VoIP at iPhone and iPhone Please check Google or AppStore for recent SIP softphones for iPhone.
Linphone Configuration Official Linphone website Linphone is available for PCs (linux, windows),
SJPHONE Softphone Setup Instructions. 1. Open Options menu. 2. Open "Profiles" tab. 3. Create new
Q: What softphone can I use on Mac under OSX? A: Here are some choices http://www.linphone.org/