The best thing about tricomvoip is that it has been developed by professionals, in this case I can say they know what they are doing because their software works perfectly with our yeasterphone system. It was not expensive at all to implement so we decided to go ahead with it despite some initial skepticism from coworkers who do not want to change anything as long as there is no problem. We did not experience any problems using the tricomvoipe program. If you're looking for an easy-to-use voipβ¦