This is a new great Symbian S60 VoIP application Talkonaut. The main feature of this app is messaging in Jabber, Google Talk, ICQ, MSN, AIM and Yahoo networks.
But also this is a great free VoIP client which supports VoIP over GPRS including SIP stack. This means that you can freely call with such services as Voipstunt, VoipDiscount, NetAppel, VoipBuster, VoipCheap, SparVoip and other Finarea-Betamax.
If you haven't a SIP account this app offer to you cheap voice calls over IP with help of GTalk 2 VoIP service. With help of Talkonaut you able to make free VoIP calls to Google Talk users, Yahoo, MSN, AIM and ICQ voice capable IM clients, as well as to other Talkonaut users.This awesome application is available for most of all Nokia Symbian S60 smartphones 2nd and 3rd Editions: E50, E51, E60, E61, E61i, E62, E65, E70, E90, 3250, 5500, 5700, 6110, 6120, 6121, 6290, N71, N73, N75, N76, N80, N81, N82, N91, N92, N93, N93i, N95. Direct download link for Symbian S60 v3 is here and for Symbian S60 v2 here. Delivery of download link via SMS message also is available.