Sipdroid
Sunday, November 15th, 2009Adds native SIP/VoIP to Android’s dialer/contacts. Make and receive calls over WiFi and 3G with perfect voice quality and lowest delay.
See sipdroid.org for license, changes, source code, FAQ
For optimal standby/compatibility/calling Skype™ register with pbxes.org and your SIP accounts from there. Basic accounts are free.
For free on Android Market
