Circuit Switched Fallback (CSFB) enables mobile operators to provide voice services alongside their LTE network in the absence of IMS. LTE registered mobile devices ‘fallback’ to a 2G/3G domain to send/receive voice calls. CSFB saves time & CAPEX so operators can focus on meeting data requirements with their LTE deployments. Adax has teamed up with Surf Communication Solutions and RadiSys to deliver an enhanced CSFB solution with VoIP Interworking. Learn more