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VoLTE Challenges: The Case for Integrated Policy, Charging and Diameter Signaling

By: Peter Bernstein, TMCnet Senior Editor


VoLTE Challenges: The Case for Integrated Policy, Charging and Diameter Signaling

Hopefully, Voice over LTE (VoLTE) has arrived or is coming to your preferred mobile service provider.  As mobile networks transform into end-to-end IP ones, the business case for VoLTE as a means for mobile operators to provide differentiated services, including high definition voice and multiple media ones, has become compelling and taken on a sense of urgency. 

Indeed, it is being viewed strategically as a way for service providers to distinguish their services on the basis of Quality of Experience (QoE) from 3G and OTT voice apps. It is also seen as providing competitive advantage because of its ability to enable end users to seamlessly move from a voice call to a video call, or shift from one device to another in the midst of the conversation.  It is why interest in accelerating VoLTE deployments is so high. 

However, network transformations are not easy.  VoLTE deployment and operations is an interesting case in point.  It brings unique challenges for service providers related to policy control, charging and Diameter signaling control.  Steffen Paulus, Director of Product Marketing, Alcatel-Lucent has some interesting insights worth sharing on the need for integrated policy, charging and Diameter signaling in a virtualized solution, as the path forward for VoLTE success.  This is particularly relevant in light of Alcatel-Lucent’s recent launch of its End-to-End Voice over LTE (E2E VoLTE) solution that is an integral part of the Rapport multimedia real-time communications platform which has been architected specifically to me service provider and enterprise needs.

Shared Data Plans Mean New Charging Challenges

By Mae Kowalke, TMCnet Contributor

The move to LTE networks, increasing data usage, and the proliferation of multiple devices per user has ushered in the concept of shared data plans.

Shared data plans offer benefits both to consumers and operators. For carriers, shared data plans mean the ability to have a single pool of data minutes that they can use across their multiple devices. For carriers, shared data plans mean increased customer loyalty and additional revenue opportunities.

However, shared data plans also mean challenges for carrier charging systems.

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