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BDFL - Memuneh
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# 173872 9-Jun-2015 10:57
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From Spark

Spark New Zealand announced today it has laid the foundation for a more flexible, fully digital future network, paving the way for new services such as high definition voice and video calls over 4G (also known as LTE).

Chief Operating Officer David Havercroft said Spark has demonstrated a new Virtualised IP Multimedia Subsystem (vIMS) as a proof of concept, and successfully used it to make Voice over LTE (VoLTE) calls between a number of different devices.

“This is a significant step forward in our plan to transform our network and bring all customers together on a unified future-ready communications platform,” says Havercroft.

“VoLTE is the next generation of mobile voice technology, delivering crystal-clear high-definition voice and video calls that connect noticeably more quickly. It gives people the ability to switch between audio and video calls without interruption and to use 4G data while on a call. Because VoLTE uses the network more efficiently it also has the potential to give devices longer battery life. All these advantages are independent of the operating system or app a customer uses.

“Mobile technology is continually changing and our network needs to handle, not just what is possible today, but what our customers will demand in the future. VoLTE is another big step on that journey. Our future digital network will unleash the potential of people’s devices like never before,” says Havercroft.

Both vIMS and VoLTE underline the huge increase in the pace of change, both in global technology and within Spark New Zealand.

“We took this project from a concept on paper to a functioning demonstration in less than 14 weeks. We’re not letting up on the pace of innovation and change to deliver value to our customers,” Havercroft said.

Virtualised IP Multimedia Subsystem takes core network functions and moves them into the cloud. Over time, vIMS will bring Spark New Zealand’s mobile and fixed networks together onto a unified, IP-based platform. This marks an historic shift from the traditional copper-based PSTN network that supports voice services today. Devices will use the best network available for any and all services, whether this is broadband, 3G, 4G, or WiFi. This will also be able to work overseas, which will revolutionise roaming, allowing customers to be directly connected to the Spark Network no matter where they are in the world.

VoLTE will shift voice calls, which currently run on Spark’s 3G network, onto the 4G network. Spark has successfully run a full suite of IMS-based calling scenarios – including VoLTE – between mobile phones, from mobile to fixed Broadband networks, and from mobile to the PSTN network.

VoLTE will enable a more efficient use of mobile spectrum. Combined with Spark’s LTE 700MHz spectrum, this new development means more bandwidth will be available to customers for other services. Customers will also be able to use multiple services on the 4G network simultaneously, and to access extra information like geo-location and presence information, as well as the potential for better battery life on their devices under similar usage conditions.

This all operates independent of applications, operating systems, and device types (provided they are 4G compatible), meaning the high quality, feature-rich digital communications will be accessible to everyone.

Spark New Zealand used a combination of open-source and off-the-shelf products to build and deliver the proof-of-concept, partnering with Cisco Systems for virtualised network infrastructure, management, and packet core functions; Metaswitch Networks for the virtualised IMS functions; and New Zealand company OpenCloud for the Application Server functions. Spark New Zealand has not yet made any decisions on timeframes for commercial implementation of vIMS and VoLTE.

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Wannabe Geek

  # 1320179 9-Jun-2015 11:31
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Telcos have been going on about VoLTE for years now, meanwhile  Skype, Google Hangouts, even WebRTC have had HD voice and HD video for ages, what benefit will tight coupling between network and application give to end users, that remains to be seen.1

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  # 1320219 9-Jun-2015 12:27
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Well one key advantage is that you can call anyone using Spark (or any other provider). You're not restricted to only Hangouts users, for example. Most third-party services aren't "open" like standard calls are.


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Wannabe Geek

  # 1320919 10-Jun-2015 09:44
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Does Volte's high quality mode work across telecom networks given both support Volte?

Or is it still intra network only?

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