VoLTE: An Essential Part of Every Operator’s LTE Strategy

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By Dan Warren, Senior Director of Technology, GSMA

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VoLTE: An Essential Part of Every Operator’s LTE Strategy

  1. 1. By Dan Warren, Senior Director of Technology GSMA VoLTE: An Essential Part of Every Operator’s LTE Strategy Public
  2. 2. © 2014 SAP SE or an SAP affiliate company. All rights reserved. 2Public VoLTE: An Essential Part of Every Operator’s LTE Strategy Voice has been somewhat taken for granted by operators for some years It is a given that all mobile phones will support voice, and the equipment for supporting TDM voice and circuit switching has been present in mobile networks for a very long time Operator voice revenues have been squeezed by the growth in popularity of alternative VoIP services to the point where, in some markets, revenues have declined at a small but steady rate for a number of years That said, voice calls do still contribute almost $1 trillion to operator revenues globally
  3. 3. © 2014 SAP SE or an SAP affiliate company. All rights reserved. 3Public VoLTE: An Essential Part of Every Operator’s LTE Strategy What changes with LTE, and why does it create a threat? • LTE delivers a lot of bandwidth to the end user • LTE has a much lower delay on the radio interface, which means the other limiting factor of VoIP service providers’ calls – end-to-end latency – is significantly reduced, and so perceived quality gets a second boost These positive aspects of LTE should offer an opportunity for operators to upgrade their voice services to compete with VoIP providers.
  4. 4. © 2014 SAP SE or an SAP affiliate company. All rights reserved. 4Public VoLTE: An Essential Part of Every Operator’s LTE Strategy 2014: The year of VoLTE? VoLTE has made steady progress with 2014 likely to be a big year for deployments So far there are four VoLTE deployments of scale, all reporting very good voice-call quality and very low call set up times
  5. 5. © 2014 SAP SE or an SAP affiliate company. All rights reserved. 5Public VoLTE: An Essential Part of Every Operator’s LTE Strategy The challenge ahead Implementation of IMS and VoLTE requires a very different skillset to that by circuit- switched, while interconnect and roaming will be some way off Most difficult to comprehend is the business case for VoLTE as it is more about maintaining revenues than increasing the revenue As a result, the question operators should ask themselves is “What happens if I don’t implement VoLTE?”
  6. 6. To read more, follow the link to the full article in the 2nd edition of the Mobile Operator Guide. Get your copy here: http://bit.ly/1hreksd Join the conversation about the guide and this article here: http://bit.ly/1d6eGYu VoLTE: An Essential Part of Every Operator’s LTE Strategy

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