Callcentric offers cost savings and high quality phone calls using Session Initiation Protocol (SIP) which is a type of VoIP. The customers of Callcentric are reachable wherever they are – at home or office, walking with a mobile phone, using VoIP or a regular phone line.
There are four different rate plans – IP Freedom, Pay Per Call, North America Unlimited or World Select, and each of them has its own benefits. The customers need software installed on their computer or stand alone telephone adapters along with dial-up or broadband internet connection.
Learn more at www.callcentric.com