- Free Download
Cost-Effective Online Calling Software for International Needs ...standard personal computer into an ISDN (Integrated Services Digital Network) ...
- PROS: Similar functions and capabilities when compared to larger providers such as Skype., Competitive international calling rates.
- CONS: The calling rates are not guaranteed and they will fluctuate from time to time. , As this is a less powerful software platform you may experience reduced signal strength and lagging call times on occasion.