What are the disadvantages of PC-to-PC VoIP?

What are the disadvantages of PC-to-PC VoIP?

Jim Gurol (VP of Operations, Tierzero) gives expert video advice on: What is PC-to-PC VoIP?; Who can I call on a PC-to-PC VoIP line?; How does PC-to-PC VoIP work? and more...

Some of the disadvantages of PC-to-PC VoIP is not having a physical handset to talk to the other person. You might prefer to talk on a handset. The other thing is the complexity of the software for VoIP. You have to install software, you have to know how to connect to the other user, there might be problems in getting it setup. The other thing is the call quality, it might not be as good as to what you are used to listening on an analogue phone.