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
AddPac AP-GS1001C is an entry level VoIP-GSM gateway, designed to work with one GSM channel. The device allows you to connect to the VoIP-telephony, analog lines and GSM networks. At the same time, users are able to transfer traffic in any direction lines are connected to: VoIP to GSM; an analog network to GSM; from analog to VoIP network.
Kortel Communications
Kortel has a physical presence in Los Angeles, CA USA and prefers connectivity via VoIP packet interfaces with either H.323 or SIP. This reach minimises, or can even eliminate, the local access circuit cost which all too often becomes the highest cost ite
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