1

Leverages technologies available today- 4GVTM-Wideband vocoder and FluenceTM noise cancellation

HD Voice

Ability to differentiate voice service to high-value customers

Unprecedented mobile voice quality

2

Unprecedented Mobile Voice Quality

Leverages technologies commercially available today

Advanced Noise

Cancellation

Qualcomm’s advanced noise

cancellation technology

Wideband Vocoder

Superior voice quality compared to today’s narrow band vocoders

4GVTM-WB(EVRC-WB)

+ FluenceTM

3

Wideband Vocoder Provides Clear and Natural Voice

Frequency

Low frequency extension increases naturalness, presence and comfort

High frequency extension improves voice clarity and intelligibility

Voice

Higher voice quality with no impact on capacity

Wideband

4GVTM-WB

NarrowbandToday’s EVRC

and PSTN

Higher quality when both sides support wideband (WB) vocoders

4

4GVTM-WB Offers Higher Quality Voice without Capacity Impact

Capacity

Quality

4GVTM-WB(EVRC-WB)

4GVTM-B(EVRC-B)

Higher Quality at same capacity as

today’s EVRC

Higher voice quality with no impact on capacity Enhances both VoIP and Circuit Switched (CS) voice quality

Supported in select Qualcomm MSM chipsets

EVRC

5

FluenceTM – Qualcomm’s Advanced Noise Cancelling Technology

Primary Microphone

Secondary Microphone

Speaker

Incremental software only upgrade

Superior noise reduction without impacting speech quality

Accurately identifies noise by employing secondary microphone

Commercially available in select phones

6

HD VoIP is the Natural Choice when Migrating to All-IP

3G Network

WB WB

VoIP

WB – WidebandNB – Narrowband

• IMS for VoIP

PSTN

Fixed Migration to IP

WBVoIP

VoIPTerminal

Fixed Phone

Higher voice quality with no impact on capacity End-to-end VoIP enables HD voice

NB

IP

7

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)

Ability to Differentiate Voice Service to High-Value Customers

8

HD Voice Demo Configuration

HD VoIP Phone(VoIP+4GVTM-WB+ FluenceTM)

Fixed IP HD VoIP Phone

(with WB codec G.722)

CTIA Conference Room

CTIA Booth

CTIA Equipment Room

QRC San Diego

4GVTM-WB <-> G.722Transcoder

EV-DORev. A/B

PDSN Internet Asterisk/MGW

Internet