In my blog entry on VoIP services on Nokia S60 devices I discussed a bit of my experiences with Truphone. At that time Truphone was offering free calls to landlines until 31 March, but I just saw the news that this offer has been extended until 30 June and includes free calls to 40 countries. If you have a compatible S60 smartphone then I highly recommend you give it a try. I just wish the Nokia N80ie battery would last longer than a few hours so I could use the service more than I already do. You can also talk to people and receive calls from them via Google Talk so your friends and family don't even need a S60 device to call you via Truphone.