Introduction to WiFi Telephony

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Introduction to Wi-Fi Telephony
Karen Hong Director, Product Marketing 8x8 Inc.
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Agenda

• What is Wi-Fi VoIP
• Market Drivers
• Opportunities Challenges
• Future for Wi-Fi VoIP

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What is Wi-Fi VoIP

• Packetized voice communication over wireless data
  networks
• IP - Transport independent, network agnostic
• Unlicensed wireless networks (802.11) as well as
  licensed networks (3G and 4G cellular)

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Wi-Fi VoIP Opportunities

• Worldwide, consumer VoIP subscribers using
  wireless IP Phones will grow from 2 currently to
  73 in 2009.
• By 2009, over 66 million cellular/Wi-Fi handset
  will be in operation.
• By 2009, WLANs will be deployed in 57 of small
  businesses, 62 of medium sized businesses, and
  72 of large enterprises
• In 2004, worldwide revenue from dual-mode
  handsets hit 6.7m and from all Wi-Fi VoIP
  handsets totalled 54.7m
• The number of enterprises that deploy VoIP over
  WLAN will triple during the next two years.
  Today, 10 percent of North American enterprises
  utilize VoIP over WLANs. Analysts expects that
  percentage to increase to 31 percent by 2007.
• The WiFi market in the Asia-Pacific region will
  grow to 1.29 billion in 2010, up from 213.2
  million in 2004, says a recent analysts study.
  Wireless service providers in South Korea,
  Taiwan, Japan and China expanded their hotspot
  coverage, and they are planning to expand it even
  more

Source In-Stat Infonetics Research
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Wi-Fi VoIP Market Drivers

• Growth of Wireless LAN and VoIP
• Buzz around dual-mode solutions among enterprises
  on synergy between IP PBXs and Wi-Fi LANs
  equipments.
• The leading WLAN apps will include wired LAN
  backup and asset and RF ID tracking
• Half of mobile subscribers would use their mobile
  as the main phone if service cost and quality
  were comparable to landline

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Wi-Fi VoIP Benefits

• End User
• Convenience single device (convergence), single
  number, existing devices, easy add of new
  features, voice to data applications integration
• Services presence, VXML, sound quality
• Cost savings one device, single network charge,
  toll bypass
• Enterprise
• Single network, leverage existing network
• Cost control
• Productivity reachability, toll bypass,
  maintenance
• Scaleable (IP networks perception)
• Unified management
• Local network control (users, coverage, access)
• Mobile Carrier
• Increase Revenue
• Capture landline minutes
• Improve Coverage
• Leverage WLANs
• Lower Expenses
• WLANs much less expensive than new cell phones
• Lower Churn

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Wi-Fi VoIP Applications

• Market Segment Enterprise and vertical markets
  implementation
• Target Users Nurses, Teachers, Store clerks,
  Warehouse managers, IT managers, Construction
  workers
• Decision makers who need to always be available
  for quick responses
• Implementers who need to carry out tasks that
  requires mobility

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Wi-Fi VoIP Challenges

• WLAN
• Network Issues
• QoS
• Security
• Seamless Mobility
• Mobile Device
• Battery life must be maximized
• Price level
• Bandwidth management is required
• Call capacity should be maximized
• Standards compliance
• UMA 14 major phone vendors and telecom
  operators push unlicensed mobile access (UMA)
• 802.11i, 802.11e, 802.11r, and 802.11s working
  groups actively working on technology to enhance
  Wi-Fi experience

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Whats Happening Today

• NTT DoCoMo in Japan already offering dual-mode
  phones from NEC
• KT Telecom in Korea offering service with
  hand-off between cellular and hotspots
• BT has trialed a Motorola dual-mode phone that
  uses Bluetooth to connect to an enterprise WLAN
• AVAYA, Motorola, and Proxim announced prototypes
  of its dual-mode Wi-Fi/GSM GPRS
• Samsung introduced what it calls the world's
  first mobile WiMax handset. The Korean vendor is
  demonstrating WiBro, a Korean technology that is
  derived from the 802.16e spec that will form the
  basis of mobile WiMax, via the Samsung M800
  handset model.
• Calypso Wireless, Florida based wireless
  equipment manufacturer announce availability of
  its dual mode Wi-Fi/GSM-GPRS handset and the
  technology for seamlessly handing off between
  Wi-Fi and Cellular networks
• China Unicom, the Chinese second-largest mobile
  operator, has begun testing a service that
  combines cell phone service with VoIP. The trial
  offering is in China's southern Guangdong
  provinces using BridgePort Networks equipment

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Thank You