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Radisys on VoLTE and telecom in the cloud

Posted: 23 May 2013 ?? ?Print Version ?Bookmark and Share

Keywords:LTE? VoLTE? cloud?

To date, more than 300 mobile operators around the world have committed to LTE network investments to meet subscriber demand for more and more bandwidth. In this article, Radisys executives talk about what's driving network transformation and what operators should be considering as they address deployment challenges and opportunities. Operators must figure out how they can monetise these new networks while paving the way for their next-generation network rollouts beyond LTE.

What are the factors behind operators' drive to transform their networks?
One of the key drivers behind this transformation is the proliferation of mobile applications, particularly video, that are running on a plethora of smartphones and tablet devices. Today's consumers want anywhere/anytime access to mobile broadband, and operators are responding with the roll-out of their LTE networks. Initially, LTE will enable operators to offer mobile broadband data plans with higher speeds and lower latency than 3G networks can deliver. However, the traffic growth is outpacing revenue growth by a significant marginwhich is clearly not a sustainable business model for the operators. To address this gap, operators need to offer consumers additional services to differentiate their LTE offerings and grow revenues. This is where services such as Voice over LTE (VoLTE) and Rich Communications Services (RCS) come in.

What is the traction for Voice over LTE (VoLTE) and Rich Communications Services (RCS)?
We've seen a lot of activity to date this year for VoLTE and RCS trials and deployments and see 2013 as the year when VoLTE deployments take off. The world's first VoLTE deployment from MetroPCS, launched in 2012, was based on Mavenir Systems' IP Multimedia Subsystem (IMS) solution powered by our Media Resource Function (MRF). Research firm Strategy Analytics has predicted that South Korea, Japan and the U.S. will lead the way with VoLTE deployments, and will be joined by a wave of mobile operators globally over the next 24 months.

Our own research shows that 18 per cent of operators have already begun to deploy VoLTE and RCS, while an additional 37 per cent are planning to do so over the next year. Operators are turning to these services to reverse the downward revenue trends in voice and messaging, which are still their primary sources of profit. Operators that bundle VoLTE and RCS with their LTE deployments are able to offer their subscribers more attractive service offerings than just LTE data plans, and hence are gaining market share.

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