Mtel, now known as A1 Bulgaria, is a leading telecommunications provider headquartered in Sofia, Bulgaria. As part of the A1 Telekom Austria Group, it delivers comprehensive services, including mobile and fixed telephony, internet, cable and satellite television, and IPTV. Renowned for its innovative solutions, A1 Bulgaria connects communities and businesses with reliable and cutting-edge technology. It focuses on enhancing customer experiences while driving digital transformation across the region.

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