A few things to remember:

Transcription

1 PolycomPVXSoftware: Firstandforemost,thisisasoftware basedsystemthatisattemptingtodothesame jobthatsomeveryexpensivededicatedhardwaredoes.soifyouchoosetorun othersoftwarethattakeupalotofcpuatthesametime,donotexpectthequality andreliabilitytobethesameasa$4000desktopunit. SonowthatI vesaidthat,thegoodnewsisthatmodernlaptopshavequiteabitof horsepowercomparedtowhatwasavailablejustafewyearsago;andthissoftware doesafairlygoodjobofprovidingvideoconferencingtolaptopusers. Afewthingstoremember: 1. Experimentabit,someprogramswillrunjustfinewiththePVXsoftware, andsomewon t.tryitoutbeforeyou redefendingyourdissertation remotely. 2. ThissystemusestheH.323videoconferencingstandards,andunfortunately thattranslatestothesystemnotbeingreallyhappybehindhomefirewalls. Soifyouwantthistoworkfromhome,you llneedtomakeafewchangesto yourhomefirewallifyouwantthistowork.forthissituation,seethe addendumonsettingupyourhomefirewall. 3. Thissystemisn tgoingtoworkinallhotelsandhotspots.you lljusthaveto tryitoutfirst.we vetestedatsomemarriotts,afewhyatts,andt Mobile (akastarbucks)hotspotsanditworksfine.mileagemayvary.ifit s Joe s InternetCaféandgarage withanel cheapolinksyswifirouter,it sprobably notgoingtowork. 4. Thisisvideoconferencing,sobewareofwhereandwhenyouansweracall. I vehadfolksanswerautomaticallywhenthey reinthejammiestothe embarrassmentofbothofus. 5. NOTallvideoconferencingsystemsarecreatedequally,connectingto differentsiteswillyielddifferentqualityaudioandvideoevenifyou reatthe samehotspot.bepatientandifyourunintoproblems,documentthe problemaswellaspossiblesothatotherscanlearnfromyourproblemsand potentiallynothavetogothroughthesamepain. Sothisissoftware,andassuchisoutofdatebythetimetheshrink wrapped packagehasgottentoyou.soinsteadofgoingthroughthehasslesoftryingtopass outcdcopiestoeveryone,let sjustdownloadafreshcopyfrompolycomand bypassthepain.

2 DownloadingthePolycomPVXSoftware: NOTE:thisisaWindowsONLYapplication.Whilewe vegottenitworkingfrom withinvmwarefusiononthemac,that sanunsupportedconfigurationandwhile we llbehappytohelp,it snotguaranteedtowork. ThePolycomwebsiteisabitconvolutedwithnodirectwaytogettothesoftware. Soonceyou vegottentowww.polycom.comandtoldthemwhereintheworldyou are.choose Support fromthefirstmenuandthe Video fromthesecondlayerof dropdownmenu.

3 Thisiswhereyoulookdownthescreenfor PVXSoftwareApplication andunder thatamenuchoice PVX.Clickonthat. Thisiswhereyougettomakeadecisionbeforeyoudownloadtheprogram.IFyou arerunninganewcomputerthathaswindowsvistaonit,oryou rerunning WindowsXPonanewDualCOREmachine,youcanusetheabsolutelatestand greatestversion,whichis PVX8.0.4forVistaandDualCoreUsers. Otherwiseforusmeremortals,choose PVX8.0.2MaintenanceRelease whichhasa fewlessfeaturesbutwillrunsignificantlybetteronoldermachines. Unlessyou rereallylowondiskspace,iwouldreallyrecommendyou save thefile someplaceyoucanfindagain.isuggestthedesktop. Don tworryaboutthename;youjusthavetobeabletofinditonceit ssaved.

4 Now,dependinguponhowfastyourconnectionis,thiscouldtakeawhile.Notice thatit s25.5meginsize.probablynotsomethingyouwanttodownloadovera dialupconnection. SeeItoldyouthatwereallydon tcareaboutthename click Open hereandmake yourlifeeasier.

5 Thisisa.zipfilesoitwillopenupafolder.Youcouldeitherextractthefile someplace,orjustdoubleclickonitfromhere.(ifyouhaveaslowmachine,this mightnotworkandyou dhavetofirstextractthefileandthendoubleclickonit) Yes,youdowanttorunthisfile

6 I massumingyouwantenglishandi llcontinuetheseexamplesinenglish. However,thesystemdoessupportquiteafewdifferentlanguagesandyoucan choosethemfromthismenu. ThisusesthestandardWindowsInstaller,andconverselyyoucanyankthis programoutusingthestandard uninstall optionfromthewindowscontrolpanel. Itismysinceresthopethatyougetthisfar.Causethisistherealstartoftheinstall.

7 Thisisn tfreesoftware,sopolycomwantsyoutosayyeshere.remember,onlyc MOREpeopleshouldbeusingthissoftware.DONOTSHARETHEACTIVATION CODES.Amazinglyenough,youcansharetheprogramitself,becauseifnotactivated thesoftwarewillonlyletyoudoa5minutevideoconferencebeforeautomatically hangingup.thiswaypolycomcanhandoutcopiesandmakethemfreely downloadableasdemos. Soonceyouclick yes we llbeonourway.

8 Ifsayforinstanceyouhaveamuchbiggerharddrivecalled D or E orwhatevers, hereiswhereyoucanclickon Browse andtelltheinstallerprogramtostorethe PVXsoftwaresomeplaceelse. Sofarsogood,nowyoujusthavetowatchthethermometermarchacrossthe screenasitinstallstoyourmachine.maybeit stimeforacuppacoffeeortea? Congrats it sinstalled,butyoustillhavetoconfigurethepvxsoftwareandifyou haveahomefirewallyoumightstillhavetoconfigurethatanddoabitoffiddling withyourcomputer. *NOTE:ifyouhaveahomefirewallandthevideodoesn tworkwhenyoutryit,first checkthewebcamwiththesoftwareitcamewithandthevideoworksonthat,then trythesetupintheaddendumonhomefirewallportforwarding.

9 ConfiguringthePolycomPVXsoftwareforthefirsttime: Theinstallershouldhavedroppeda PolycomPVX iconontoyourdesktop.youcan alsogettoitfromthe Start menu,buttheiconisjusteasiertofind.doubleclickon theiconanditwillstartupforthefirsttime. Youcanagainchooseadifferentlanguageifyouwant.

10 Pleaseputinarealnameandreal addresshere thiswillmake troubleshootingmucheasierinthelongrun.fornow,don tworryaboutthe H.323 Extension sinceitwon tmatterifyou reusingthec MOREMultipointControlUnit (MCU). Inthiscasewedon thaveeitheroftheseservicesyet.leaveitallblankfornowand justclickon next.

11 Therealreasonforthisscreenistotestwhetherthevideoiscorrectlysupportedon yourcomputer.thepolycomlogoshouldslowlybuildasyouhearmusicinthe background.rememberthatyou llneedbothaudioandvideoworkingifyouwant tovideoconference. Thispartismakingsurethatyouraudioworks sometimesifyouhavean inexpensiveheadset,thevolumemightbeprettylow.justgrabthesliderand increasethedefaultvolumelevels.

12 I vegotaplantronicsdspseriesheadsetonthismachine.youmaynotneeda headset,butifyoustartgettingfeedback(squealing)orbadechos,youmightwant toconsiderone.theplantronicsisoneofthepolycomrecommendedunitssincethe DSPcircuitrytakesahugeworkloadoffthecomputer.However,otherheadsetswill alsowork. Choosetheaudioandvideodevicesaccordingtowhatyoureallyhave.Leavingitin autotypicallywillusethespeakersandmicrophoneinthelaptop.remember, mileagemayvary,giveitatryandifyoudon tliketheaudioquality,youmightwant toconsideraheadset. Thisscreenwillonlypopupifyou rebehindafirewallthatusesnetworkaddress Translation.Ifyou relaptopissetupwithrealinternetaddresseslikethatona universitycampus,thenthiswillneverappear. Fornow,don tworryaboutthis click Yes andcontinueon.we llsolvethisissuea bitlater.

13 ThisisanimportantscreenONLYifyou retryingtosetupthepvxsoftwaretorun behindahomefirewall.ifthisissomethingyouwanttodo,writedownthevalues onthisscreen.you llneedthemwhenyoufollowthedirectionsintheaddendum.

14 Here sanothergotchawithwindows.thewindowsfirewallwantstoknowifthisis alegitimateoccurrenceandwillnextaskwhetheryouwantto unblock thefirewall forthisparticularapplication.choose Unblock here. IfthePolycomPVXsoftwareisdetectingyourcameracorrectly,thenyoushouldsee yourselfinthevideowindow.i musingalogitechquickcamwhichhastilt panzoomcapability.italsohasfacetrackingwhichmeansitwillfollowmeifi mmoving around.

15 Here swherei mtryingtoconnecttothec MOREMCUbutthehomefirewallisn t configuredyet.ifit sworking,you llseeapolycomsplashscreenandhearavoicein thebackground.togetthedialingkeypadjustclickonthe Controls buttonatthe bottom.

16 Youcanclickondirectoryandaddinfrequentlydialednumbersandstorethemby names. Thisistheaddressyou llbeusingmostoften.thisisforthec MOREMCUandit allowsmorethan2peopleatatimetoseeandtalktoeachother.sothat sthemost likelyaddresstoaddfirst.

17 Youcanaddallyouwant they reonlystoredonthismachine.sorry,wedon thave ashareddirectoryinthisconfiguration. FromhereyoucandialtheMCU,ordialdirectlytoanothervideoconferencingunit ifyouknowit saddress.sincefolksmightmovearound,itmightbebesttomeetin oneofthemcu MeetingRooms assignedtoeachc MOREinstitution. Lastly,youdoNOTownthissoftware.ItisthepropertyoftheC MOREprojectandif youshouldleavetheprojectyoumustuninstallitandnotifythec MORE administrationsothatyourlicensecanbereused. Here sahandyreferencelistofboththehighspeedandlowspeedmeetingrooms foreachc MOREinstitution.GettheaccesscodesfromtherespectiveinstitutionC MOREmanager. Meeting Room Name Extension H.264isamuchhigherqualityprotocolandI vegottheseroomssetuptouse 384kilobits/second.However,H.261isasimplerprotocolandissetupfor 128kilobits/second,whichmightactuallyworkoversomeWWANcardslikethe EvD0CardsfromSprintoraG3DataConnectionfromT MobileorAT&T.Likemany thingsinvideoconferencing,mileagemayvaryandwwanconnectionsmightbe iffy.giveitatry videoconferencingovertheinternetdoesn tcostusathing,sotry it.

18 Addendum: HowtodoVideoConferencingbehindahomeFirewall *NOTE:ifyou reonauniversitycampus,t MobileHotSpot,etcandarebeinggiven realipaddresses youcanskiptherestofthismanual.itsonlyhereifyouchooseto dovideoconferencingfrombehindahomefirewall. Ok,thisjustmeansthatthePolycomPVXsoftwareisready;youstillneedtomake surethatyou reforwardingthecorrectportstothecorrectaddress.sotodothatwe configurethehomefirewallnextandthenconfigureyourmachinetousea StaticIP address. Configuringyourhomefirewall: Soafirewallisusedtodoacouplethings,andyourtypicalhomefirewallismost likelyprovidingyouwithacoupleimportantfunctions. 1. Protectingyoufromtheworms,virae,andattackersontheoutside 2. TakingthesingleInternetAddressyourbroadbandproviderisallowingyou touseandmagicallyturningitintoacouplehundredaddressesthrougha processcallednetworkaddresstranslation. 3. AutomaticallyhandingoutInternetAddressestoyourmachinessothatyou don tnormallyhavetomanuallyconfigureyourmachines. Sigh theproblemisthat#1and#2arebothgoingtomakevideoconferencing difficult.tostartoffexplaining#1,thinkofyourfirewallasahotelwithlotsof placestoputdoors,butuntilthehotelmanagerordersthem,thedoorsaremissing. Thecoolpartisthatwithoutadoor,burglarstypicallycan topenthedoorandgetin torobyou.however,videoconferencingrequiresthattherebeabunchofdoorsfor video,audioandcontroltoflowthrough.sowehavetonotonlyinstallthosedoors, wehavetoleavethemopentoanyone. Thegoodnewsisthatthesedoorsaren tusedthatoftenandwe regoingtomake thosedoorsleadtoonlyoneplace.soifyou renotusingthevideoconferencing, thosedoorsleadtoadeadend. Doesthismeanthatattackerscan tusethosedoorstoexploit,sorry,buttheycould iftheyknewwhattheyweredoing.thegoodnewsisthatyou veatleastnarrowed downthefieldtoonlythemosttalentedattackers. Sothemechanismthatweusetodirectallthesedoorstoasinglelocationiscalled PortForwarding andunfortunatelyitgoesbyawholelotofdifferentnames.ina verypopularlinksyswirelessrouteritcomesundertheheadingof Applications

19 andgames sincegamersweresomeofthefirsttodemandthisfeature.soagain, mileagemayvary,buthere stheconfigfromthelinksyswrt 54Grouter. Youneedtologintoyourfirewallastheadministratorandfindeither Port forwarding orsomethinglike ApplicationandGaming support.don tworryif youcan treadthenumbers they llcomeupabitlaterwhenyoufirststartupthe PVXsoftwareandstartconfiguringit. I mbringingitupheresinceyouhavetochooseaspecificipaddressto port forward toandthataddresscan tbeusedbyanythingelse.sincemostfirewallstart handingoutipaddresses(usingadhcpserverwhichistypicallyunderthe Setup area)at100itypicallylikechoosinglownumbers.youmustnotusethesame addressastherouterorlotsofthingswillbreak. That sitforthefirewall,butnowyouhavetomakesureyourcomputerisusingthat addressorthevideoconferencingaudio+video+controlwilljustflybyandyour machinewillneverseeit.allyou llgetisablackscreenandnoaudio.

20 ConfiguringWindowsXPforasetIPaddress: Sorry,butunlessyou refirewallhasawaytocreate staticentries forthedhcp (DynamicHostConfigurationProtocol)you llhavetosetyourlaptoptoaspecificip addressinordertoplaywithvideoconferencing.thisexampleisorwindowsxp sincethat swhatmostofc MOREisusing.I lladdinmacandvistaastimeallows. Clickon Start andthenchoose ControlPanel togetrolling.fromhereyouneed tochoose NetworkandInternetConnections next. Nowyouneedtochoose NetworkConnections toconfigureoneofyourexisting networkconnections.

21 I mchoosingthe WirelessNetworkConnection,butlikealways,mileagemayvary dependinguponhowyourmachinewassetup.sinceididn twanttodisconnectmy wiredinternetconnection,ijustrightclickedonmy LocalAreaConnection and choose Disable totellmymachinetotemporarilyignorethewiredconnection. Ithenjustdoubleclickedonmy WirelessNetworkConnection iconwhichtakes metothisnextscreen. Fromhereyouclickon Properties tomakechangestothe WirelessNetwork Connection.

22 Inthemiddlewindow,choose InternetProtocol(TCP/IP) andthenclick Properties sincethat swhatwewanttochange. Morethanlikelythisiswhatyouwillget.Whatwe redoingtochangingyoufrom automatic( ObtainanIPaddressautomatically )to UsethefollowingIPaddress instead.

23 TheaddressIenteredintheformMUSTmatchtheaddressIchosewhenIwas configuringthe PortForwarding inmyhomefirewall.

24 Hereisanotherplacewheremileagemayvary.ifyouchoseadifferentaddress, thenmakesurethatboththefirewallportforwardingaddressmatchestheaddress you retypingintothe UsethefollowingIPaddress sectionofthetcp/ipconfig window. NOTE:thePolycomPVXsoftwarewillattempttomakeabestguessduringthe installation. Onceyou vemadethechangesandappliedthemtoyourlaptopyounowhavea goodchancethatyou llbeabletoseevideowhenyoustartupthepvxsoftware.