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모바일인터넷전화가이동통신시장의진화에미치는영향 2011. 12

1.,,.,,.,,..,,.,.,

2.,,,...,, mvoip.,, 4G LTE. 2011 12

3 1 9 1 23 2 mvoip 27 1 mvoip 27 2 mvoip 28 1. VoIP 29 2. 34 3 mvoip 38 1 mvoip 38 1. 38 2. 39 3. 41 2 42 1. 3P mvoip 42 2. mvoip 44 3 mvoip 45 1. Skype 45 2. Google 58 3. 63 4 mvoip MNO 64

4 1. mvoip MNO 64 2. mvoip 68 5 mvoip 83 1. 83 2. mvoip 86 4 mvoip 88 1 88 2 89 1. 89 2. mvoip 95 3. mvoip 100 3 mvoip 101 1. 101 2. 103 5 114 118

5 2 1 SSW 31 3 1 40 3 2 Skype 1 ( ) 46 3 3 Skype 47 3 4 Skype 49 3 5 Verizon Wireless Skype Mobile 56 3 6 Google 58 3 7 Sprint Everything Data Anytime Minutes Option 62 3 8 MNO mvoip, Ovum(2010) 65 3 9 MNO mvoip, Juniper Research(2010) 66 3 10 KT iphone 67 3 11 SKT 67 3 12 70 3 13 3G 4G mvoip 87 4 1 MNO 92 4 2 104 4 3 105 4 4 mvoip 107 4 5 mvoip 108 4 6 mvoip 109 4 7 mvoip 110 4 8 110

6 4 9 111 4 10 112

7 2 1 mvoip 29 2 2 VoIP 29 2 3 VoIP SSW 31 2 4 32 2 5 mvoip 34 2 6 mvoip 35 2 7 37 3 1 39 3 2 41 3 3 mvoip 43 3 4 Skype 48 3 5 Skype 49 3 6 3UK 52 3 7 3UK 53 3 8 MNO 54 3 9 Verizon Wireless 54 3 10 Verizon Wireless 55 3 11 Google 59 3 12 84 3 13 84 3 14 85 3 15, 86

8 4 1 88 4 2 (N=1,300) 89 4 3 (N=1,300) 90 4 4 (N=1,300) 90 4 5 IPA (N=1,300) 91 4 6 93 4 7 (N=1,182) 93 4 8 (N=1,182) 94 4 9 95 4 10 mvoip (N=1,300) 96 4 11 mvoip (N=869) 96 4 12 mvoip 97 4 13 mvoip 98 4 14 mvoip (N=431) 98 4 15 mvoip IPA (N=431) 99 4 16 mvoip 99 4 17 mvoip (N=1,044) 100 4 18 mvoip mvoip (N=1,300) 101

9 1. (mobile Voice over Internet Protocol, mvoip). Skype VoIP,,, 92.1% mvoip, 52.5% mvoip. mvoip., mvoip mvoip., LTE All-IP mvoip mvoip 3 mvoip? /?. 2., mvoip mvoip

10 mvoip. mvoip, /. mvoip, mvoip, mvoip mvoip,,. mvoip,, mvoip, mvoip. 3. mvoip. mvoip mvoip mvoip. mvoip,

11. 4. mvoip. 1. 3G mvoip 2. mvoip (, 100%, 0, 50%) 3. 1 2 1 0.74%, 2 1.61%, 3 2.36%. mvoip, mvoip. 3.4 4.4 5.4 6.4 7.9 9.4 1 + 0.8% + 0.7% 0.6% 0.5% 0.3% 0.2% 0.74% 2 + 0.8% + 0.6% + 0.6% 0.0% 0.6% 1.5% 1.61% 3 + 1.7% + 1.3% 0.1% 0.4% 0.8% 1.7% 2.36%

12 5.. mvoip 2 mvoip. mvoip (3G, WiBro, WiFi ) VoIP( IP ). mvoip VoIP, VoIP,,, mvoip., VoIP SIP(Session Initiation Protocol) RTP(Real Time Protocol) ( ),. VoIP SIP RTP P2P., VoIP,,,,, CDR., VoIP mvoip /., mvoip, mvoip., OS, mvoip mvoip. mvoip VoIP,,, VoIP, mvoip.

13. VoIP.. mvoip 3 mvoip mvoip,, mvoip mvoip ( ) mvoip. mvoip mvoip,., iphone PC,., mvoip, 3G, 4G mvoip., Apple Google,,.,, mvoip, mvoip.

14 mvoip mvoip, mvoip.,,. mvoip, mvoip, mvoip. mvoip Skype 6 VoIP OS,. Skype,. 2010 6 6,300 21.9%, 1.3%. Skype 45% 2008. Skype 3UK, Verizon MNO (Mobile Network Operator) Facebook Qik. Microsoft Microsoft Skype.

15 Google, Gmail, YouTube, Picasa, igoogle. Google, 2010 1 Google 74.8%. Google VoIP Google Voice. Google Voice VoIP mvoip, Google. 2011 3, Google Sprint Sprint Google Voice.,,,., mvoip.,, 2011 2 mvoip 200, 8 1,200. mvoip MNO mvoip MNO.,.

16, SKT KT 54,000 mvoip. MNO FCC mvoip,.,, mvoip, NTT DoCoMo Softbank mvoip. mvoip, mvoip mvoip. FCC MNO mvoip, mvoip. mvoip MNO mvoip. mvoip mvoip MNO,, ICT,. mvoip /, 3 rd party mvoip. mvoip 2010 53 2015 76, 2015 5

17 730 2009 21%. 2015 66%.,. mvoip. mvoip, mvoip. Juniper Research(2010) mvoip 2010 3,850 2015 4 5,310. Ovum(2011b) 2015 76, Juniper Research 3G 6% mvoip.. mvoip 4 mvoip mvoip. 3 49, 155, 3G 560MB. 3G WiFi 56.4% 3G 54 3G. 1) 1) 54 54,000. 44, 64.

18 65.5%(1 + 2 ),, /, mvoip 46.7%. 90.9% 54 (52.5%), 44 (17.9%), 34 (15.6%), 64 (9.2%). 54 3G ( ), 34, 64. SMS 3G. mvoip, 64. 65.3%, 5 10. mvoip 92.1% mvoip. 52.5% 2011 mvoip, 1 mvoip (mvoip ) mvoip 63.2%. mvoip 40.6%, 80.7%. 21.6% (36.7%) (33.5%). mvoip 19.6% mvoip, 56.7% WiFi mvoip. mvoip,. mvoip

19, (70.0%), 90.3%. mvoip, mvoip, 41.0%, 39.3%, 19.7%, 5 3.23. mvoip 38.0%, 1 2. mvoip mvoip, WiFi, mvoip, mvoip 4 mvoip,, mvoip mvoip, WiFi,. mvoip mvoip (random utility model) (discrete choice model).., 90%,., mvoip.

20 100MB 500MB, 500MB. mvoip,, mvoip WiFi WiFi 3G,. 3G mvoip, WiFi mvoip. mvoip mvoip. mvoip mvoip mvoip mvoip., mvoip. 44 3G mvoip, mvoip (, 100%, 0, 50%),,. MNO, 1 0.74%, 2 1.61%, 3 2.36%. mvoip mvoip MNO mvoip.

21 6. mvoip MNO MNO. mvoip mvoip, MNO. MNO mvoip., MNO mvoip?. All-IP 4G LTE, mvoip. MNO mvoip mvoip mvoip,,, mvoip. MNO mvoip., mvoip,,.

22,, mvoip 3G 4G.

1 23 1 2009 iphone.,.,. (mobile Voice over Internet Protocol, mvoip). mvoip VoIP, mvoip (3G, WiBro, WiFi ), 2) VoIP(Voice over Internet Protocol) (Phone, PC). 3), 2) ( WiFi 3G),. mvoip WiFi, mvoip. 3) VoIP PC (SoftPhone) IP (HardPhone). VoIP,, VoIP ( ).

24 mvoip, mvoip mvoip., mvoip mvoip, MVNO(Mobile Virtual Network Operator, ). 4), MVNO MNO(Mobile Network Operator) MVNO MNO, mvoip,, mvoip, MNO. mvoip MNO, MNO mvoip, mvoip., All-IP 4G IP, mvoip, MNO mvoip mvoip mvoip? /?., 4) mvoip 3 rd party mvoip, MNO MVNO 3 mvoip.

1 25 mvoip mvoip. mvoip MNO mvoip MNO. mvoip, MNO., ( ) MNO mvoip,, mvoip. mvoip mvoip MNO., 54,000,. 5) mvoip, WiFi mvoip, 94,000 mvoip 54,000 MNO. mvoip, MNO 5) 44, 54, 64. 4.

26, mvoip.., 2 mvoip. 3 mvoip mvoip,, mvoip mvoip ( ), mvoip. 4 mvoip mvoip. 5 mvoip.

2 mvoip 27 2 mvoip 1 mvoip 3G, LTE All-IP 20. (circuit switching) 6) (packet switching), 7) mvoip, 4G mvoip. mvoip (3G, WiBro, WiFi ) VoIP., mvoip VoIP SIP(Session Initiation Protocol) IP 6) ( ), 1 1.,,. 7) ( ).

28. mvoip mvoip 3 rd party player( 3PP) mvoip( 3P mvoip). mvoip MNO, MVNO MNO mvoip, 3P mvoip MNO mvoip. 4G mvoip, 8) mvoip 3 rd party mvoip ( 3P mvoip,, mvoip, mvoip 3P mvoip, 3P mvoip ) 3G WiFi, 3P mvoip. 2 mvoip 9) mvoip WiFi, 3G (Mobile Packet Network),, VoIP VoIP. 8), WiBro, MVNO mvoip. 9) mvoip,.

2 mvoip 29 2 1 mvoip : (2011) 1. VoIP. VoIP VoIP,. 2 2 VoIP : (2011)

30 VoIP. ( /, IP ) ( 2 2 ), (P2P) ( 2 2 ). 10) VoIP, SIP(Session Initiation Protocol). SIP IETF(Internet Engineering Task Force), H.323 11),,,. RTP/RTCP. RTP(Real Time Protocol) (end-to-end), IP QoS. RTCP(Real Time Control Protocol) RTP (,, ).. ( ) VoIP (Softswitch, SSW), SSW. 10) mvoip (mvoip ),. 11) H.323 QoS LAN,,, 1995 VoIP 2004 SIP.

2 mvoip 31 2 3 VoIP SSW : (2011) SSW SIP, H323. SSW,,,, CDR 2 1. 2 1 SSW CDR : (2011) VoIP, IP,,,,, CDR(Call Detail Record) /, /

32. (Gateway, GW) VoIP mvoip /. GW, Skype GW. SGW(Signaling Gateway) PSTN IP (ISUP: ISDN User Part). MGW(Media Gateway) VoIP PSTN. VoIP, PSTN TDM(Time Division Multiplexing).,. 2 4 : (2011). mvoip mvoip (Hardware, H/W), (Operating System, OS) 12) mvoip (Software, S/W) 12) GPOS(General Purpose Operating System)

2 mvoip 33. H/W, OS, H/W PC. 3P mvoip S/W mvoip, VoIP,,. VoIP mvoip., mvoip,, (UI).. PSTN 64kbps G.711. mvoip, ( : Skype SILK for Skype). G.711, G.729, G.723, G.711, G.729, G.723. mvoip G.711 CPU,.,. 4G G.711. H/W S/W. Gartner, 2011 1 OS, 36%, 27.4%, ios 16.8%, RIM 12.9%, MS 3.6%.

34 2 5 mvoip : (2011) IP.,, / S/W (Voice Engine). S/W, Google GIPS SPIRIT, 2011 4. 2. mvoip. WiFi VoIP, WiMAX VoIP, 3G VoIP, 4G(WiMAX LTE) VoIP, WiFi VoIP.

2 mvoip 35 2 6 mvoip : (2011). WiFi mvoip VoIP WiFi. 13) WiFi BT FMC(Fixed Mobile Convergence) VoIP. AP WiFi ( ). WiFi VoIP 2006 SIP Nokia E. 13) WiFi (WiFi Alliance), IEEE 802.11 (WiFi P2P), PAN/LAN/WAN. WiFi 3G, AP(Access Point), AP.

36. 3G mvoip 3G(3 rd Generation) WCDMA (ITU) 3. 1, 2, 3, 4 All-IP. MNO 3G mvoip MNO 3P mvoip. MNO mvoip MNO, 3G, mvoip. 3G mvoip, mvoip MNO, mvoip MNO 3G mvoip. 3 3.. WiMAX mvoip WiMAX(Worldwide Interoperability for Microwave Access), mobile fixed WiMAX. WiBro mobile WiMax 4G. WiMAX LTE 2, MNO 3G LTE. mwimax Clearwire 2009, 2010 mvoip, mvoip

2 mvoip 37. 14) 2 7 : ETRI. LTE(Long Term Evolution) LTE 50Mbps/100Mbps,. MNO All-IP., 80% LTE. LTE VoIP, All-IP LTE. 14), Sprint Clearwire CDMA1x EV-DO Sprint CDMA WiMAX (HTC EVO Epic ) Clearwire Sprint mvoip.

38 3 mvoip 1 mvoip mvoip,. mvoip,,. 1. 2000 Ericsson. Nokia, RIM, 2007 Apple iphone itunes 3P,, iphone (UX). iphone PC,. WIPI 15) 1 2, iphone 15) WIPI(Wireless Internet Platform for Interoperability)

3 mvoip 39 2011 3 23 1,000 ( 19.6% ), 9 1,833 30%, 11 2,000. 3 1 :, comscore(2011) 16) 2. mvoip, 3G, 4G mvoip MNO. MNO, CP MNO, WIPI, WIPI. 16) comscore. 20%, 2011 50%, 2015 84%.

40. Ovum(2011b) 2010 52 7. WCDMA, TD-SCDMA, HSPA, LTE, CDMA 1XEV-DO, Mobile WiMax 17.1%, 2015 40.9% 30. 3 1 ( : ) 2010 2011 2012 2013 2014 2015 CAGR 2G GSM 4,009,619 4,228,376 4,347,782 4,382,764 4,315,255 4,220,593 1.0% WCDMA 327,990 366,238 392,969 375,909 344,598 295,572 2.1% TD-SCDMA (incl.td-hspa) 20,331 69,660 100,616 130,190 157,194 162,985 51.6% HSPA 355,875 601,390 885,908 1,201,712 1,538,373 1,829,375 38.7% LTE 139 3,423 21,693 68,989 166,771 346,614 377.9% cdmaone 299 200 129 96 64 28 37.6% CDMA2000 1XRTT CDMA 1XEV-DO Mobile WIMAX 343,619 336,465 316,110 290,865 270,028 244,478 6.6% 185,059 234,731 288,110 338,434 374,846 397,821 16.5% 9,715 18,437 27,454 38,046 49,853 61,923 44.8% Other 16,532 12,138 10,324 10,078 9,410 8,107 13.3% 5,269,178 5,871,057 6,391,096 6,837,083 7,226,390 7,567,496 7.5% : Ovum(2011b) 3G. 3G WiFi mvoip. WiFi mvoip, MNO WiFi 3G mvoip

3 mvoip 41. 3 2 : (2010) 3.. Apple iphone-itunes MNO 3PP,, Google OS, MNO. Apple Google MNO,.,,,. 17),,

42 mvoip, mvoip.. 2 1. 3P mvoip mvoip mvoip 18) mvoip., mvoip, VoIP, Skype mvoip., mvoip mvoip., mvoip. 17). 18) (2008) (Two-Sided Market) /.

3 mvoip 43 3 3 mvoip 3 3 mvoip. 19) mvoip, mvoip, mvoip, 3G MNO, mvoip MNO., mvoip mvoip. mvoip, 20) mvoip, ( )., mvoip, mvoip, mvoip 19) mvoip WiFi MNO 3G. VoIP mvoip,. 20) /,,, VoIP.

44. 2. mvoip mvoip, mvoip, MNO mvoip., mvoip, MNO. VoIP,., 3P mvoip MNO MNO. 21) mvoip.,,. 22) mvoip MNO mvoip (neutralize, mvoip ), 21), 3P mvoip PC-to-PC VoIP MNO., MNO 3P mvoip, 3P mvoip mvoip. 22).

3 mvoip 45. SNS mvoip., mvoip mvoip. 3 mvoip Skype Google, mvoip. 1. Skype. Skype 6 VoIP OS. Skype VoIP,. 23) 2010 6 6,300 Skype 2 70 ( ), 1 7,600 SMS. 880 8 6,000 23) Skype 2003 8 SkypeOut(2004 7 ), SkypeIn(2005 3 ), SkypeGroup, iphone (2010 5 ).

46, 700.. Skype Skype. Skype (Skype-to-Skype) Skype MNO. MNO. Skype Skype, Skype.. 3 2 Skype 1 ( ) Skype ( ) 137 / ( 59 + 78 / ) 83 / ( 59 + 24 / ) Skype 108 / 127% 282 / 29% :, KT 001 : Skype (2011. 11. 22) Skype,.. Skype. 2010

3 mvoip 47 880 Pay-As-You-Go(PAYG) (subscription). 24) Skype. Skype Skype Manager (PBX) Skype Skype Connect. Skype Manager, Skype Connect SkypeOut. Skype, Click&Call Advertising with Skype, Sponsored Downloads, Display Advertising. Skype (licensing fee) Skype (referral fee). 3 3 Skype Voice Video PAYG Skype-to-Skype SkypeOut SkypeIn Call forwarding Multi-party conferencing Skype-to-Go Video calls Group video calling Video broadcast Video recording Social video sharing Video messaging 24) 2010 81% PAYG, 28%.

48 PAYG Instant messaging Messaging SMS Text messaging Voicemail Screen sharing Collaboration Multi-party chat File transfer Presence Online presence Mood Directory Registered user directory Access SkypeAccess : Skype(2011). mvoip Skype 2010 6 3 4 Skype ( : ) : 1) MySpace Tel-Online Limited 2) 3 Skype : Skype(2011)

3 mvoip 49 6,300 21.9%, 1.3%. SkypeOut, 8 6,000. 45% 2008. 2007 $6.9 2010 $8.1. 3 5 Skype ( : $) : Skype, : Skype(2011) 3 4 Skype 2008 2009 2010 Skype-to-Skype ( ) 65.5 113.0 194.3 ( ) 6.9 10.7 12.8 ( ) 86 131 129 ( ) 112 107 131 SMS ( ) 85 126 176 : Skype(2011)

50 2010 Skype 1,943, 128. 3 129, 131.. Skype mvoip PC VoIP Skype PC Skype. Skype, 3 Skype,,,. 2008 4 Java Skype for your Mobile 2009 3 WiFi 3G Skype iphone Skype for iphone. T-Mobile 2009 4 Skype, 2009 6 MNO. Skype IM LBS. 3UK Verizon Facebook Qik. Microsoft Skype Skype.. MNO 1) Skype-3UK 3UK

3 mvoip 51 2006 Skype. 25) 3UK 2008 5 (IM) Skype, 1 Skype /. 3UK Skype SIM Skype. MNO VoIP 3UK Skype. mvoip, 3UK Skype. 3UK Skype 3UK Skype. Skype. 3UK Skype Skype. CSS Insight Consulting 3UK Skype non-skype 20%, 60%. SMS Skype non-skype 30%. 3UK Skype 66% 25) Hutchison Whampoa 3UK 2003. 3UK 2010 Everything Everywhere(Orange + T-Mobile), Vodafone, O2 4 5,589 7%..

52, Skype 75%, non-skype 50%. Skype 80%, Skype 3UK 20% ARPU, 14%. 26) 2006 2010 3UK (385 559 ) (15 2,000 15 6,400 ) ARPU (34.77 20.49 ).. 27) 2009 unlock 2 SIM Skype. 28) 3 6 3UK : Merrill Lynch(2010) 26) The Register (2010. 6. 28) 27) Skype. 28) OVUM(2009)

3 mvoip 53 3 7 3UK : Merrill Lynch(2010) 2) Skype-Verizon Wireless Verizon Wireless 2010 94,625 95,704 AT&T Wireless 1, 2. 29)30) AT&T iphone 2007 Verizon AT&T, Verizon Skype. 31) 29) Sprint Nextel 4,990, T-Mobile 3,370. 30) 2011 3 2 AT&T 4 T-Mobile 1 3,000 1 MNO. AT&T 42.8%, Verizon 70%,. 31) Verizon 3, 31%. 2010 563, 2008 34% 2 AT&T 2%p.

54 3 8 MNO 32) ( : ) : FCC(2010) 3 9 Verizon Wireless : 2010 Merrill Lynch Annual Report. : Merrill Lynch(2010) 32) AT&T 2007 iphone 43%, 200%, 40%. iphone iphone AT&T.

3 mvoip 55 3 10 Verizon Wireless : Merrill Lynch(2010) Skype, Verizon Skype Mobile. 33) Verizon Skype Skype-3UK Verizon Skype Verizon (circuit-switched network). Skype Mobile Skype Verizon,. Skype Mobile Skype Skype Mobile Verizon Skype Verizon Skype WiFi. 34)35) 33). 34) FierceWireless (2010. 2. 21) 35) Verizon Skype Mobile WiFi WiFi Skype Mobile WiFi

56,., 39.99, 30 Skype Mobile, Verizon Skype Skype., Skype Mobile Verizon,,, (presence) Skype 3G. 36) Skype, Verizon, Skype. 3 5 Verizon Wireless Skype Mobile Skype Skype IM Skype Skype ( ) Verizon Verizon ( ) Skype Skype Skype, 2010 9 Skype Mobile Client. 36) Connected Planet (2010. 4. 14)

3 mvoip 57. Microsoft Skype Google mvoip, Apple, Facebook mvoip mvoip Skype. 37) Skype MNO. Skype, (OS, ) Microsoft, 5 Microsoft 85 Skype. 38) Microsoft Skype mvoip Apple, Google SNS. Microsoft Lync(IM,, ), MS Skype MS Skype mvoip OS. 39) Skype, mvoip Skype., 2009 2010 Skype (electronic communications services), (notification obligation). 37) Skype 880 8. 38) Microsoft Skype 2011 6 17 DoJ/FTC. 39) Microsoft,,, Skype mvoip.

58 2007 2008 Skype SkypeOut. 40). 2. Google. Google, Gmail, YouTube, Picasa, igoogle. Google Google.com,, Client, Google GEO, Android Google Mobile, Google Checkout, Google Labs. 3 6 Google Google.com Applications Client Google GEO Google Web Search, Google Images, Google Books, Google Scholar, Google Finance, Google News, Google Videos, Google Blog Search, igoogle and Personalized Search, Google Merchant Center, Google Custom Search, Google Trends, Google Music Search, Google Webmaster Tools Google Docs, Google Calendar, Gmail, Google Groups, Google Readers, orkut, Blogger, Google Sites and YouTube Google Toolbar, Google Chrome, Google Chrome OS, Google Pack, Picasa, Google Desktop Google Local Search, Google Maps, Panormio, Google Earth, Google Sketchup, Google 3D Warehouse, Google Building Maker 40) SkypeOut public telephone service.

3 mvoip 59 Android and Google Mobile Google Check Google Labs Android, Google Mobile : Google Annual Report(2010. 2. 12). Google, 2010 1 Google 74.8%. 2011 3 273 96.5%. 2011 71.5%,,,. 3 11 Google ( : ) 21,796 23,651 29,321 27,321 16,594 : Google(2011) Google Google Google 3 ( ) Google

60. Google Google.com (YouTube) (AdWords). 3 (AdSense). AOL., Google Google Search, Google Maps, Google Earth, Google Apps Google Enterprise 2006 8. 2008 3.06% 2009 3.22%.. Google Google B2B. Google OS OS. Google VoIP Google Voice. Google Voice VoIP mvoip, Google. 41) Google Voice ( ) 2 3, Google 41).

3 mvoip 61. 42) Google Voice Google Voice ( ) ( ) VoIP. Google VoIP Gizmo (2009 11 ) Call Back Skype VoIP Call Back, MNO. 43). Google-Sprint Motorola 2011 3 21, Sprint Google Sprint Google Voice Number Google Voice. Google Voice 20, MNO, Sprint Google Voice. Google Voice Sprint Google, Google, 44) Sprint. 45) VoIP, Google MNO 42) 2011 3 Sprint Google Google Voice Sprint. Nexus S 4G Google Voice. 43) http://www.bloter.net/archives/42620 44) AllVoIPNews (2011. 3. 26) 45) Google Voice Sprint Sprint.

62. Sprint Everything Data Anytime Minutes Option Google Voice, Google Voice. 3 7 Sprint Everything Data Anytime Minutes Option 69.99 79.99 450 45 / 89.99 99.99 900 40 / : 1 = 1,120 ( 2011 1 ) : Sprint Sprint Google Google Voice 1, 2 Sprint mvoip. AT&T iphone, Verizon, Sprint T-Mobile. AT&T T-Mobile Sprint Sprint Google Voice. Sprint, Google Voice, 2011 5 9 Nexus 4G Google Voice. 2011 8 15, Google Motorola Mobility Holdings 125. Google S/W H/W

3 mvoip 63. Google Apple, Nokia Microsoft.,,. Google. 3.. (Daum Communications Corp., ),,,. 46) PC,, mvoip.. 2010 5 iphone 2010 9., 2011 2 mvoip 200, 8 1,200 47). KISDI (2011), mvoip 46) 2011 2 1,034, 92% ( 490, 505 ).

64 65.0%, 45.7%.,,. 2011 2,000. 48), 4.1, 49) 35%. 50) 2011 4 19 WiFi SNS. 4 mvoip MNO 1. mvoip MNO Ovum(2010b) MNO mvoip (Block), (Tolerate), (Neutralize), (Special Tariffs), (Embrace), (Compete). mvoip,, mvoip. 47) (2011. 8. 28) 48) 10% PC. 49) (2011. 5. 30) 50) Bloter.net (2011. 3. 2)

3 mvoip 65 3 8 MNO mvoip, Ovum(2010) Block Tolerate Neutralize Special tariffs Embrace Compete mvoip * mvoip client,, DPI(mVoIP ), VoIP mvoip ( : WiFi ) block/tolerate mvoip ( mvoip ) mvoip (mvoip, ) * T-Mobile( ): + ( $13.5 20) mvoip * Orange( ): + ( $20) mvoip * Vodafone Mobile Broadband Plus : $77 mvoip/p2p, 3GB ( : non-voip $23) MNO over-the-top VoIP *,, FMC mvoip MNO *,, * 3UK: 2007, (2009 9, Skype 45%, 25%, 17%, ) * Verizon-Skype(2010 2 ):, MNO mvoip VoIP ( : VoIP ) LTE : OVUM(2010b), (2010) Juniper Research(2010) mvoip., mvoip,, MNO mvoip, LTE mvoip.

66 3 9 MNO mvoip, Juniper Research(2010) nascent emerging market acceptance reaching maturity. MNO MNO VoIP, VoIP, MNO mvoip MNO LTE. /, LTE developed (, ). LTE mvoip : Juniper Research(2010), (2010) mvoip MNO. 51),., SKT KT 54,000 mvoip. 52) 51) MNO mvoip. All-IP 4G mvoip MNO, Telefonica 2009 12, mvoip Jajah 1 4,500., mvoip / MNO mvoip. 52) WiFi mvoip. mvoip mvoip.

3 mvoip 67 3 10 KT iphone SMS QoS ( ) mvoip ( ) 34,000 150 250 100MB 44,000 200 350 500MB 44,000 250 350 100MB 54,000 300 350 75MB 750MB 64,000 400 450 100MB 1,000MB 78,000 600 650 150MB 1,500MB 94,000 800 ( ) 1,050 300MB 3,000MB : 1) 0.025 /0.5KB(50 /1MB) 2) mvoip : KT 3 11 SKT SMS QoS ( ) mvoip ( ) 34,000 150 200 100MB 44,000 200 250 500MB 54,000 300 250 70MB 200MB 64,000 400 450 100MB 300MB 79,000 600 650 150MB 500MB 94,000 1,000 1,050 200MB 700MB : 0.025 /0.5KB (50 /1MB) : SKT MNO FCC mvoip,. 53)

68,, mvoip MNO, 54) NTT, Softbank Orange, T-Mobile mvoip. 2. mvoip. mvoip. (Network Neutrality),,,, (equal treatment of all data packets; no priority delivery). 55)56) 53) Verizon $69.99( $39.99 + $30 (2GB), + $5), AT&T $54.99( $39.99 + $15(200MB), + $10). 54) Vodafone 41 mvoip (, mvoip 15 ), T-Mobile 59.95 mvoip (, mvoip 9.95 ), Orange 49 mvoip (, mvoip 15 ). 55),,., ( ) mvoip. P2P. QoS (, managed service) (, best-effort internet)

3 mvoip 69, 3PP (access) 3PP.., Google 3PP, 3PP., mvoip,,.,,,, EU. 3 12.. 56) Open Internet (FCC), Network Management and Net Neutrality (Ofcom).

70 3 12 vs. ISP, / ( ) ISP, ISP,,, P2P VoIP /

3 mvoip 71 vs. / walled garden : (2010). (2011a) mvoip mvoip. FCC MNO mvoip, mvoip. mvoip, mvoip. 57). mvoip MNO mvoip,. 58) 57) mvoip VoIP, 3P mvoip, 3P mvoip.

72 SKT KT 54 mvoip, LGU+ mvoip. 59) 3 MNO 52.9% mvoip. 60) mvoip,. mvoip MNO mvoip. 61), mvoip,, MNO. MNO mvoip 58) mvoip,., mvoip. 59) mvoip DPI(Deep Packet Inspection). mvoip, DPI mvoip. 60) SKT, KT 50%, 34%(, 2011.9, LGU+ 16%) 54 68%, 55%(KISDI, 2011). 61) 2011 11 24, SKT KT mvoip, 3PP.

3 mvoip 73, 54., MNO mvoip mvoip (foreclosure),. mvoip mvoip MNO,, ICT,. mvoip /, 3P mvoip., / mvoip mvoip MNO,., MNO. 62), 3P mvoip 3P mvoip, MNO 3P mvoip 62) Verizon $30, $30 2GB(2GB 1GB $10 ), KPN 37.5 1000MB, 250MB.

74. LTE MNO mvoip, MNO mvoip 3PP mvoip, mvoip. mvoip., MNO, MVNO MNO, 3P mvoip MNO mvoip.. 63),,. 64),, 63) (2011a). 64),,.

3 mvoip 75 3PP,.. 1) FCC ISP, 65) FCC 2010 12 FCC. 66) 65) ISP,. ISP, 1 (RBOC), 1, 2009 70% 2 ISP(3Mbps ).,., NO/ISP( ) Common Carriage ( : ), NO/ISP, FCC NO/ISP.,,. 66) FCC 2009 10, NPRM.

76 FCC,, (control),,. (Transparency), (No Blocking), (No Unreasonable Discrimination), ISP.,. 67), FCC ISP,, 3PP, 3PP,,. 68),,,. 69) 3PP 67) A person engaged in the provision of broadband Internet access service shall publicly disclose accurate information regarding the network management practices, performance, and commercial terms of its broadband Internet access services sufficient for consumers to make informed choices regarding use of such services and for content, application, service, and device providers to develop, market, and maintain Internet offerings. FCC (2010a) 68),,. FCC, FCC.,. 69) ( ) A person engaged in the provision of fixed broadband Internet access service, insofar as such person is so engaged, shall not block lawful content, applications, services, or nonharmful devices, subject to reasonable network management. ( ) A

3 mvoip 77,,,. 70) FCC,, 700MHz. FCC, mvoip 3PP.,. 71) ISP., FCC,. 72) person engaged in the provision of mobile broadband Internet access service, insofar as such person is so engaged, shall not block consumers from accessing lawful websites, subject to reasonable network management; nor shall such person block applications that compete with the provider s voice or video telephony services, subject to reasonable network management. FCC(2010a) 70). 71) A person engaged in the provision of fixed broadband Internet access service, insofar as such person is so engaged, shall not unreasonably discriminate in transmitting lawful network traffic over a consumer s broadband Internet access service. Reasonable network management shall not constitute unreasonable discrimination. FCC(2010a)

78,,, 73) FCC,,, (Network Security or Integrity and Traffic Unwanted by End Users), (Network Congestion). FCC. 2) EU EU,., 2009. 74) 72). (Transparency) :, (End-User Control) :, (Tired, ), (Use-Agnostic Discrimination) : ( ),, A B A B, (Standard Practices) :, 73) A network management practice is reasonable if it is appropriate and tailored to achieving a legitimate network management purpose, taking into account the particular network architecture and technology of the broadband Internet access service. FCC (2010a)

3 mvoip 79 EC 2009. EC EC,,. (Net freedoms) (Annual progress report)., EC 2010 6 (Consultation paper), EU. 2010 11 9 EC, 2011 4, EU, QoS 74) EU 2009,., EU (information society services) (transmission of contents), (FD, 8 2(b), AD 2 2)., EU,,,, (USD 20 1 & 2)., EU, (USD 22 3)., EU, (FD 8 4(g))., EU, e2e (AID 2(a)).

80, EU,. 3) EU 2011 4, 1 KPN, 75) ISP. 2011 6,.,, (integrity) (security),,,. 4) 2010 6, Ofcom (Consultation process). 76) Ofcom ISP,, 75) KPN mvoip, IM, Youtube. 76) Ofcom(2010)

3 mvoip 81., Ofcom. 77) Ofcom (substantial market power) ISP.. Ofcom,, ISP ( ),,,,,,, one stop shop. Ofcom mvoip,. 78) 5) ARCEP 2010 10 (Proposals and Recom- 77) Ofcom,, ISP. 78) Ofcom(2011)

82 mendations). ARCEP. ARCEP,,,,,,, QoS,. ARCEP,,, 10, ARCEP. ARCEP 3PP ARCEP,. 6) 2010 8 ISP ISP. Subtel ISP. 79) 79) Subtel 2007 1, 2 94%

3 mvoip 83 ISP,, ISP,,,,. ISP. 7),. mvoip, mvoip. 80) 5 mvoip 1. 2010 53 2015 76., 7.5%., (traffic shaping) (blocking of ports). 80) Vodafone.

84 3 12 ( : ) : Ovum(2011a). 2009 2010 6%, 32%. 2015 5 730 2009 21%. 3 13 ( : ) : Ovum(2011a)

3 mvoip 85 2015 66%.,. 3 14 ( : ) : Ovum(2011a) 2010 6 580 2015 6 530 0.2%. 2010 2 422 2015 3 747 9%, 2015 36%.,, 60%,, MNO.

86 3 15, ( : ) :,, : Ovum(2011c), mvoip. MNO (traffic shaping). MNO. MNO VoIP. 2. mvoip mvoip. mvoip, mvoip. Juniper Re-

3 mvoip 87 search(2010) mvoip 2010 3,850 2015 4 5,310. Ovum(2011a) 2015 76, Juniper Research(2010) 3G 6% mvoip. mvoip 2010 9.5 2015 188.6 20. 2015 mvoip 3%. 3 13 3G 4G mvoip 2010 2011 2012 2013 2014 2015 mvoip ( ) 38.5 58.8 107.3 182.3 296.2 453.1 mvoip ( ) 949.4 1,926.9 3,469.4 6,225.3 11,110.8 18,864.4 mvoip ( ) 15.1 33.7 66.4 132.2 259.3 470.7 : Juniper Research(2010) mvoip., mvoip mvoip. MNO mvoip, WiFi, mvoip mvoip.

88 4 mvoip 1 mvoip, 4 1. 4 1 스마트폰이용실태 mvoip 이용실태 환경변화에따른 mvoip 이용의향 통신사 / 이용단말기 /OS 가입요금제 / 지불요금 / 월이용량 ( 음성, 문자, 데이터 ) 요금제선택요인 / 만족도 스마트폰구입이유 / 스마트폰이용기능 / 만족도 mvoip Application 인지도 / 이용경험 mvoip 통화량 / 통화상대 / 장소 / 상황등이용현황 mvoip 이용 ( 비이용 ) 유무및이유 mvoip 만족도 / 이용의향 /mvoip 이용시이동전화요금제변경의향 mvoip 요금제제한완화후 mvoip 이용의향 WiFi 커버리지확대에따른 mvoip 이용의향 mvoip 이용자증가시 mvoip 이용의향 mvoip 통화품질향상시 mvoip 이용의향 20 49 2011 8 29 9 5 1,300. 4 2. 78.9% 20 30, 95.1%. 54 52.5%. 52.5% 2011 mvoip.

4 mvoip 89 4 2 (N=1,300) : KISDI (2011) 2 1.., 3 49, 155, 3G 560MB., mvoip 4 22 mvoip 3 33 50. mvoip, mvoip 707MB 498MB 200MB. 54 912MB 64 766MB,

90 4 3 (N=1,300) : 3G, / 5% : KISDI (2011) ( ). 3G WiFi 56.4% 3G 54 3G. 4 4 (N = 1,300) : KISDI (2011)

4 mvoip 91 65.5%(1 + 2 ),, /, mvoip 46.7%.. 100 64.2. (70.4 ), (66.8 ) (52.9 ), (56.5 ). (25.9%), 3G/ (24.1%), (22.3%). 4 5 IPA 81) (N=1,300) : 5 (1:, 5: ), 100 : KISDI (2011) 81) IPA: Importance-Performance Analysis

92. 90.9% 54 (52.5%), 44 (17.9%), 34 (15.6%), 64 (9.2%). MNO SK KT 54 68.2%, 55.1% 50%, LGU + 41%. 4 1 MNO 34 44 54 64 79 94 ( : %) SK 631 11.1 15.1 57.1 6.3 2.9 1.9 5.8 i- (34 ) i- (44 ) i- (54 ) i- (64 ) i- (78 ) i- (94 ) i-talk ( ) ( : %) KT 407 14.5 20.6 48.9 2.7 1.0 2.5 3.4 6.2 34 44 54 64 74 94 ( : %) LGU+ 144 37.5 19.4 33.3 5.6 0.7 1.4 2.1 : SKT 2011 8 54 65.7%, 68.2%. : KISDI (2011) 84.6%, 42.3%, 30.8%, 24.7%. 3G ( ) 63.3%(1 + 2 ),

4 mvoip 93 4 6 : KISDI (2011) (46.2%), (42.5%)., 54 3G, 34, 64. 4 7 (N = 1,182) : 1) 1, 2 2) Base : KISDI (2011)

94 SMS 3G. mvoip, 64., 100 200 40.9%, 2 12. 50 35.5% 1 29 3 2. 4 8 (N = 1,182) ( : %) : Base : KISDI (2011) 6 7, mvoip 6 9 mvoip 6 6. mvoip mvoip 3G.

4 mvoip 95 4 9 : 1) mvoip 1 2) mvoip mvoip,, 1 3),, : KISDI (2011) 65.3%, 5 10. 2. mvoip. mvoip 92.1% mvoip, mvoip,,. 2 1 (52.5%) 2011 mvoip, mvoip (29.8%),

96 4 10 mvoip (N = 1,300) ( : %) : KISDI (2011) (26.8%),. 4 11 mvoip (N = 869) : Base mvoip 1 : KISDI (2011)

4 mvoip 97 mvoip 40.6%, 80.7%. 21.6% (36.7%) (33.5%). 4 12 mvoip : KISDI (2011). mvoip 1 mvoip mvoip 63.2%, mvoip. mvoip 9 ( 1 3 ) mvoip, 1 4 mvoip, 1 10. mvoip 19.6% mvoip, 56.7% WiFi mvoip. WiFi 44. mvoip WiFi

98 4 13 mvoip : 1) mvoip Base mvoip 2) 1 mvoip : KISDI (2011) (53.8%) (46.9%), 49.7% mvoip ( 6 ), /. 4 14 mvoip (N = 431) : Base mvoip : KISDI (2011). mvoip mvoip

4 mvoip 99,. 4 15 mvoip IPA (N=431) : 1) Base mvoip 2) 3) (Mulitiple Regression Analysis) : KISDI (2011) 4 16 mvoip : mvoip Base mvoip : KISDI (2011)

100 mvoip, (70.0%), 90.3%. 3. mvoip. mvoip mvoip, mvoip, 41.0%, 39.3%, 19.7%, 3.23. mvoip 38.0%, 1 2. 4 17 mvoip (N = 1,044) : 1) Base mvoip,, 2) : KISDI (2011)

4 mvoip 101. mvoip mvoip mvoip, WiFi, mvoip, mvoip mvoip., mvoip mvoip, WiFi,. mvoip, mvoip. 4 18 mvoip mvoip (N = 1,300) : +, + : KISDI (2011) 3 mvoip 1. mvoip (random utility model) (discrete

102 choice model).., (4-1). (4-1), (, deterministic utility) (, stochastic utility)., ( ) ( )., (4-2). Pr P r (4-2),.,. I (iid. type I extreme value), (4-3) (Train, 2003). (4-3) exp, exp

4 mvoip 103,, (4-4). (4-4) (4-4),. (part-worth) (4-5). (4-5) (4-5). 2.., (4-6) (Maximum Likelihood Estimation). 4 2,,,, 3.

104 4 2 A B C 1. 300 500 100 2. 100 100 300 3. 100MB 500MB 4. ( ) (WiFi) 3G 5. 50,000 70,000 50,000 (4-6) ( ), ( ), ( ), 100MB 500MB. 100MB 0, 500MB, 1. 82) mvoip, WiFi mvoip, 3G mvoip. mvoip 0, mvoip WiFi, WiFi 82) 100MB.

4 mvoip 105 3G 1.,, mvoip ( ), ( ), ( ), (MB), ( ).,.,,. 4 3. 4 3 t p 0.00046** 0.00016 2.9 0% 2.36E-06* 1.18E-06 2 5% 2.75E-06** 4.94E-07 5.57 0% 2.84E-05 9.64E-05 0.29 77% 3.54E-07 2.52E-07 1.4 16% 0.152805** 0.053869 2.84 1% 3.27E-05* 1.65E-05 1.98 5% 1.00945** 0.050376 20.04 0% 3.93E-05** 1.58E-05 2.49 1% 1.08415** 0.05383 20.14 0% 1.157137** 0.053671 21.56 0% 0.41721** 0.025717 16.22 0% 0.018805** 0.004681 4.02 0% : 1) **1% 2) *10%

106, 90%.,., mvoip. mvoip, mvoip.,.,. 100MB 500MB, 500MB. mvoip,. mvoip WiFi WiFi 3G,. 3G mvoip, WiFi mvoip.. mvoip mvoip (4-7) (Maximum Likelihood Estimation). 4 4,,.

4 mvoip 107 4 4 mvoip mvoip mvoip A mvoip B mvoip C 1. 2. 70% 90% 50% 3. 1 0 2 4. 100% 50% 50% 5. 5,000 20,000 5,000 :, mvoip, (4-7) (4-7) mvoip (100%), ( ), (100%), ( ),., 1, 0. mvoip, mvoip 1, 0. ( ). mvoip 4 5. 4 5, mvoip 90%., mvoip

108 4 5 mvoip t p 1.7899** 0.0667 26.86 0% 0.2633** 0.0893 2.95 0% 3.5735** 0.2864 12.48 0% 1.1725** 0.3866 3.03 0% 0.3267** 0.0354 9.22 0% 0.0091 0.0481 0.19 85% 0.2969** 0.0927 3.2 0% 0.1029 0.1305 0.79 43% 1.0555** 0.0580 18.19 0% 0.0859* 0.0493 1.74 8% 0.0532** 0.0097 5.51 0% : 1) **1% 2) *10%, mvoip., mvoip mvoip mvoip mvoip., mvoip,. mvoip 4 6., mvoip., mvoip 17,371, mvoip

4 mvoip 109 22,713, 19,911. mvoip,,,,. 4 6 mvoip mvoip mvoip 19,911 17,371 22,713 25% 359 / 1% 273 / 1% 453 / 1% 23% 3,975 / 1 3,821 / 1 4,145 / 1 15% 42 / 1% 45 / 1% 38 / 1% 4% 33% mvoip mvoip mvoip., mvoip mvoip mvoip. (4-8), 83) mvoip,. 4 7.,, 100%, 0, 50% mvoip 50.3%. 83) mvoip, mvoip.

110 (4-8) 4 7 mvoip t p 22.0671** 2.5866 8.53 0 9.8802** 0.9506 10.39 0 14.8739** 2.4967 5.96 0 2.1969** 0.4294 5.12 0 6.9512** 1.5618 4.45 0 : ** 1%. 4 8. 4 8 3.4 4.4 5.4 6.4 7.9 9.4 150 200 300 400 600 1,000 150 200 200 400 600 1,000 100MB 500MB WiFi mvoip 3G mvoip (4-3) 4 3 4 9., 4 6

4 mvoip 111, 64,000,., mvoip,. 4 9 3.4 4.4 5.4 6.4 7.9 9.4 16.93% 14.62% 26.90% 19.81% 12.66% 9.07% 4 10., 1 44,000 3G mvoip. 3G mvoip 54,000 1.5% 44,000., 2 mvoip., (4-8) mvoip, 100%, 0, 50% mvoip 50.3% mvoip. mvoip 79,000 54,000. 54,000

112, 64,000., mvoip mvoip,. 94,000, mvoip 44,000., 3 1 2, 3G mvoip, mvoip. 44,000 3%p. MNO, 1 0.74%, 2 1.61%, 3 2.36%. 4 10 3.4 4.4 5.4 6.4 7.9 9.4 1 + 0.8% + 0.7% 0.6% 0.5% 0.3% 0.2% 0.74% 2 + 0.8% + 0.6% + 0.6% 0.0% 0.6% 1.5% 1.61% 3 + 1.7% + 1.3% 0.1% 0.4% 0.8% 1.7% 2.36% mvoip mvoip MNO. mvoip.,,

4 mvoip 113 mvoip. WiFi 3G, 2 mvoip mvoip.

114 5 mvoip MNO ( ),. mvoip,. mvoip. 1. (mvoip ) mvoip. 2. ( ) mvoip mvoip MNO MNO, mvoip MNO. 3. (MNO mvoip ), MNO mvoip,,. 4. (mvoip ) MNO mvoip ( )

5 115,. 5. (mvoip ) mvoip. mvoip MNO,.,. MNO mvoip,,., mvoip MNO., MNO mvoip, mvoip MNO 0.74%. mvoip mvoip 54,000,, mvoip., mvoip mvoip mvoip, MNO. mvoip

116 MNO 1.61% mvoip MNO. mvoip MNO MNO. mvoip mvoip, MNO MNO mvoip., MNO mvoip?., All-IP 4G LTE, mvoip. MNO mvoip 3P mvoip mvoip,,? mvoip. MNO mvoip. mvoip,.

5 117,, mvoip 3G 4G.

118 (2008), (two-sided market),, 08-11, 2008. 12. (2010),,, 10-10, 2010. 11. (2010),,, 10-30, 2010. 12. (2011a),,, 11 08, 2011. 12. (2011b), mvoip,, 11 18, 2011. 12. (2011), 3, 2011. 9. (2011),. (2011), FCC,, 11-003. (2010), 2009,, 10-29, 2010. 12. CONEX(2011), Skype,, Trend Report,, 2011. 3. 18. KISA(2010a), VoIP KISA-WP- 2010-0047,, 2010. 10. KISA(2010b), TV VoIP Skype

119, 13, 2010. 7. 30. KISDI (2011),,,, 2011. 9. SKT(2011),, 2011. 6. 29. AT&T(2011), 2010 Annual Report, 2011. 2. 28 Austria(2008), Decision of TKK, 2008. 6. 23. EC(2010), QUESTIONNAIRE-FOR THE PUBLIC CONSULTATION ON THE OPEN INTERNET AND NET NEUTRALITY IN EUROPE, 2010. 6. 30. EC(2011), The open internet and net neutrality in Europe, 2011. 4. 19. FCC(2010a), In the Matter of Preserving the Open Internet Broadband Industry Practices, GN Docket NO. 09-191, 2010. 12. 23. FCC(2010b), Mobile Wireless Competition Report Fourteenth, 2010. 5. 20. FierceVoIP (2009. 4. 4), Skype iphone restrictions stir up lobbying to Europe, FCC. FierceWireless (2010. 2. 21), Skype deal ensures Verizon won t become a dumb pipe. Google(2011), Google 3Q 2011 Quarterly Earnings Summary, 2011. 10. 13. Juniper Research(2010), Mobile Voice Strategies: mvoip Opportunities & Business Models, 2010-2015, 2010. 6. Merrill Lynch(2010), Global Wireless Matrix 4Q2010, 2010. 12. 23. Ofcom(2010), Traffic Management and Net Neutrality -A Discussion Document, 2010. 6. 24. Ofcom(2011), Ofcom s approach to net neutrality, 2011. 11. 24. Ovum(2009), 3 UK lowers barriers to Skype, 2009. 4. 24. Ovum(2010a), Despite LTE, HSPA + keeps evolving, 2010. 11. 9. Ovum(2010b), Mobile operator responses to VoIP: the six steps, 2010. 4. 28.

120 Ovum(2011a), Global Mobile Market Outlook: 2010-15, H2 2010 update, 2011. 3. Ovum(2011b), Mobile Technology Split Forecast: 2010-15, 2011. 2. Ovum(2011c), Mobile Voice and Data Forecast: 2011-16, 2011. 7. PTS(2009), Which services and networks are subject to the Electronic Communications Act?, PTS-ER-2009:12, 2009. 3. 11. Skype(2011), Form S-1/A, 2011. 3. 4. Train, K.(2003), Discrete choice models with simulation. Cambridge University. Verizon Wireless(2010), Verizon Communications Investor Quarterly 4Q 2010. (2011. 5. 30),, 2000. (2011. 5. 20), 2011 1 OS?. (2011. 8. 28),,. AllVoIPNews (2011. 3. 26), Google Voice coming to all Sprint phones. Bloter.net (2011. 3. 2), 200. Connected Planet (2010. 4. 14), Why Verizon s Skype client forces Android WiFi shutdown. The Register (2010. 6. 28), Skype boosts results for exclusive operators 3UK says 80% of its Skypephone customers are new, and have low churn. Google, http://investor.google.com KT, www.olleh.com SKT, www.tworld.co.kr Skype, www.skype.com Verizon Wireless, www.verizonwireless.com

2009 09 01 (, ) 09 02 (,, ) 09 03 (,, ) 09 04 IPTV (,, ) 09 05 (,, ) 09 06 (,, ) 09 07 (,,, ) 09 08 (,, ) 09 09 (, ) 09 10 (,, ) 09 11 ( ) (,, ) 09 12 (, ) 09 13 (,, ) 09 14 (,, ) 09 13 01 IT ( ) (,, ) 09 14 01 ( ) (,, )

2010 10 01 ( ) 10 02 IP (,, ) 10 03 (,,, ) 10 04 (,, ) 10 05 (, ) 10 06 (,, ) 10 07 : (,, ) 10 08 ( ) (,, ) 10 09 (MPS) (,, ) 10 10 ICT (,, ) 10 11 (, ) 10 12 ( ) 10 13 ( )): 6.2 ( ) 10 14 ICT (,, ) 10 15 u-city (,,,, ) 10 16 (,, ) 10 12 01 IT ( ) (,,, ) 10 13 01 ( ) (, )

2011 11 01 (, ) 11 02 ICT (,, ) 11 03 (,, ) 11 04 ( ) 11 05 (,, ) 11 06 TV ( ) 11 07 (,,, ) 11 08 : (, ) 11 09 ( ) 11 10 (,, ) 11 11 (,, ) 11 12 (,, ) 11 13 (, ) 11 14 (,, ) 11 15 ( ) 11 16 (, ) 11 17 ( ) 11 18 (, ) 11 19 ICT (II)( ) 11 20 ITU ICT (IDI) (,, )

11 21 (,, ) 10 12 01 IT ( ) (,, ) 10 13 01 ( ) (,,, ) 2009 09 01 ( ) 09 02 (,, ) 09 03 ( ) 09 04 (, ) 09 05 ITU ( ) 09 06 ( ) 09 07 (,, ) 09 08 (,,, ) 09 09 EMS ( ) 09 10 (,,, ) 09 11 ( ) 09 12 ( ) 09 13 2009 (,,, ) 09 14 (,, ) 09 15 ( ) 09 16 (,, ) 09 17 (, ) ( )

09 18 ( ) 09 19 010 (,, ) 09 20 (,, ) 09 21 / : ( ) 09 22 (,, ) 09 23 (,,, ) 09 24 (,, ) 09 25 FTTH (,, ) 09 26 (, ) 09 27 (,, ) 09 28 (,,, ) 09 29 (,,, ) 09 30 (,,,, ) 09 31 (,, ) 09 32 (, ) 09 33 (,, ) 09 34 ( )

09 35 (,,, ) 09 36 (,, ) 09 37 IPTV (,,, ) 09 38 (,,, ) 09 39 (,,, ) 09 40 (,, ) 09 41 (,, ) 09 42 (,, ) 09 43 ( ) (,, ) 09 44 (,, ) 09 45 (, ) 09 46 (,, ) 09 47 (, ) 09 48 (,, ) 09 49 ( ) 09 50 ( ) 09 51 (2) (,, ) 09 52 2010 ( ) 09 53 (,,, ) 09 54 (,, ) 09 55 (KISDI )

09 56 ( ) (, ) 09 57 2009 (,,, ) 09 58 60 ( ) (, ) 09 59 ( ) 09 60 (,, ) 09 61 ( ) 09 62 ( ) 09 63 : ARS (,, ) 09 64 2009 (,,, ) 09 65 : ( ) 09 66 (,,, ) 09 67 (,,, ) 09 68 (,,, ) 09 69 ( ) 09 70 ( ) 09 71 (, ) 09 72 IT IT ( ) 09 73 (, ) 09 74 IT (,, ) 09 75 ( ) 09 76 (2) ( ) 09 77 ( ) 09 78 (,,, ) 09 79 ( ) 09 82 (,,, )

09 83 (,,, ) 09 84 ( ) 09 85 ( ) 09 86 (WTO) (FTA) (,,, ) 09 87 09 ( ) 09 88 (,,, ) 09 89 (,,, ) 2010 10 01 IPTV ( ) 10 02 (,, ) 10 03 2010 (, ) 10 04 (,,, ) 10 05 IT (,,, ) 10 06 (,, ) 10 07 (,, ) 10 08 ( ) 10 09 (,, ) 10 10 ( ) 10 11

(,, ) 10 12 (,, ) 10 13 ( ) 10 14 (,,, ) 10 15 ( ) 10 16 (,, ) 10 17 (,, ) 10 18 ( ) 10 19 (, ) 10 20 R D (,,, ) 10 21 ( ) 10 22 (,, ) 10 23 ( ) 10 24 (,,, ) 10 25 (,, ) 10 26 (,,, ) 10 27 (,, ) 10 28 : Solution (,, ) 10 29 2009 ( ) 10 30 (,,

) 10 31 IP ( ) 10 32 ( ) 10 33 IT (,,, ) 10 34 2011 ( ) 10 35 (III) (, ) 10 36 ( ) 10 37 (,,, ) 10 38 IPTV (, ) 10 39 (, ) 10 40 : ( ) 10 41 2010 KI (, ) 10 42 2010 (,, ) 10 43 2010 (,,, ) 10 44 (,,, ) 10 45 (,, ) 10 46 (,,, ) 10 47 (,,, ) 10 48 IT (,, ) 10 49 (,, ) 10 50 2010 ( ) 10 51 2009 ( )

10 52 10 53 10 54 10 55 10 56 10 57 10 58 (, ) (, ) (, ) : ( ) (, ) (, ) (,, ) 2011 11 01 (,,, ) 11 02 (,, ) 11 03 ( ) 11 04 (,,, ) 11 05 ( ) 11 06 2011 (,, ) 11 07 2010 ( ) 11 08 2011 (,, ) 11 09 (,,, ) 11 10 (,, ) 11 11 (,, ) 11 12 (,, ) 11 13 ( ) 11 14 ( )

11 15 (,,, ) 11 16 (,,, ) 11 17 MNO, MVNO ( ) 11 18 (,,, ) 11 19 (,, ) 11 20 (,, ) 11 21 mvoip (,,, ) 11 22 ( ) 11 23 ICT ( ) 11 24 (,,, ) 11 25 (, ) 11 26 2012 ( ) 11 27 R&D ( ) 11 28 R&D ( ) 11 29 WiBro (,, ) 11 30 ( ) 11 31 (, ) 11 32 ICT (, ) 11 33 (,, ) 11 34 ( )

11 35 (,,, ) 11 36, (,,, ) 11 37 ( ) 11 38 ( ) 11 39 ( ) 11 40 (,, ) 11 41 ( ) 11 42 ( ) 11 43 ( ) 11 44 2010 ( ) 11 45 (,, ) 11 46,, (, ) 11 47 (,, ) 11 48 (, ) 11 49 SO-PP (, ) 11 50 (, ) 11 51 ( ) 11 52 PP ( ) 11 53 ( ) 11 54 / (, ) 11 55 :

( ) 11 56 2011 KI (, ) 11 57 (,,, ) 11 58 (,, ) 11 59 (,, ) 11 60 ITU PP-14 : PP-14 ( ) 11 61 (,,, ) 11 62 (,,, ) 11 63 ( ) 11 64 2011 ( ) 11 65 (Youth) ( ) 11 66 (,, )

Pennsylvania State University IT IT 2011 12 2011 12 3 36( ) TEL: 570-4114 FAX: 579-4695 6 ISBN 978-89-8242-845-6 93320