Papaya - turns your phonebook into a fun and useful social network! It allows you to communicate with your friends cheaply and easily, no matter where you are. Using Papaya, you can play games with your friends, chat with them over IM, share pictures and other files, make cheap international calls, and more
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
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
VOIP WM6.1 SIP Config - This tool allows you to use VOIP under Windows Mobile 6.1.
Usage:
Download the file and install it in your phone.
Then, go to Today menu, Programs, Sip Config Tool, input your provider settings and save. Then, go to Today menu, Settings, Today, Items and check "Internet Calling"
VoipCall is a similar program like VoipSMS, instead this one if for calling someone.
Instructions:
In order to use VoipCall, it's important to configure it first.
Go to options and set the following values on the first tab (Application Settings). Pause sign: p (lowercase, this is default, however unlikely your phone might have a different sign)