Callcentric United States
Callcentric is a service that lets you make free phone calls to other Callcentric members and to traditional phones world wide at great rates. Callcentric uses your internet connection and software on your computer or a telephone adapter to place calls us
Callcentric allows people worldwide to make and receive phone calls over the internet to each other for FREE, with NO SIGNUP OR MONTHLY FEES. With a telephone adapter or using software on your personal computer, you can call other Callcentric users for free.
- Internet Telephony Service Provider
- PC to Phone
- Telica
- Billing system of own development
G.729 is an audio algorithm of voice transfer data compression that compresses the digital voice into 10 ms duration packages.
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