Polycom ViaVideo manuale d’uso

ViaVi deo User’s Guide November 2000 Edit ion 3151-10 065-005 A ViaVideoUG.book P age 1 Thursday, December 7, 2000 2:49 PM[...]

ViaVideoUG.book P age 2 Thursday, December 7, 2000 2:49 PM[...]

Important Information © 2000 Polycom, Inc. All rights reserved. No part of this document m ay be reproduced or transmit ted in any form or by any me ans, electronic or mechanical, for any purpose, without the expres s written permission of Polycom, Inc. Polycom, Inc. retai ns title to, and ownership of, all proprie tary rights with respect t o the[...]

Important Safeguards Read and understand the following instructions before using the system : • Close supervision is nec essary when the system is used by or near children. Do not leave unattende d while in use. • Only use electr ical extension cor ds with a curr ent rating at l east equal to that of the sys tem. • Always disconnect the s yst[...]

© Polyco m, Inc. v Via Vid eo User’ s Guid e Contents ViaV ideo Qu ick Start System Requirements an d Install ation... ................... ............. ................... ....... 1 Hardware Require ments ................. ............. ................... ............. ....... 1 Software Requirem ents ............. ................... ........[...]

Contents ViaVideo Use r’ s Guide vi www .po lycom.c om Syst em Infor matio n and Di agnosti cs Using the System Info rmation S creens ..... ................... ............. ................... .... 33 Diagnostic s ...................... ................... ............. .................... ............ ................. 35 Network Stat istics .[...]

Contents © Polyco m, Inc. vii Via Vid eo User’ s Guid e Router With Firewall, Us ing a DMZ . .................... ............ .................... 68 Configure Y our ViaVideo for NAT .......... ............ .................... 69 Assign y our ViaVideo to the DMZ ... ............. ................... ....... 69 Through a Vi rtual Priva te Netwo[...]

Contents ViaVideo Use r’ s Guid e viii www .po lycom .com ViaVideoUG.book P age viii T hursday, December 7, 200 0 2:49 PM[...]

© Polyco m, Inc. 1 Via Vid eo User’ s Guid e 1 ViaVideo Quick Start This cha pter explai ns how to g et started wi th the Pol ycom ® ViaVid eo TM desktop v ideo com munications system. T he chap ter descr ibes: • System R equi rements and Installa tion (page 1) • Star ting ViaVideo (page 3) • Placing a Call (pa ge 6) • E nding a Call (p[...]

Chapter 1 ViaVideo Quic k Star t ViaVideo User ’ s Guide 2 www .pol yco m.co m • If you are using a h eadset w ith m icrophone, it must hav e a si ngle audio connecti on, like those us ed with c ellular pho nes. Software Requ irements T o use ViaVid eo , you must hav e one of t he following v ersions of Micros oft ® Win dows ® insta lled: •[...]

Chapter 1 ViaVideo Quic k Star t © Polyco m, Inc. 3 Via Vid eo User’ s Guid e Starting ViaVideo The ViaV ideo appli cation a nd camera un it work togeth er to provide an unpar alleled e xperie nce in c onferenc e room qu ality vide o comm unicatio ns on your deskt op. The ViaVideo camera unit combine s a ca mera and high- perfor man ce multi- me[...]

Chapter 1 ViaVideo Quic k Star t ViaVideo User ’ s Guide 4 www .pol yco m.co m infor ma tion, see “ Muting Video ,” on page 29. Off: T ur n s the cam era unit of f . Beca use a sub stantial por tion of the ViaVideo software is uploaded to the came ra unit w hen you star t the a ppl icat ion, the camera uni t should be tur n ed on before you s[...]

Chapter 1 ViaVideo Quic k Star t © Polyco m, Inc. 5 Via Vid eo User’ s Guid e Headset with microphone: Sele ct this s etting onl y if you ar e using a headset wi th an a ttach ed micropho ne plugged i nto the audi o out por t i n the bac k of the ViaVide o cam era unit. This setting tur ns of f the inte r nal ViaVideo microp hone. Note: If y ou [...]

Chapter 1 ViaVideo Quic k Star t ViaVideo User ’ s Guide 6 www .pol yco m.co m 3. As a fin al ste p , us e the focus knob on to p of the ViaVideo camera u nit to get a clear ima ge in the main scre en ’s near v ideo window (displayed whenev er you are not in a call). T ur n the knob to the ri ght to focu s on obje cts fu r t her away from the l[...]

Chapter 1 ViaVideo Quic k Star t © Polyco m, Inc. 7 Via Vid eo User’ s Guid e Note Before you st ar t the ViaVid eo a pplica tion, be sure your camera uni t is tur n ed on. 1. Double -clic k the Via Video icon to launc h the ViaVideo applic ation. The ViaVid eo appl icat ion ’s main sc reen is di splay ed, wi th near video s howing in the Pla [...]

Chapter 1 ViaVideo Quic k Star t ViaVideo User ’ s Guide 8 www .pol yco m.co m T o conser v e net work ban dwidth, sel ect a lo wer speed. F or m ore infor ma ti on abou t choos ing lin e speeds, see “Diali ng Speeds,” on page 55. 4. Use your k eybo ard or the number buttons on the num ber pad to enter the IP num ber , and cl ick Cal l . 5. W[...]

Chapter 1 ViaVideo Quic k Star t © Polyco m, Inc. 9 Via Vid eo User’ s Guid e Network Error The far s ite does n ot answer . There is either a network er ror , or more likely , the far site is not activa ted. Far Site Busy The far s ite is cur ren tly in a c all. Using the A ddress Book or Speed Dialing This sec tion explains how to m ake a call[...]

Chapter 1 ViaVideo Quic k Star t ViaVideo Use r’ s Guide 10 www .polycom .com are con nected co rrectly. For mo re infor mation, s ee “Troubl eshooting ,” on page 77. 2. Cl ick Address Book or Speed Dial . This pres ents th e Address Book screen. The spe ed dial sc reen is actually pa r t of the a ddress book. T o access speed d ial entries, [...]

Chapter 1 ViaVideo Quic k Star t © Polyco m, Inc. 11 Via Vide o User’ s Guid e a. T o display th e Spee d Di al scre en, click the tab fo r speed dial entr ies on th e right of t he addres s book, o r clic k Spe ed Dial from t he ViaVideo m ain s creen. b . Dou ble-c lick on the speed dial entr y you want to call. F or m ore infor ma tion ab out[...]

Chapter 1 ViaVideo Quic k Star t ViaVideo Use r’ s Guide 12 www .polycom .com F or m ore infor ma tion, see “Us ing the Remote Co ntrol,” on page 16 . Ending a Call To end a call , click Hang Up on the v irtual re mote contr ol. ViaVid eo discon nects im mediately . Answering Calls ViaVid eo is confi gured to ask if you want to re ceive an i [...]

Chapter 1 ViaVideo Quic k Star t © Polyco m, Inc. 13 Via Vide o User’ s Guid e Note T o answer a cal l, the Via Video a pplica tio n must be r unning. If the ViaVideo a pplica tion wi ndow is minimized, you ar e still able to receive incoming ca lls a s descri bed above . Closing ViaVideo T o clo se the ViaVideo a pplica tion, clic k t he X in t[...]

Chapter 1 ViaVideo Quic k Star t ViaVideo Use r’ s Guide 14 www .polycom .com ViaVideoUG.book Page 14 Thursday, December 7, 2000 2:49 PM[...]

© Polyco m, Inc. 15 Via Vide o User’ s Guid e 2 Using ViaVideo Thi s chap ter ex pla ins h ow to use th e foll owi ng Vi aVide o fe atur es: • Calling F ea tures (page 1 5) • Address B ook and Speed D ial (page 2 1) • Controllin g Audio and Video (page 27) • Colla bora tion an d Appl icat ion Sh aring (pa ge 31) • Multiple IP Ad dresse[...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 16 www .polycom .com Using the R emote Control When you place a call , a virtual remot e control i s display ed to the right of the V iaVideo scree n. The remo te control lets you perform a variety of ca lling fu nction s. Hang Up T er mi nates the cu r rent ca ll. When you press th is button, the[...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 17 Via Vide o User’ s Guid e Snap shot Sends a high-r esolutio n stil l ima ge , or snap shot , to the f ar site durin g a call . This feat ure is des igned for far sites tha t use the Annex D high-resol ution (7 04 x 576) g raphi cs stand ard. These are typi cally co nferenc e room video c ommunic atio[...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 18 www .polycom .com Wind ow Contr ols You can perform severa l window c ontrols : • Picture-in -Picture (P IP) • Minim ize Window • Infor ma tion Sc reen Acc ess • Re-Size the ViaVideo Di splay Picture in Picture (PIP) You can acti vate Vi aVideo’ s Pict ure in Pict ure (PIP) feat ure w[...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 19 Via Vide o User’ s Guid e statist ics ( Syste m Info >Dia gnost ics>Net work Stat s or S ystem Info>D iagnosti cs>Adv anced S tats ). T o retur n t o full-display mo de , c lick Home in th e bottom right of the infor ma tio n screen. Then c lick Place Cal l . Re-Size the Vi aVideo Di spla[...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 20 www .polycom .com (for example , QC IF , NetMee ting) are n ot able to receiv e high -reso lut ion sn apshot s . Leaving a Ca llback Me ssage Y ou can also leav e a messa ge with other user s if they ha ve their unit on, but are n ot a t their des k. Simpl y send a snapsho t and en d the call. [...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 21 Via Vide o User’ s Guid e Address Book and Speed Dial This sec tion explains how to use the address book and speed di al featu res. This s ection de scribe s: • Using the Addres s Book ( page 21) • Using Sp eed Dia l (page 26) . Using the Address Book The addr ess bo ok save s you time, lett ing [...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 22 www .polycom .com The addres s book infor ma tion pa nel a t the bo ttom of the Add ress Book screen p rovides infor ma tio n about the selec ted ent r y . In th e example above , Jane Do e’s V iaVideo is set to a line spee d of 128 Kbps. Her IP addr ess is dis play ed (208 .10.179 .286), and[...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 23 Via Vide o User’ s Guid e T o place a call fr om the add ress bo ok: 1. Highligh t an entr y in the Address Book scree n. 2. Cl ick Call or doub le-c lick on the entr y . ViaVideo sh ows the calling scree n. Local an d Global Ad dress Book Entr ies There ar e two kind s of ad dress b ook entries you [...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 24 www .polycom .com T o modify a local e ntr y , se lect t he entr y in your Ad dress Book and click Edit . Y ou can then modify the e ntr y in for ma tion. Clic k Save to sav e the c hanges t o the addr ess book . T o delete a loca l entr y , select the entr y in the address bo ok and cl ick Del[...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 25 Via Vide o User’ s Guid e T o registe r with the P olycom Global Addre ss Book or an IL S ser ver: 1. Go to the Directory S ervices screen ( System I nfo>S etup>Direc tory Serv ices ). 2. Enter th e IP addr ess of the ILS ser v er in th e entr y field an d clic k the selec tion but ton to the r[...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 26 www .polycom .com Using Speed Dial T o access the Speed Dial scree n, click Spee d Dial in th e main screen . Y ou can also access the Spee d Dial screen b y c licking 1-6 or 7-12 on the top a ddress boo k ta b . The spe ed dial fe ature st ores the last twelv e num bers you ha ve dialed. Y ou [...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 27 Via Vide o User’ s Guid e Dial Places a call to the se lected entr y . Y o u can also call a s peed d ial entr y by double-c lic king the entr y . Delete Current Deletes t he cur rently sel ected ent r y . Controlling Audio and Video This sec tion des cribes how to cont rol audio a nd video while us [...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 28 www .polycom .com displayed in the fa r site vie w . ViaVideo ma intain s your audi o mute setting b etween call s . Via the Au dio Screen The Audio screen ( System In fo>Setup> Audio ) le ts you set Master , Wave , and Line In audi o levels. To set these levels , click the Volume Control[...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 29 Via Vide o User’ s Guid e The Audio Mi xer d ialo g is di splay ed. Master Vo lume Controls the aud io level for all your P C’s sounds. Wave Volume Cont rols y our PC’s soun d effects v olume . Line In Controls the volume for all aud io comin g from your ViaVideo camera u nit (far s ite a udio , [...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 30 www .polycom .com When you want the fa r site to see you agai n, slide the shutte r back to the on pos ition. ViaVideoUG.book Page 30 Thursday, December 7, 2000 2:49 PM[...]

Chapter 2 Usin g ViaVideo © Polyco m, Inc. 31 Via Vide o User’ s Guid e Collaboration and Application Sharing To activa te appl ication sharing software while in a call, cli ck Share on your on-screen r emote. This activates Whiteboard , Chat , Application Sharing , an d File Transfer capabil ities. Collab oratio n and appl icat ion sharing ca p[...]

Chapter 2 Usin g ViaVideo ViaVideo Use r’ s Guide 32 www .polycom .com ViaVideo dete cts mor e than one IP addres s when: • There is more than one LAN c ard in your P C . • Y ou are u sing a do ckin g sta tion and a PCMCIA network car d. • Y ou are c onnected to your networ k usin g a Vir tual Pr ivate Netw or k (VPN ). If you want to cha n[...]

© Polyco m, Inc. 33 Via Vide o User’ s Guid e 3 System Information and Diagnostics This cha pter pro vides a description o f ViaVid eo’s sy stem informat ion an d diagnostic screens , and expl ains how to view settings , run dia gnostic tests, an d make c hanges to y our sy stem. This c hap ter contains the followi ng sections : • Using the [...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 34 www .polycom .com Each of the sys tem infor ma ti on screens has a Menu icon in the lower right cor ner tha t retur ns you to the previous screen . T o retur n to the S ystem Informat ion screen from anywhere in the menu hierarchy , click the Info icon at the top of e ac[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 35 Via Vide o User’ s Guid e Diag nostic s You can v iew networ k statis tics and perform va rious diagn ostic tes ts from the Diagnostics screen. S elect the icon for the stat istics you want to view or tests you want to perfor m. See the followi ng sect ions for descri ptions o[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 36 www .polycom .com Generate Tone Lets you generate a tone to test audio function s (see page 41). Network Statistics The Net work S tat isti cs screen present s the net work protoc ols and data spee ds for a video ca ll. Tx Clock Rate T ransf er clo ck rate; the clock r a[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 37 Via Vide o User’ s Guid e Advanc ed Stati sti cs The Advanced Statist ics scr een shows de tailed info rmation abo ut the st atus of yo ur call . Transmi t and recei ve speed s are di splaye d for both a udio and v ideo dur ing a ca ll. Audio Rate The rate of audio p ac k e t [...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 38 www .polycom .com Call St atus The C all Status screen pr esents informat ion about t he calls y ou have place d. The info rmation in t he Call Status sc reen is not clear ed when you reset your syst em. If you do a complet e un-install and re-instal l of the ViaVideo so[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 39 Via Vide o User’ s Guid e Reset System The Reset Sy stem screen is used to clear user setti ngs and l ocal address book en tries. When re settin g the system , you can c hoose to clear your pe rsona l infor ma tio n (user setting s) and your lo cal a ddress book e ntries. By d[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 40 www .polycom .com Resetting the syste m with D elete address book entries selecte d deletes a ll loca lly sto red ad dresse s, without af fectin g glob al address es. Y o u will hav e to re- specify your ILS ser ver when you restar t to regain a ccess to g lobal add ress[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 41 Via Vide o User’ s Guid e 3. Slide th e camera switc h back to the On positi on. Genera te T o ne The Generate Tone screen lets you gener ate a tone so you c an test the near and far s ite audio functions. G enerati ng a tone he lps determin e wheth er a probl em exists with t[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 42 www .polycom .com Setup You can view and c hange variou s config uration s ettings f rom the Setu p scree n. Selec t the icon for the c onfigu ration settings you want to view or c hange. See the followi ng sect ions for descri ptions of the screens acc essible through t[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 43 Via Vide o User’ s Guid e H.323 Lets you see an d chan ge H.323, gate k eeper , dialing speed, an d QOS s ettings (see pa ge 51). Genera l The General Setup scre en prese nts basi c infor mation abo ut you r ViaVid eo setup. Y ou can s et the following opt ions: Auto Answer Wh[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 44 www .polycom .com Show Animations When Show Animations is sele cted, the scree n transition a nima tion s within ViaVideo’s infor m at ion scree ns are activ e . If Show Animations is not se lected , the scree n transition a nima tio ns do not app ear , and the screens[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 45 Via Vide o User’ s Guid e Directory Ser vices The Directo ry Servic es screen l ets you spe cify up to five ILS serv ers. As par t of the sta ndard ins talla tion co nfigura tion, ViaVideo’s Glob al Addres s Book ( GAB) s er ver is selec ted for you. ViaVide o provides the G[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 46 www .polycom .com Display Glo bal Addres ses Shows the address es of us ers reg istered with the ILS ser vers th at you have selected in your addres s book. If you do not se lect this option, o nly local address es (address es you hav e entered manually ) are dis play ed[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 47 Via Vide o User’ s Guid e Host Name This is the co mputer na me entere d in your Windows network configura tion s ettings. WINS R esolution Specif ies if Windows Inter net Naming Ser vic e (WINS) res olution is tur ned on or not. WIN S reso luti on al lows y ou to run appl ica[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 48 www .polycom .com Properties dialo g, where you can change your ne twork configura tion s etting s . Audi o The Audio screen lets you s et audio confi guratio n optio ns. ViaVideoUG.book Page 48 Thursday, December 7, 2000 2:49 PM[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 49 Via Vide o User’ s Guid e Mute Auto Answer Calls Mutes ou tgoing aud io for cal ls when Auto Answer Incoming Ca lls is sele cted. Headphones or Speaker s A cti va tes th e ViaVideo came ra unit’s inter nal micropho ne . Selec t this op tion when usi ng speakers or hea dphone[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 50 www .polycom .com Software The PC and V iaVideo soft ware selec tions in the Software screen allow you to view softwar e informa tion. This is useful when y ou are troubles hooting P C proble ms, or if y ou are ha ving troubl e with the ViaVid eo unit . PC Software The P[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 51 Via Vide o User’ s Guid e Y ou can ch ec k ViaVideo’s software upda te site for the la test version by clic king Check for New Software . If a n ew v ers ion of the software exists, y ou can d ownload it from this site. The sof tw are up da te URL can b e set to a site o n y[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 52 www .polycom .com QOS Lets you see and ch ange QOS, Netw or k Addres s T rans lato r , an d Fire w all settings (see page 56) . H.323 The H.323 scr een lets you configur e the H.323 nam e and e xtensi on used to di al your ViaVideo w hen you are u sing a gate k eeper . H[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 53 Via Vide o User’ s Guid e Multiple IP Addresses If you are usin g multi ple IP ad dresses, the Choose Other IP Address option a ppear s in the H.323 screen. Y ou can s pecify which IP address you want ViaVideo to us e b y clic king Choose Other IP Address and s electing the IP[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 54 www .polycom .com Gateke eper Use the Gat ekeeper screen to esta blish conn ections with your network’s H.323 gatekeeper . Registering with a ga tek eeper le ts you make calls using gateways and some Multi-p oint Conferen cing Uni ts (MCUs). The Ga tekeepe r screen pro[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 55 Via Vide o User’ s Guid e Dialin g Speeds The Dialing Speeds screen lets you spec ify whic h line spee ds are availab le in the manual callin g scree n, and when creatin g loca l address book en tries. Specify ing a ran ge of s peeds in this s creen mak es it muc h easie r to [...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 56 www .polycom .com W e recomme nd tha t you sele ct li ne speeds that you know your network can ha ndle . If you a re not su re whic h line speeds are be st, conta ct your network adminis trator . ViaVideo pr o vides ultra-low s peeds, 80 and b elow , to provide for conne[...]

Chapter 3 Syste m Infor matio n and Di agnostic s © Polyco m, Inc. 57 Via Vide o User’ s Guid e Auto disco ver NAT IP addres s Sele cting this opti on activate s ViaVideo’s auto matic e xter nal IP addres s featur e, which d iscov ers your NA T’s exter nal IP ad dress and automa ticall y enter s it in the NAT outside (WAN) address field. NAT[...]

Chapter 3 Syste m Infor matio n and Di agnostic s ViaVideo Use r’ s Guide 58 www .polycom .com ViaVideoUG.book Page 58 Thursday, December 7, 2000 2:49 PM[...]

© Polyco m, Inc. 59 Via Vide o User’ s Guid e A Audio Connection Beca use of the multiple possibi lities for audio connect ion wit h the ViaVid eo camer a unit, the follow ing infor mation is provi ded to hel p you cor rectly install your a udio conn ection. PC with Speakers This dia gra m shows the co r rect connec tion from the ViaVideo audio [...]

Appen dix A Audio Con necti on ViaVideo Use r’ s Guide 60 www .polycom .com PC with Headphones This dia gra m shows the co r rect connec tion from the ViaVideo audio line out t o the P C line in when usin g headp hones. Select Headphones or Speaker s in the Audio scr een ( Syst em Informati on>Setup>A udio ) when u sing thi s type of aud io[...]

Appen dix A Audio Con necti on © Polyco m, Inc. 61 Via Vide o User’ s Guid e Headphones Only This dia gra m shows the co r rect connec tion from the ViaVideo audio line out t o the P C line in when usin g headp hones. Select the Headphones or Speaker s opt ion in the Audio screen ( System Informati on>Setup>A udio ) when u sing thi s type [...]

Appen dix A Audio Con necti on ViaVideo Use r’ s Guide 62 www .polycom .com Headset with Attached Microphone This dia gra m shows the co r rect connec tion from the ViaVideo audio line out t o a head set with a ttac hed mi crophon e . Selec t the Head set with Microph one option in the Audio sc reen ( System Informati on>Setup>A udio ) when[...]

© Polyco m, Inc. 63 Via Vide o User’ s Guid e B Network Connection Although conne cting any network dev ice ca n be a con fusin g task, we at ViaVid eo are all for sim plifying thi ngs a bit. If you don ’t have a network administ rator to tak e care o f all you r conne ctivity is sues, read the infor mation in this appendi x and you will be re[...]

Appen dix Network Connection ViaVideo Use r’ s Guide 64 www .polycom .com Router With NA T , No Firewall If your netwo rk conn ection is t hrough a ro uter with a Network Addres s Transl ator (NA T), but no firewa ll, use t he config uration instruc tions on pag e 65. For more inform ation abou t NATs, refe r to “What’s a Network A ddress Tr [...]

Appen dix Network Connection © Polyco m, Inc. 65 Via Vide o User’ s Guid e Through a Virtu al Private Network If your n etwork conn ection i s throug h a Virtual Privat e Network (VPN), use the conf igura tion ins truction s on page 70. Configure Y our Connection And you’ re read y to com municate ViaVide o! Simple Co nnect ion - Just a Mo dem[...]

Appen dix Network Connection ViaVideo Use r’ s Guide 66 www .polycom .com 2. Select t he System is B ehind a NAT option. 3. Enter your NA T’s exter nal IP add ress in th e NAT Outside (WAN) Address field. Y ou c an enter th e address manual ly , or let ViaVi deo enter it automa tica lly by selec ting the Auto discover NAT IP Address option . Wh[...]

Appen dix Network Connection © Polyco m, Inc. 67 Via Vide o User’ s Guid e automa tica lly discov ers your e xter nal IP addres s and enter s it i n the NAT Outside (WAN) Addres s field. If you are us ing a pr o xy ser v er , the Auto discover NAT IP Address option may not wo rk cor rec tly . Y ou s houl d ent er y our NA T’s exter nal IP add [...]

Appen dix Network Connection ViaVideo Use r’ s Guide 68 www .polycom .com 1. Go to the Quality of Service and Firewall scre en ( Syste m Info>Setu p>H.32 3>QOS ). 2. Select t he Use Fix ed Ports option. 3. If you used the default po r t range when a ssigning th e por ts i n your firewall interf ace, y ou don’t need to change anything. [...]

Appen dix Network Connection © Polyco m, Inc. 69 Via Vide o User’ s Guid e In addition to placing the P C ru nning ViaVideo in the DMZ, you also need to co nfigure your ViaVideo to r un behind a Network Address T ransl a tor (NA T ) Configure Y o ur ViaVideo for NA T In additio n to assi gning your PC r unning Vi aVideo to the DMZ, you also nee [...]

Appen dix Network Connection ViaVideo Use r’ s Guide 70 www .polycom .com Through a Virtu al Private Network To conf igure your ViaVid eo to oper ate throu gh a Virtual Private Network ( VPN) you first ne ed to confi gure yo ur VPN (i n Windows’ Setting s>Control Panel> Network>C onfigura tion ). S elect the VPN conne ction as y our ne[...]

Appen dix Network Connection © Polyco m, Inc. 71 Via Vide o User’ s Guid e If you want to cha nge IP add resses on ce ViaVi deo is al ready r unning, go to the H .323 screen ( System Info> Setup>H .323 Setup>H.3 23) and c lick Choose Other IP Address . Note Before activa ting your VP N, mak e sur e that ViaVideo’s System is Behind a N[...]

Appen dix Network Connection ViaVideo Use r’ s Guide 72 www .polycom .com ViaVideo presents the Multiple IP Addresses screen ., Chose the IP addres s of your VPN connecti on and re star t the applic ation. Once the ViaVideo a pplica tion r e-star ts, ViaVid eo uses the IP address you specifie d. This address is displ ay ed in the System Informati[...]

Appen dix Network Connection © Polyco m, Inc. 73 Via Vide o User’ s Guid e up a ba r rier to pac k et traf fic, l imiting outside access to your inte r nal network. This is a good thi ng, but you wouldn’t be read ing this if you didn ’t want to comm unica te with t he outsi de world , so ther e are two solu tions: ope ning p or t s in t he f[...]

Appen dix Network Connection ViaVideo Use r’ s Guide 74 www .polycom .com unauthor ized access. The need for pr otection must be b alanced against the need to commun ica te with the outs ide worl d. This is why most security solut ions fo cus on mi nimi zing th e risk un til it reaches an accepta ble lev el. Opening por ts in the firewall migh t [...]

Appen dix Network Connection © Polyco m, Inc. 75 Via Vide o User’ s Guid e What’ s a Network Address T ranslator? A NA T is a set of s er vi ces on the r outer tha t all ow you to opera te a loca l network of devices, e ach wi th its ow n loca lly uniqu e IP address, while comm unica ting to the Inte r net t hrough a router whi ch pres ents a [...]

Appen dix Network Connection ViaVideo Use r’ s Guide 76 www .polycom .com ViaVideoUG.book Page 76 Thursday, December 7, 2000 2:49 PM[...]

© Polyco m, Inc. 77 Via Vide o User’ s Guid e C T roubleshooting This a ppendix e xplains the most commo n proble ms and er ror message s you mig ht encounte r when usi ng ViaVideo , and expla ins how to cor rect them. General T roubleshoo ting The foll owing tabl e presents problem s you mi ght encou nter whil e using V iaVideo, their ex planat[...]

Appen dix C Troubleshooti ng ViaVideo Use r’ s Guide 78 www .polycom .com Audio T roubleshoo ting The fol lowing ta ble l ists aud io-relate d proble ms, t heir expl anations, and po ssible solution s. Proble m Explanat ion Solution No A udi o Y ou ma y not ha v e yo ur audio ho ok ed up c or rect ly . Sele ct Genera te T one ( System Info>Dia[...]

Appen dix C Tr o u b l e s h o o t i n g © Polyco m, Inc. 79 Via Vide o User’ s Guid e Low A udio Audio lev els ar e not set correctly . 1. Chec k your soun d lev els in the Volume Controls (right-c lick the speaker icon in the Windo ws toolbar). C hec k Line In , Wave , and M aster Volume contro ls. 2. Chec k the volume control for your PC sp e[...]

Appen dix C Troubleshooti ng ViaVideo Use r’ s Guide 80 www .polycom .com Video T roublesho oting The foll owing tabl e lists v ideo-rel ated probl ems, their ex planati ons, and sol ution s. Probl em Explan ation Solution Laun ching ViaVideo generat es the follo wing er ror message: “Y our video card d oes not suppor t h ardware acce lerati on[...]

Appen dix C Tr o u b l e s h o o t i n g © Polyco m, Inc. 81 Via Vide o User’ s Guid e Video is out of focus. Either t he camera is out of focus, or there is not e nough light in the area a nd the camera ca nnot genera te a clear i mage . Use the focu s whee l ab ov e the camera lens to a djust foc us. If this do es not resolve the problem , add[...]

Appen dix C Troubleshooti ng ViaVideo Use r’ s Guide 82 www .polycom .com Error Messages The foll owing tabl es give c ommon e rror messa ges, thei r explanat ions, and solu tions. Installation Errors The foll owing tabl e lists install ation-rel ated err or mess ages, the ir explanat ions, and solu tions. H.323 Errors The foll owing erro rs are [...]

Appen dix C Tr o u b l e s h o o t i n g © Polyco m, Inc. 83 Via Vide o User’ s Guid e Ga tek eeper D iscov er y Re qui red Y ou m ust al low V iaVi deo to discov er the gatekeeper . Sele ct Auto on th e H.323 Gatekeep er setting ( System Info>S etup>H. 323 Set up>H .323 ). Ga tek eeper Invalid Revision Y our ga tek eeper may no t suppo[...]

Appen dix C Troubleshooti ng ViaVideo Use r’ s Guide 84 www .polycom .com ViaVideoUG.book Page 84 Thursday, December 7, 2000 2:49 PM[...]