Telefónica has demonstrated transfer of voice calls from a LTE network to a 3G mobile network seamlessly and without interruption. According to operator, this handover was achieved in Germany in a test laboratory environment that accurately simulates that of a real mobile network.

U.S. operator Sprint has significantly improved 3G service in Puerto Rico and also expanded 4G service by launching its LTE network in Aguadilla, Isabela, Cabo Rojo and Mayagüez. These cities are in addition to Ponce, Coamo and Guayama – which have offered LTE since 2012. 

Russian mobile operator Mobile TeleSystems (MTS) announced that it has built more than 2,000 LTE base stations in 2012. Operator's 4G LTE network now covers about 90% of the capital and more than fifty settlements near Moscow.

South Africa’s telecom service provider, Vodacom has selected Nokia Siemens Networks’ Liquid Core to enable circuit switched fall-back (CSFB) functionality in its LTE network. This functionality allows LTE users to make and receive voice calls using either the GSM or 3G network while retaining the benefit of data services via LTE.

NTT DOCOMO has developed a dual-mode small-cell base station, or femtocell, supporting 3G (W-CDMA) and LTE simultaneously. The dual-mode femtocell will be commercially launched from December and offers for improved service coverage in indoor locations such as offices, shops and homes.

Telecommunications equipment and network solutions provider, ZTE  has signed a packet switched core network (CN) deal with KPN Group Belgium (KPNGB).KPNGB will deploy ZTE’s packet switched CN equipment which supports unified 2G/3G/4G radio access.

Telekom Austria Group has picked Ericsson for its multi-standard radio network upgarde and to supply LTE infrastructure. Ericsson will upgrade the 2G and 3G mobile networks and also provide the LTE technology for Telekom Austria Group's subsidiaries A1 in Austria and Vipnet in Croatia. Rollout has already started.