Used Communicator for Windows?
Developer’s Description
By VoIP
The voip.com Communicator gives the user the flexibility to make and receive calls directly from their computer. The VoIP.com Communicator offers low international calling rates for countries: Brazil, India, Italy, Pakistan, Poland, Portugal, Spain, and Sweeden. Calls to Canada, anywhere in the US and to Puerto Rico are included in the monthly price of $9.95. Version 1.630 adds new user functionality.
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