Summary of the LTE Voice Summit (#LTEVoice) held on 7-8 October 2014 in London by Zahid Ghadialy

1. Quick Summary of
LTE Voice Summit 2014
#LTEVoice
4th Nov 2014

2. This is an informal write up from the LTE
Voice Summit 2014. E&OE.
- Zahid Ghadialy (@zahidtg)

3. Philippe LUCAS - Orange
Non Confidential – Public © eXplanoTech Ltd. 3

4. Philippe LUCAS - Orange
Non Confidential – Public © eXplanoTech Ltd. 4

5. Philippe LUCAS - Orange
Non Confidential – Public © eXplanoTech Ltd. 5

6. Philippe LUCAS - Orange
Non Confidential – Public © eXplanoTech Ltd. 6

7. Joong-Gunn Park – SK Telecom
Non Confidential – Public © eXplanoTech Ltd. 7
3 Band CA to launch later this year

8. Joong-Gunn Park – SK Telecom
Non Confidential – Public © eXplanoTech Ltd. 8
VoLTE call delay is less than 3 seconds which could be an issue with wrong numbers

9. Joong-Gunn Park – SK Telecom
Non Confidential – Public © eXplanoTech Ltd. 9
New service opportunities built on VoLTE

10. Ilan Sade - Amdocs
Non Confidential – Public © eXplanoTech Ltd. 10

11. Ilan Sade - Amdocs
Non Confidential – Public © eXplanoTech Ltd. 11

12. Panel: Can operators leverage VoLTE to protect Voice revenues
Non Confidential – Public © eXplanoTech Ltd. 12

13. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 13

14. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 14
LGU+’s Uwa service (based on IMS) offers multimedia and screen sharing, etc.

15. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 15
The UI has been customised to make multitasking easier

16. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 16

17. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 17

18. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 18

19. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 19

20. Seunghyun Sung – LGU+
Non Confidential – Public © eXplanoTech Ltd. 20
Unlimited plans available for an equivalent of $70

21. Alex Westley – Oracle Communications
Non Confidential – Public © eXplanoTech Ltd. 21

22. Walter Zielinski - Huawei
Non Confidential – Public © eXplanoTech Ltd. 22
Different UE’s behave differently, problems will be solved over the time

23. Matt Schlesener - Sprint
Non Confidential – Public © eXplanoTech Ltd. 23
Design changes are needed for LTE to use the same antenna sites as CDMA

24. Dr. Bart Lehane - Openet
Non Confidential – Public © eXplanoTech Ltd. 24
Operators have been cautious about rolling out VoLTE

25. Ingo Ehlen – Vodafone Group
Non Confidential – Public © eXplanoTech Ltd. 25

26. Bejoy Pankajakshan – Mavenir Systems
Non Confidential – Public © eXplanoTech Ltd. 26

27. Bejoy Pankajakshan – Mavenir Systems
Non Confidential – Public © eXplanoTech Ltd. 27

28. Alberto Diez - Siemens
Non Confidential – Public © eXplanoTech Ltd. 28

29. Alberto Diez - Siemens
Non Confidential – Public © eXplanoTech Ltd. 29

30. Tetsuya Mikajiri – NTT Docomo
Non Confidential – Public © eXplanoTech Ltd. 30

31. Tetsuya Mikajiri – NTT Docomo
Non Confidential – Public © eXplanoTech Ltd. 31

32. Tetsuya Mikajiri – NTT Docomo
Non Confidential – Public © eXplanoTech Ltd. 32

33. Tetsuya Mikajiri – NTT Docomo
Non Confidential – Public © eXplanoTech Ltd. 33

34. Christian Menini – Swisscom
Non Confidential – Public © eXplanoTech Ltd. 34
All plans include unlimited voice, sms, Internet – differentiation on speeds

35. Vittorio Orsatti – Three (3) UK
Non Confidential – Public © eXplanoTech Ltd. 35
CSFB may not work in many cases as 4G uses lower frequency as opposed to 3G

36. Vittorio Orsatti – Three (3) UK
Non Confidential – Public © eXplanoTech Ltd. 36
‘Three inTouch’ downloadable App for VoWiFi calling

37. Vittorio Orsatti – Three (3) UK
Non Confidential – Public © eXplanoTech Ltd. 37
‘Three inTouch’ downloadable App for VoWiFi calling

38. Vittorio Orsatti – Three (3) UK
Non Confidential – Public © eXplanoTech Ltd. 38
‘Three inTouch’ downloadable App for VoWiFi calling

39. Olivier Bruyndonckx – Alcatel-Lucent
Non Confidential – Public © eXplanoTech Ltd. 39

40. Divya Ghai Wakankar - BICS
Non Confidential – Public © eXplanoTech Ltd. 40

41. Divya Ghai Wakankar - BICS
Non Confidential – Public © eXplanoTech Ltd. 41

42. Divya Ghai Wakankar - BICS
Non Confidential – Public © eXplanoTech Ltd. 42

43. Divya Ghai Wakankar - BICS
Non Confidential – Public © eXplanoTech Ltd. 43

44. Paul Gowans - JDSU
Non Confidential – Public © eXplanoTech Ltd. 44

45. Paul Gowans - JDSU
Non Confidential – Public © eXplanoTech Ltd. 45

46. Paul Gowans - JDSU
Non Confidential – Public © eXplanoTech Ltd. 46
MOS = Mean Opinion Score

47. Antoine Mercier – Bouygues Telecom
Non Confidential – Public © eXplanoTech Ltd. 47

48. Antoine Mercier – Bouygues Telecom
Non Confidential – Public © eXplanoTech Ltd. 48

49. Antoine Mercier – Bouygues Telecom
Non Confidential – Public © eXplanoTech Ltd. 49

50. Antoine Mercier – Bouygues Telecom
Non Confidential – Public © eXplanoTech Ltd. 50

51. Final words
Non Confidential – Public © eXplanoTech Ltd. 51
 The various VoLTE interoperability issues between different
operators is mostly due to regulatory and interconnection
issues. Will get resolved shortly
 There is no consensus on how to charge for Video. SK
Telecom prefers per minute while Verizon prefers by data
volume
 Roaming is another area of discussion. NTT Docomo and SK
Telecom prefer S8 based home routing because its simpler
and faster
 Voice over WiFi (VoWiFi) specs coming from GSMA in Q4
2014
 VoLTE functionality is generally in the chipset hence is more
efficient than other OTT VoIP applications. RCS is a
downloadable/native client.