Siphon SIP is described as 'Home of the World's first free SIP/VoIP application for iPhone and iPod Touch 1 and 2' and is an app in the social & communications category. There are more than 10 alternatives to Siphon SIP for a variety of platforms, including Android, iPhone, Mac, Windows and iPad apps. The best Siphon SIP alternative is Signal, which is both free and Open Source. Other great apps like Siphon SIP are Molly, FluffyChat, Linphone and Status.
With a superbly designed and intuitive user interface, the softphone offers easy set up with lots of preconfigured VoIP providers built in and smart call management features. Enjoy high quality enterprise communication features with zero effect on battery life.
Q-municate is a cross-platform app with a wide range of communication features including free messaging, file transfer, push notifications, audio/video calls.
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