Karel İletisim
Karel operates as a telecom operator with Fixed Telephony Services (FTS), Internet Service Provider (ISP) and Virtual Mobile Network Service (VMNS) licenses. Since 2005, it has been providing its services under the name of Roitel and currently under the brand name Karel İletişim. In addition to providing services such as phone, internet, MPLS VPN, cloud switchboard and e-fax to its customers, it allocates phone and internet lines according to customer demands.