VoIP-a-Lot (voipalot.com) is a new VoIP service from dellmont srl offering cheap calls world wide. Voipalot offers rates in USD and allows calls only from PC to phone. So if you are in USA and want to call from PC, then this could be good option for you.
Voipalot does not allow calls via access numbers, so you can not use your free minutes to call directly from you cell phone. You can use voipalot either downloading their software or using their sip settings.
VoIPalot Sip settings
SIP port : 5060
Proxy server : sip.voipalot.com
Outbound proxy server : leave empty
Account name : your VoipAlot username
Password : your VoipAlot password
Calling rates are comparatively cheaper but calls are subject to a 0.039 USD connection fee.
You need to register and make a payment of atleast $10 to make paid calls. If you find that voipalot is cheaper for your country you can start using it.
If you have query, feel free to leave your comments.