Along with LTE introduction, 3GPP also standardized Single Radio Voice Call Continuity (SRVCC) in Release 8 specifications to provide seamless continuity when an UE handovers from LTE coverage (E-UTRAN) to UMTS/GSM coverage (UTRAN/GERAN).
Andrew Howell, 3GPPi GERANi Chairman, gives some background on the work of the GSM/EDGE RAN groups, including GELTE and the impact of machine type communications over legacy networks in the LTE age.
Technical presentation by Werner Kreuzer, GERAN WG1 Chairman at GSMA hosted joint Latin America and North America Conference in Miami, USA. Presentation highlights are as below