1,000,000 - 5,000,000 downloads

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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 :

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 (http://www.gnu.org/licenses/gpl-3.0.txt). 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

Tags: csip, c sip simple, csip simple, csipsimple, sip simple, sipsimple, cipsimple, csipsimple 設定, simple sip, csipsimple codecs.

Recently changed in this version

* Hot fix for android 4.4
* New wizards

Lists with CSipSimple

Some lists where this application appears: mariodb64.

Comments and ratings for CSipSimple
  • (69 stars)

    by karin.rohder on 21/02/2011

    Works well on WiFi but no incoming audio on 3G then unable to hangup call & software locks up. Defy.

  • (69 stars)

    by edesk.prashant on 31/01/2011

    Best SIP client ever seen.

  • (69 stars)

    by Richard Tang on 28/06/2014

    Good app

  • (69 stars)

    by Windsor Schmidt on 27/06/2014

    I register to my FreeSWITCH box and take calls. Voice quality is good, and phone book integration is a handy feature.

  • (69 stars)

    by Jose Gómez on 26/06/2014

  • (69 stars)

    by kanouti morris on 24/06/2014


  • (69 stars)

    by Arif Inamdar on 18/06/2014

    i love this