Russian operator MTS and network equipment provider Nokia have announced the completion of what Nokia said was the first Voice over LTE (VoLTE) call to be carried on virtualized telco cloud infrastructure. The test was carried out in MTS’ live network, using Nokia-supplied suite of virtualized core network elements, including IMS, Telephony Application Server (TAS) and Home Subscriber Server (HSS), running in MTS’ private cloud. These were controlled by Nokia’s Cloud Application Manager.

“VoLTE and telco cloud are principal technologies that will help us address new business opportunities and deliver a superior voice experience to our customers,” said Andrey Ushatskiy, chief technical and IT officer at MTS Group. “This live implementation of virtualized VoLTE…is an important proof-of-concept and shows our commitment to offering our customers the most advanced voice services possible.

“We expect that the compound annual growth of mobile data traffic will reach 79 per cent by 2020 and have to prepare our networks to deliver a quality mobile broadband experience to our customers,” he added.

“We are delighted to join forces in this pioneer project supporting MTS’s demonstration of voice services using LTE in a telco cloud,” said Kristina Tikhonova, Head of East region, Networks, who claimed that Nokia has the “most comprehensive” VoLTE solution on the market. “Our goal is to support operators’ migrations of voice and messaging traffic to LTE. With this demonstration, we further underscore that we are commercially ready and able to do this.”

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