform and mobile voice-over-IP application server (NVS) for advanced and cost-effective convergent services. With the solution Vivatel subscribers will enjoy a whole range of all-IP convergent services including mobile, fixed line and internet telephony services (voice, data and multimedia) with a single phone number, as well as broadband internet access and range of video applications, interactive gaming or conference facilities.
Under the contract Vivatel will also be equipped with the mobile softswitch-based Nokia Siemens Networks VoIP Server and the Communication Suite, a rich call application for PCs that interoperates with mobile devices, for cost-effective VoIP telephone services. In addition, Nokia Siemens Networks also will provide network and service management, including profile management for provisioning new, converged services.