Orange
Orange Business Services Hungary Kft
H-1117 Budapest, Budapart tér 2, BudapartGate 3th floor
+36-12982600
S3 Company Ltd.
Bulgaria, Sofia, 1574, blvd. Shipchenski prohod 63
+359 88 661 8006
Telekom Srbija a.d. Belgrade
Takovska 2, Belgrade 11000, Serbia
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