Huawei demonstrated a virtualized VoLTE solution designed specifically to support China Mobile’s Cloudified VoLTE service. The demonstration featured NFV-based core network elements, including a virtualized IP Multimedia Subsystem (vIMS), a virtualized evolved packet core (vEPC), a virtualized subscriber data management (vSDM), and a virtualized policy and charging rules function (vPCRF).
The Huawei Cloudified VoLTE solution runs on Huawei commercial off-the-shelf (COTS) hardware servers and cloud operating system.
http://pr.huawei.com/en/news/hw-419356-volte.htm#.VRI4NY6jOM4
