CSipSimple

OpenSource (GPL) project for SIP on Android.

* High performances

* Rewriting/filtering rules for integration with Android

* SIP SIMPLE for Messaging

* Record calls

* Simple configuration

* Fancy UI inspired from 4.x Holo theme

* Many codecs (HD codecs, optimized codecs)

* Supported crypto : TLS for SIP and SRTP/ZRTP for media

* Themes

More codecs (as the experimental Opus) and themes are available in plugins !

About permission required by CSipSimple :

<a href="https://www.google.com/url?q=https://www.google.com/url?q%3Dhttp://code.google.com/p/csipsimple/wiki/PermissionsUse%26sa%3DD%26usg%3DAFQjCNGwqpfiT_mq3nap049eRK3EG44Wbw&sa=D&usg=AFQjCNHmaeJ2HOwnVRD8j4JzszdT33Y03Q" target="_blank">http://code.google.com/p/csipsimple/wiki/PermissionsUse</a>

Please report your bugs to the bug tracker of the project : it helps us to make a better software !!!

Users make the apps : It's opensource ! This application is distributed under GPLv3 license terms (<a href="https://www.google.com/url?q=https://www.google.com/url?q%3Dhttp://www.gnu.org/licenses/gpl-3.0.txt%26sa%3DD%26usg%3DAFQjCNHW9Ovy9NsNBEQAeiEYX51lvGNm1g&sa=D&usg=AFQjCNEYInUmqRLKJKDo1rQGjvl6YDRXpQ" target="_blank">http://www.gnu.org/licenses/gpl-3.0.txt</a>). You can also try the development version (nightly builds) available on the project website if you experiment problems with this version.

keywords : SIP, codecs, voip, GPL, dialer, voice over IP, free softphone, sip softphone, sip phone, telephony, softphone software free, voip phone, softphone sip, pbx