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
Plenty of business companies use free Asterisk software and place it on their server, thus creating a cut-rate IP-PBX. They use manuals provided on setting up the extensions, and occasionally there are lots of discrepancies. Finding out how to install a dial plan or call flow, the set of regulations detailing how the switch deals with inbound and outbound calls is very difficult.
Opto Network Pvt. Ltd.
Opto Network Private Limited is an Internet Telephony Service Provider in India. Head office is in Noida, India, Band having branches in Bangalore and Mumbai.
Read moreTop countries:
United States 1294 India 440
United Kingdom 425
Canada 348
Bangladesh 338
China 142
Pakistan 134
Australia 133
Spain 123
Russia 114View all countries