A grandiose gig in downtown Sofia marked Sunday one-year birthday of vivatel, the third mobile operator of Bulgaria.

Ukrainian hottie Ruslana, Romania's Morandi, Sweden's Da Buzz and a pleiad of local stars made the centre city scream and sing together with their favourite stars.

Eurovision 2004 winner Ruslana took the birthday stage to present her latest hit, Chardash.

KariZma, Upsurt, D_2 and Ostava of Bulgaria added to the extremely festive atmosphere in front of Sofia's St Alexander Nevski Cathedral.

For a year on the local market, vivatel filled in a large portfolio of services for its nearly half a million subscribers.

In September it launched an e-payment option for its consumer and business clients, available via ATM, Internet and with voice menu, reachable from a vivatel mobile or fixed digital phone.

Besides the services, vivatel has emerged to be one of most lavish sponsors to local cultural, entertainment, sports and charity events, the latest one being major film festival Cinemania 2006.

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