Telefonica boasts SRVCC from LTE to 3G in the lab

Telefonica has become the first network operator to demonstrate the ability to transfer voice calls seamlessly and without interruption from an LTE network to a 3G network.  However, the handover was conducted in a test lab environment simulation – not in the real world.

The handover was conducted in Germany at the labs of Telefonica Deutschland and is the first announced demonstration of handoff between LTE to 3G using SRVCC (Single Radio Voice Call Continuity), a standard for call handoff. Handset and network components involved in the demonstration included pieces from Acme Packet, Ericsson, Huawei, NSN, Qualcomm – no surprise there, since they’ve baked SRVCC into chipsets – and Sony Mobile.

Publicly traded Telefonica says it will be conducting Voice over LTE (VoLTE) demonstrations at Mobile World Congress (MWC) in Barcelona this month.

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