Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
Kaya Telekom, as known as Rocktel, is a carrier grade VoIP provider operating over 20 POP and toll points located across Turkey. With 600 call-shops and 100 distributors, Kaya Telekom`s VoIP infrastructure provides complete coverage of all Turkish regions
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