CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the Session Initiation Protocol (SIP). Developed by Regis Montoya
License: Open Source
Linphone offers a more user-friendly interface and broader platform support, making it suitable for both casual and advanced users. CSipSimple, on the other hand, is tailored for users who prefer advanced customization options but may lack the same level of polish and ease of use.