Make calls using Sip services. Automatically configure your SIP credentials by generating a code on You can also send yourself the code via SMS to make things easier.

Some slight UI modifications have been made to this GPL codebase but it is for the most part exactly the same as the CSipSimple codebase located here -

Our small modifications are available on request


CSipSimple is an open-source native SIP client for Android

See for more info

Copyright (C) 2009-2010 Regis Montoya ( Copyright (C) 2010 Robert B. Denny, Mesa, AZ, USA (

This file is part of CSipSimple

CSipSimple is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

CSipSimple is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. If you own a pjsip commercial license you can also redistribute it and/or modify it under the terms of the GNU Lesser General Public License as an android library.

You should have received a copy of the GNU General Public License along with CSipSimple. If not, see

Keep in mind that the entiere application rely on a library released under GPL license terms. Please contact them if you want to use the LGPL dual license of csipsimple. Copyright (C) 2003-2008 Benny Prijono Copyright (C) 2008-2009 Teluu Inc. (

Pjsip (See The PJSIP.ORG website) provides the Open Source, comprehensive, high performance, small footprint multimedia communication libraries written in C language for building embedded/non-embedded VoIP applications.
Cryptography notice This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this CSipSimple distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.
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Additional Information

March 5, 2019
Current Version
Requires Android
4.0 and up
Content Rating
Interactive Elements
Users Interact
Offered By
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