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Showing posts with label VoLTE. Show all posts
Showing posts with label VoLTE. Show all posts
Monday, 6 June 2022

2G/3G Shutdown may Cost Lives as 4G/5G Voice Roaming is a Mess

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You have probably heard me a complaining about the pace of VoLTE rollout, 2G/3G shutdowns, 4G Voice roaming, etc. This post highlights all t...
Friday, 21 February 2020

EPS Fallback in 5G Standalone Deployments

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It can be expected that later this year some mobile network operators will launch their initial 5G standalone (5G SA) deployments. Never...
11 comments:
Sunday, 19 May 2019

VoLTE Hacking

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The 10th Annual HITB Security Conference took place from the 6th till the 10th of May 2019 in The Netherlands. The theme for the confer...
Saturday, 16 June 2018

Summary and Analysis of Ericsson Mobility Report 2018

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Ericsson Mobility reports always make a fantastic reading. Its been a while since I wrote anything on this topic so I thought lets summari...
Wednesday, 20 September 2017

A quick starter on 4G voice (for beginners)

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I recently did a 4G voice presentation for beginners after realizing that even though so many years have passed after VoLTE was launched...
3 comments:
Sunday, 23 October 2016

VoLTE Operator Case Study from LTE Voice Summit

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Phil Sheppard, Director of Network Strategy & Architecture, Three UK was the keynote speaker of LTE Voice Summit held in London this...
2 comments:
Friday, 7 October 2016

Whats up with VoLTE Roaming?

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I have been covering the LTE Voice Summit for last couple of years (see here: 2015 & 2014 ) but this year I wont be around unfortunate...
1 comment:
Monday, 26 September 2016

QoS in VoWiFi

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Came across this presentation by Eir from last year's LTE Voice Summit . VoWLAN: Call Quality from 3G4G As the summary of t...
Sunday, 17 July 2016

Two VoLTE Deployment Case Studies

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Back in 2011, I was right in predicting that we will not see VoLTE as early as everyone had predicted. Looking through my twitter archive, ...
9 comments:
Monday, 7 December 2015

ITU Workshop on VoLTE and ViLTE Interoperability

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ITU recently held a workshop on "Voice and Video Services Interoperability Over Fixed-Mobile Hybrid Environments,Including IMT-Adva...
Sunday, 1 November 2015

Quick Summary of LTE Voice Summit 2015 (#LTEVoice)

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Last year's summary of the LTE voice summit was very much appreciated so I have created one this year too. The status of VoLTE can...
Saturday, 10 October 2015

VoLTE Roaming: LBO, S8HR or HBO

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There was an interesting discussion on different roaming scenarios in the LTE Voice Summit on 29th, 30th Sep. in London. The above pictu...
Sunday, 12 July 2015

S8HR: Standardization of New VoLTE Roaming Architecture

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VoLTE is a very popular topic on this blog. A basic VoLTE document from Anritsu has over 40K views and my summary from last years LTE Voi...
5 comments:
Wednesday, 7 January 2015

Enhancing voice services using VoLTE

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VoLTE has been a very popular topic on this blog. My overview of the LTE Voice Summit missed out narrowly from the Top 10 posts of 2014...
1 comment:
Wednesday, 5 November 2014

2015 will finally be the year of Voice over LTE (VoLTE)

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On 4th Nov. 2009, the One Voice initiative was published by 12 companies including AT&T, Orange, Telefonica, TeliaSonera, Verizon, ...
2 comments:
Thursday, 30 October 2014

Codecs and Quality across VoLTE and OTT Networks

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Codecs play an important role in our smartphones. Not only are they necessary and must for encoding/decoding the voice packets but they inc...
1 comment: