Can you really save money with VOIP services?

Can you really save money with VOIP services like Betamax and Dellmont?
If you are using calling cards regularly to call overseas, you might be noticed few things.
Most of the calling cards will not comply the number of calling minutes they advertise. And also they have below consumer concerns.
1. Bad connections.
2. Access numbers/PINs having connection issues.
3. Cannot reach access numbers.
4. Hidden connection charges and surcharge/other charges that increase the per minute charges.
5. Deduction of charges without even connection the other side of the number.

You can avoid all the above problems by using voip based and PC enabled products from betamax and Dellmont such us Voipcheap, 12Voip, VoipWise, Nonoh, Freecall, Poivy, Smartvoip, Voipbuster, Voipdiscount, VoipStunt, Rynga, ActionVoip, Jumblo, VoipBlast, VoipGain, MyVoipTraffic etc.,

Buy using these products
1. You do not need to use PIN every time and search for cards every time you call.
2. You can keep all your contacts online.
3. You can see history of every call and track your time spent precisely.
4. Using phone-to-Phone service you can initiate call by keying-in your source and destination numbers. By using this facility, the call will be counted as incoming call. As incoming call is free in most of the countries, you can save more.(compared to calling cards where you have to make outgoing calls to reach the access number.)
5. The worldwide SMS is very low. Usually 3 cents euro/SMS.
6. If you still want to save the connection charges (5 cents euro usually), you can still use the dialpad option and use the speaker phone attached with the PC. This may be more useful if you have call centre kind of set up.