Below is a list of of available Softphones that have been tested and extensively used with the Sippy Softswitch:
X-Lite (How to setup)
Windows 2000/XP, Mac OS X
(download)
Website – https://www.3cx.com (How to setup)
Windows, Linux, MAC OS X, IOS, Android
(download)
Microsip (How to setup)
Windows XP/Vista/Windows 7
(download)
eyeBeam
Windows 2000/XP/Vista, Mac OS X
(download)
Ekiga
Windows, Linux
(download)
Express Talk
Windows 98/ME/2000/XP/2003/Vista, Mac OS X
(download)
PhonerLite
Windows
(download)
KPhone
Linux
(download)
Linphone
Linux, Windows, FreeBSD, OpenBSD
(download)
Twinkle
Linux
(download)
ZoIPer
Windows, Mac OS X, Linux
(download)