Softclient from RIIS enabling VoIP calling on iPhone and iPad devices.
Features:
Integrates PJSIP open source, compact, multi-platform SIP stack
Allows you to make calls using PJSIP VoIP services
The app integrated on-device contacts and maintains call history
Speaker, mute and hold functions
OEMs and service providers should contact RIIS for custom app
developments using PJSIP"