Audio Codec’s: G.729, G.711

G.729 is an audio algorithm of voice transfer data compression that compresses the digital voice into 10 ms duration packages.

G.711 is an ITU-T standard for audio compounding. This is mainly used in telephony.

Providers in database: 6433

Virtual Calling Card

This service allows the subscriber making calls from any telephone to any number and the bill for these calls will be charged from the account indicated on the Virtual Calling Card (VCC), the system, which does not refer to the line from which the call is made. “Virtual Calling Card” works by the method of so called “Access Code”, the service access code. All calls with virtual telephone cards are preceded by the entrance of the access code. After dialing the access code the subscriber will be offered to dial the virtual card number, and after that the number of the desired subscriber.

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Global Super Tel Inc.

Caspian Co., Ltd was established in Tokyo in 1994, and authorized by Ministry of Post & Telecommunication of Japan as (Tire II) International carrier, and provide low international and domestic long distance rates, with the name of Global Super Tel.