With S-unno, you can use your Windows Mobile phone to make phone calls to any fixed or mobile number in more than 200 countries at absolutely low rates. Rates start from as low as US 1cents/minute. S-unno uses your 3G or WiFi connection to place these calls so that you can start saving now
SipToggle - allows you to toggle between Software Input Panels (SIP).
Features:
- Allows you to set one or more SIP's to toggle between. If you only set one then it will always set the SIP to the the specified one. If you set two or more it will toggle between all of them. You can also specify it to always pop up when you toggle
SJphone - SJphone is a VOIP softphone that allows you to speak with any other softphone running on a PC/PDA, any stand-alone IP-phone, or using Internet Telephony Service Provider (ITSP) with any traditional wired or mobile phone.
It supports both SIP and H.323 standards and is fully inter-operable with most major VOIP vendors and ITSPs
Skype - gives you free calls and instant messages to anyone else on Skype. It includes two great new features: SMS and file transfer. With 3.0 Beta, you can send text messages from your phone at Skype’s low rates, and send and receive files with your Skype contacts around the world – John Nguyen explains all in the video above
Skype on the go with Skype for Pocket PC. Make voice calls and chat for free, no matter where you are. It's easy to use and available when you connect to WiFi or 3G
Skype Gold
Skype is slowly making its mobile presence more relevant with the latest and full release of Skype for Windows Mobile devices called Skype v2.5, this is the Gold version, meaning the Beta tag has been lifted and it is in its full and greatest release yet. Making free phone calls to all your buddies with a Skype account has not been easier since....
Talkonaut is free mobile calling, VoIP enabled, Google Talk like application for your mobile phone. Talkonaut supports Jabber, Google Talk, ICQ, MSN, AIM and Yahoo networks both for chatting and voice calling. Talkonaut allows to make free VoIP over GPRS/EDGE calls, as well as calls over 3G, or WIFI
UC Mobile for Windows Mobile® Professional provides presence, notification, dialer, and IM LanTalk features to mobile device users connected to Esna's Telephony Office-Linx
