• OneTwoVoip is a SIP-based soft phone.
With its simple and intuitive user interface, OneTwoVoip is the solution to making high quality calls for a fraction of the cost. Utilizing the latest the latest advances in VOIP technology, you can be ensured that all your communications are secure and affordable.
• OneTwoVoip is a SIP-based soft phone. You can call your friends and family from OneTwoVoip with lowest international call rates! And very good quality.