1. HD Voice Unprecedented mobile voice quality
Leverages technologies available today
- 4GVTM-Wideband vocoder and FluenceTM noise cancellation
Ability to differentiate voice service to high-value customers

2. Unprecedented Mobile Voice Quality
4GVTM-WB
(EVRC-WB)
FluenceTM +
Wideband Vocoder
Superior voice quality compared to today’s narrow band vocoders
Advanced Noise Cancellation Qualcomm’s advanced noise cancellation technology
Leverages technologies commercially available today

3. Wideband Vocoder Provides Clear and Natural Voice
4GVTM-WB
Narrowband Today’s EVRC
and PSTN
Frequency
Low frequency extension increases naturalness, presence and comfort
High frequency extension improves voice clarity and intelligibility
Higher voice quality with no impact on capacity
Higher quality when both sides support wideband (WB) vocoders

4. 4GVTM-WB Offers Higher Quality Voice without Capacity Impact
(EVRC-WB)
Higher Quality at same capacity as today’s EVRC
Quality
EVRC
4GVTM-B
(EVRC-B)
Capacity
Enhances both VoIP and Circuit Switched (CS) voice quality
Supported in select Qualcomm MSM chipsets
Higher voice quality with no impact on capacity

5. FluenceTM – Qualcomm’s Advanced Noise Cancelling Technology
Speaker
Secondary Microphone
Primary Microphone
Superior noise reduction without impacting speech quality
Accurately identifies noise by employing secondary microphone
Commercially available in select phones
Incremental software only upgrade

6. HD VoIP is the Natural Choice when Migrating to All-IPWB
VoIP IP WB WB
VoIP
Terminal
3G Network
IMS for VoIP
Fixed Migration to IP
VoIP
PSTN NB
Fixed Phone
Higher voice quality with no impact on capacity
End-to-end VoIP enables HD voice
WB – Wideband
NB – Narrowband

7. Ability to Differentiate Voice Service to High-Value Customers
HD voice can earn and retain high-value customers
Attractive for enterprise market
Leverage high-end devices with 4GVTM-WB and FluenceTM
Capitalize on increasing fixed VoIP penetration (HD VoIP)

8. HD Voice Demo Configuration
EV-DO VoIP Overview: Requirements, Features and Capacity
April 6, 2017
HD Voice Demo Configuration
CTIA Booth
CTIA Conference Room
Internet
HD VoIP Phone
(VoIP+4GVTM-WB+ FluenceTM)
Fixed IP HD VoIP Phone
(with WB codec G.722)
CTIA Equipment Room
QRC San Diego
EV-DO
Rev. A/B
Asterisk/
MGW
Internet
PDSN
4GVTM-WB <-> G.722
Transcoder
QUALCOMM Proprietary

9. Back Up Slides

10. Mobile to Mobile HD CS Voice is Possible
PCM/PSTN
3G Network WB NB
CS voice WB
3G Network
TrFO
Function
3G Network WB WB
CS voice
CS voice
PSTN NB
Fixed Phone
Higher voice quality with no impact on capacity
End-to-end HD CS voice has to bypass PSTN and PCM
TrFO - Transcoder Free Operation
PCM - CS based transport network
WB – Wideband
NB – Narrowband