Manuale d’uso / di manutenzione del prodotto Max 420 del fabbricante Net2Phone
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The specifi cations an d informa tion regard ing the prod ucts in t his manual are subject t o change w ithout notice. Al l statemen ts, informa tion, and recommendat ions i n this man ual are bel ieved to be accurate but are presented w ithout warranty of any kin d, express or implied.
· Turn the t elevision or r adio a ntenna until t he interferen ce st ops. · Mov e the equipment to one side or the other o f the telev ision or radio . · Mov e the equipment far ther aw ay from the televi sion or rad io. · Plug the equ ipment into an outlet that is on a differen t circui t from the television or radio.
Max 410/420/430 User’s Guid e i Table of Contents 1 WELCOME ...................................................................................... 1 O VERVIE W .........................................................................................
Max 410/420/430 User’s Guid e ii Entering a Ne tmask Addre ss fr om a Telepho ne Keypad (M a x 420/430) ................................................................................. 23 Re-enabling DHCP from a Telephon e Keypad (M a x 420/430) ..
Max 410/420/430 User’s Guid e iii O THER W EB M ANAGER F UNCTIONS ................................................... 64 Load Defaul t Config ................................................................... 64 Show Log M essages .................
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Max 410/420/430 User’s Guide – Chapter 1 1 1 Welcome Over vi ew Congratulat ions on pur chasing the Max 410/420/430 ! The Max 410/420/430 is a Voice over I nternet Protoc ol (VoIP) device th at allow s you to make multiple outgoing calls over the Internet u s ing a sing le Ethernet Local Area Network (LAN ) connection.
Max 410/420/430 User’s Guide – Chapter 1 2 Exchange (PBX ), Automatic Public Bran ch Exchange (APBX), or Key Phone Sy stem (KPS) syste m s. They are used to pla c e outgoing calls over the Int ernet and to receive incom ing cal ls from other devices.
Max 410/420/430 User’s Guide – Chapter 1 3 Account Balance Announcement by Port – The Max 410, 420, and 43 0 have a W eb configura ble toggle switch that enables the IVR to announce t he account bala nce or minutes remaining on the port that the call is going over.
Max 410/420/430 User’s Guide – Chapter 1 4 Inbound Allo w List – The Inb ound Allow List feature for FX O ports allow s the user to specify the allow able inbound number s that can m ake use of the port for outbound calls.
Max 410/420/430 User’s Guide – Chapter 1 5 Package Contents You shoul d find the fo llowing c ontents i n your Max 410, 420, or 43 0 package: Max 410, 420 , or 430 dev ice Power adapter 100-250V AC in put 0.5A +5V DC output 3 .
Max 410/420/430 User’s Guide – Chapter 1 6 Hardware Requirements To use the M a x 410, 420, or 430, y ou will n eed: A Max 410, 420, or 430 uni t and power cor d. A Local Area Netw ork (LAN) with a broadban d connect ion, wh ich must not h ave proxy server caching.
Max 410/420/430 User’s Guide – Chapter 1 7 A Hardware Installation Guide descri bing hardware instal lati on, cab lin g, and safety - related issu es. A User Guide o utlining how to install , configure , and use th e Max.
Max 410/420/430 User’s Guide – Chapter 1 8 FOR INFORMATION ON… GO TO… IVR Configurati on Chapter 5, Using the Max Web M anager Upgrading t he Firmware Chapter 5, Using the Max Web M anager Max.
Max 410/420/430 User’s Guide – Chapter 2 9 2 Getting Started Over vi ew To start usin g your M ax 410, 420, or 430, you s imply have to: 1. Install the M a x 410/420/430 u nit in its l ocation and connect the cablin g. 2. Configure th e LAN sett ings on the M a x 410/420/430 so that it commu nicates w i th your LAN.
Max 410/420/430 User’s Guide – Chapter 2 10 Locating Your FXS and/ or FXO Ports You need to be able to identify the Max ’s physical port numbers befor e you can begi n configur ing its LAN settings. The RJ-11 s ockets are v isible on the Max’s rear panel.
Max 410/420/430 User’s Guide – Chapter 2 11 for proper air c irculation. D o not place object s in excess of 20 pounds o n top of the unit. IMPORTA NT: Please refer to the M ax 410/420/430 H ardware Installation G uide and observ e the safety precautions listed.
Max 410/420/430 User’s Guide – Chapter 2 12 Connecting the Max to a PBX The follow ing images illustrate the connect ions necessary when conne cting the M a x 410, 420, or 430 to a PBX.
Max 410/420/430 User’s Guide – Chapter 2 13 Connecting the Max 420’s FXS Ports to a PBX Figure 3 – M ax 420 Connections to a PBX LEGEND: SLIC/SLIB: Subscriber Line Interface Card/B oard SLT: S.
Max 410/420/430 User’s Guide – Chapter 2 14 Connecting the Max 430’s FXS/FXO Ports to a Telephone/PBX Figure 4 – M ax 430 Connections to a PBX When you hav e finished connecti ng the M ax’s FXS and FXO ports as illustrated in one of the i mages above, p lug the unit into a power out let and turn it on.
Max 410/420/430 User’s Guide – Chapter 2 15 Connecting the Max 420/430 ’s FXS Ports to a Fax Machine Connectin g your Max 420 or 430 to a fax machine is as si mp le as co nnec t ing the f ax ma chi ne’s RJ- 1 1 cab le to an FXS port on th e Max 420 or 4 30.
Max 410/420/430 User’s Guide – Chapter 2 16.
Max 410/420/430 User’s Guide – Chapter 3 17 3 Connecting the Max 410/420/430 to a LAN W hether your LAN uses DHCP or static addresses, you can set t he Max 410/420/430’s LAN configurati on in ei.
Max 410/420/430 User’s Guide – Chapter 3 18 Therefore, if y our LAN use s DHCP, the M a x 410/420/430’ s IP address parameter s were configured automatical ly when y ou connected it to the LAN .
Max 410/420/430 User’s Guide – Chapter 3 19 Connecting to t he Max 410 through a Serial Cable This se ction explain s how to conne ct to the M ax and obtain its DHCP IP address. The remaining configuration tasks can then be comple ted more easily via the Max Web Manager .
Max 410/420/430 User’s Guide – Chapter 3 20 4. Power-on the M a x, then press the Enter key. The boot messages are d isplay ed, followed by the command pro m pt n2p:> . NOTE: n2p is the default sy stem name with which the unit is sh ipped. Thi s can be replaced by a system name you selec t, such as MY_Max:> .
Max 410/420/430 User’s Guide – Chapter 3 21 NOTE: • The Max 4 10/420/430 prov ides three fixed user (or ma nager) names. You can c hange any manager’s pass word, but managers cannot b e created , deleted, or renamed. • Manager names and p asswor ds are case sensitive.
Max 410/420/430 User’s Guide – Chapter 3 22 addresses, using either a t elephone key pad or seria l connect ion. The pro cess will e ntail the fol lowing steps: 1. Disable DHCP in the M ax 410/420/430. 2. Enter a static IP address. 3. Enter a net mask address.
Max 410/420/430 User’s Guide – Chapter 3 23 Entering an IP Address from a Tele phone Keypad ( Max 420/430 ) Ask your Netw ork Administrator for t he IP address that will be assigned , the LAN’s netma sk address, domain name, and any other IP paramet ers that can b e provided.
Max 410/420/430 User’s Guide – Chapter 3 24 The voice pr ompt respon ds, “Your netma sk address is…” and repeats the address you entered. 3. If the new address is correct, simply hang up the telephone. If t he new address i s incorrect, han g up the teleph one and repeat fr om step 1, a bove.
Max 410/420/430 User’s Guide – Chapter 3 25 Entering Static I P Addres ses via H yperT erminal (Ma x 410) Although many of the Max 410’s IP parameters can be set manually thr ough the serial connection , if desired , this section will only show you how to set the IP addre ss and netmask par ameters.
Max 410/420/430 User’s Guide – Chapter 3 26 Figure 6 – HyperTermina l Window To connect t o the Max Web M anager , you w ill need to enter at le ast an IP addr ess and netmask. To enter the Max’s IP parameters from t his menu: 1. Type the num ber of the par ameter you want to enter or ch ange.
Max 410/420/430 User’s Guide – Chapter 3 27 Figure 7 – HyperTermina l Window (Enter IP Addre ss) 3. W hen you fini sh m aki ng cha nges , res et the Max 410 to activ ate the cha nges. Y ou may either: type /system/reset at the command line, or power-off the unit, w ait 10 sec onds, and turn it on again.
Max 410/420/430 User’s Guide – Chapter 3 28.
Max 410/420/430 User’s Guide – Chapter 4 29 4 Logging into the Max Web Manager Over vi ew Before you can log in to t he Max Web Manager, you need to know the Max’s current IP address. To obtai n its IP address via a telephon e keypa d or serial c onnection, r efer to the procedur es in Chapter 3 , Connecting the M ax 410/420/430 to a LAN .
Max 410/420/430 User’s Guide – Chapter 4 30 1. Open a new browser window and enter t he Max 410/420/430’ s IP address in t he addres s box. The Max Web Manager D oor page appe ars . Figure 9 – M ax 410/420/430 Door Page 2. Click the enter - Open the door area.
Max 410/420/430 User’s Guide – Chapter 4 31 Figure 10 – Network Passwo rd Dialog Box 3. Enter your User Name and Passw ord . NOTE: The default us er name is root and the default pas sword is n2p . You are now l ogged in. T he Max Web M anager Site Map page display s .
Max 410/420/430 User’s Guide – Chapter 4 32.
Max 410/420/430 User’s Guide – Chapter 5 33 5 Using the M ax Web Manager Over vi ew The Max Web Manager is a pow erful tool that al lows you to configure a nd manage your Max 410/420/430. T he menu option s provide access t o network, a ccount, and IVR configur ation, just to name a few.
Max 410/420/430 User’s Guide – Chapter 5 34 Port Confi gur ation In the Addre ss Table Con figuration table on the Port Configurati on page, yo u can assi gn a local addr ess to each port, al lowing you to si mulate a loca l PBX in w hich the ports can easily communic ate with each o ther.
Max 410/420/430 User’s Guide – Chapter 5 35 menu. To mo dify any paramet ers on the pag e, simply enter the desi red values into t he respectiv e boxes. NOTE: DHCP users: If your LAN uses DHCP addresses, y ou do not h ave to configur e this page. Y ou may proceed d irectly to Account Configurati on , later in this chapter.
Max 410/420/430 User’s Guide – Chapter 5 36 Client TCP Start Port OPAL Start Port UDP Start Port NIC Voice Configuration Table The Voice C onfiguration table allow s you to set the Ji tter Buffer Bounds, w hich are used to contro l Quality of Service (QoS).
Max 410/420/430 User’s Guide – Chapter 5 37 IP Address (may alr eady be populat ed) Netmask Addr ess (may alrea dy be popula ted) Default Gateway .
Max 410/420/430 User’s Guide – Chapter 5 38 Idle – CDR is not enabl ed NOTE: If a default gateway a ddress or a DNS serv er address is not used the v alue 0.0.0.0 must be entered into their respective bo xes. If the box es are left blank the modified configuration settings will not be sav ed.
Max 410/420/430 User’s Guide – Chapter 5 39 UDP Port 21000 The table bel ow explains the p rocedure for openi ng firewall por ts for your M a x gatew ay. This example illustrates the UDP Port (OPAL) assig nments (w ith a default start point of 700 0) for a 4-port Max gateway.
Max 410/420/430 User’s Guide – Chapter 5 40 NOTE: The TCP start port an d UDP start port parameters in the Net work Configuration table must match the open firewall ports. If there are m ultiple Max gateway s behind a firewall, t his process must be repeat ed with differ ent UDPPORT & TCPPORTs for each unit.
Max 410/420/430 User’s Guide – Chapter 5 41 firewall for y our M ax 410/420/430 u nit), you mu st specify the se open port s on the M a x device(s): a.
Max 410/420/430 User’s Guide – Chapter 5 42 Figure 18 – Account I nformation Table The Max 410/420/430 all ow s accounts to be managed in either of tw o ways: Single Account Mana.
Max 410/420/430 User’s Guide – Chapter 5 43 5. Click the Save button a t the bottom of the page to save the settings. 6. Click the Restart Sy stem link on the Site M ap page and then click the Resta rt button to reboo t the system .
Max 410/420/430 User’s Guide – Chapter 5 44 The Login Button The Yes radio button s in the Login col umn (shown in Figure 18 abov e) are u sed to enable a port to receive incoming M ax-to-Max calls.
Max 410/420/430 User’s Guide – Chapter 5 45 from other ex tensions connect ed to the unit through an FXS port, and only FXS ports can be conf igured for this function. If a custom ized number ing scheme is desired, entries for each number can be added to the table.
Max 410/420/430 User’s Guide – Chapter 5 46 INTERFACE TYPE DESCRIPTION FXS interf ace for analog telephone VoIP interface for IP network 2. Enter the logical number o f the port, referr ing to the table you prepared in A ppendix D.
Max 410/420/430 User’s Guide – Chapter 5 47 NOTE: The two VoIP entries in the Current Routing Table cannot be deleted, a s they are necessary for correct operation of t he Max 410/420/ 430 sy stem. After the desire d changes have bee n entered, c lick the Save button to save them.
Max 410/420/430 User’s Guide – Chapter 5 48 To acce ss the IVR Co nfigurati on page, cli ck the Rem ot e IVR Config link on t he Site M ap page or on th e sidebar menu. Figure 20 – Remote Access I VR Configuration Table Multiple pa sswords are suppor ted for more flexibility .
Max 410/420/430 User’s Guide – Chapter 5 49 VoIP dial tone a nd can make VoIP ca lls without restr iction. Play Welcome O nly – W hen this opti on is selected, c allers to th e port he ar a welcome me ssa ge, “Welcom e to Net2Phone. Pl ease enter the number you wish to c all.
Max 410/420/430 User’s Guide – Chapter 5 50 incoming c alls to tha t port forwarded to a specified n umber auto maticall y, without notice to the caller. Any PSTN telephone number, or a ne t2phone account nu mber preceded by *72, may be entered in the Forwarding Number column.
Max 410/420/430 User’s Guide – Chapter 5 51 New York City LAN London LAN 123 456 789 * 8# PBX Extension PBX Switch PBX Swi tch PSTN Analo g Line Card 1. Caller dials 5722, which is pre-set on PBX to dial *72123412341 2#, account no. of London MAX's FXO port.
Max 410/420/430 User’s Guide – Chapter 5 52 Click the Max to Max IVR Config link on the Site M ap page or on the sidebar menu t o access t he Max -to-Max IVR Configurati on Table, i llustrated below in Figure 22.
Max 410/420/430 User’s Guide – Chapter 5 53 If the rece iving port is an FXO port, it permit s callers to use its PBX as though t hey were on a local PBX telephone extension, subject to the optio ns set by th e receivin g unit’s system ma nager in it s Max-to-Max IVR C onfiguration Table.
Max 410/420/430 User’s Guide – Chapter 5 54 passw ord may consist of no more than 5 numeric char act e rs. Welcome and Pas sword – This option combines t he two fun ctions de scribed above.
Max 410/420/430 User’s Guide – Chapter 5 55 NOTE: • Only one of the p orts sharing a sin gle account may have the Y in its Login column selected, designati ng it to receive call s. • Each port can p lace outgoing calls using the single account, which may be acceptable w hen acc ount usage is not tracked.
Max 410/420/430 User’s Guide – Chapter 5 56 New York City LAN London LAN 123 456 789 * 8# PBX Extension PBX Switch PBX Swi tch PSTN Analog L ine Card 1. Caller dials 5722, whi c h is pre-set on PBX to dial *72123412341 2#, account no. of London MAX's FXO port.
Max 410/420/430 User’s Guide – Chapter 5 57 is 100. If one caller ID length i s 10 digits, then the tot al number of all owable c allers wil l be 9, since th e comma ( , ) that separ ates the dif ferent number s occupies one d igit.
Max 410/420/430 User’s Guide – Chapter 5 58 1. Click in the Allo w List box for the port that you would lik e to config ure. 2. Enter the number( s) that you w ould like to allow for that port. Sep arate numbers w ith a comma (,). 3. Select the rad io button that represents how you would lik e unauthoriz ed caller s to be han dled.
Max 410/420/430 User’s Guide – Chapter 5 59 3. Click the ADD button to save the clas s definitio n. The restricted digits appear ne xt to the cla s s you defined . NOTE: Users cannot make a call to the restricted number s that are in both his/her own class and a higher cl ass.
Max 410/420/430 User’s Guide – Chapter 5 60 Port Class Config uration This fun ction allow s you to as sign a ca ll authoriz ation class t o each port t o restrict o utbound c alls. There are 6 classes: A, B, C, D, E, and U. Class A has the most out bound call acce ss capabil ity.
Max 410/420/430 User’s Guide – Chapter 5 61 1. In the Port Class Setting table, enter th e port number to w hich you w ould like to a ssign a clas s. 2. In the Class drop-dow n menu, sel ect the cla s s you w ould like to as sign to the specified port.
Max 410/420/430 User’s Guide – Chapter 5 62 Country Code – The acce ss number y ou dial when plac ing a call from another co untry. For example, in the US, the country code is 1. Area C ode (city code) – The acce ss number for the area or city in which yo u live.
Max 410/420/430 User’s Guide – Chapter 5 63 number, and ar ea code numb er added to the local pho ne number. By placing t his informa tion in the Local Dialing Sys tem: the user do.
Max 410/420/430 User’s Guide – Chapter 5 64 Current Sy stem Name -- the current name assig ned to t he Max Changing Sy stem Name – allows you to enter a new system na me .
Max 410/420/430 User’s Guide – Chapter 5 65 Click the Load button t o restor e the Max 410/420/430’s default factory configura tion. CAUTION: This command causes all of your configuration setti ngs and parameter values to be del eted.
Max 410/420/430 User’s Guide – Chapter 5 66 Figure 32 – Dow nload Latest Firmware Pag e IMPORTANT: Before upgrading to version 1.5.30, y ou should follow the Preparing for the Upgrade sect ion below to ensure that the Max’s f ax features wil l work properly .
Max 410/420/430 User’s Guide – Chapter 5 67 ensure th at after the up grade, the fax es will be transmitted u sing the T .38 fax proto col on the Net2Phone ne twork. a. In the W eb M anager, clic k the A ccount Config link in the sidebar menu. b. For each port t hat has a settin g of Y in the FAX Onl y field, click the N r adio button.
Max 410/420/430 User’s Guide – Chapter 5 68 2. Click the Load butt on. 3. Reboot the d evice. 4. In the W eb M anager, re-enter any setting s that you may have m odified fro m the origin al default configura tion based on the co nfiguratio n settings that you printed o ut before the upgrade.
Max 410/420/430 User’s Guide – Chapter 6 69 6 Placing Calls Over vi ew With the M a x 410/420 /430, you ca n quickly and easily place call s nex t door or overse as! This chapt er describes how to mak e regular pho ne calls and Max-to-M ax calls.
Max 410/420/430 User’s Guide – Chapter 6 70 Placing In ternational Calls Pick up the handset and dia l: 011 + the cou ntry code + the c ity code + th e local nu mber + the # key. For example, if the country code i s 9, the city code is 81 and the loca l number is 223-4 567, you would dia l 011 9 81 2234567 # .
Max 410/420/430 User’s Guide – Chapter 6 71 On the New Yor k City (local) Max unit: The New York City M ax’s four FX O ports have been conf igured for M a x-to-Max calling and their Max -to- Max IVR setting is IVR Off . Extensio n number 400 0 on the PBX has been assigned to this group.
Max 410/420/430 User’s Guide – Chapter 6 72 your call m ay be automati cally forwarded to another number (without any n otification t o you). NOTE: • If the LAN to which either M ax is connected e mploy s a firewall, y ou need to configure se ttings on both the Max unit and t he firewall before you can place Max-to-Max calls.
Max 410/420/430 User’s Guide – A ppendix 73 7 Appendices Appendix A – Troubleshooting Insta llation P roble ms If there ap pears to be a malfun ction, first check all cables and connect ions. If these appe ar to be in order , see the following t able for sp ecific trou bles and so lutions.
Max 410/420/430 User’s Guide – A ppendix 74 SYMPTOM POSSIBLE CAUSE CORRECTIVE ACT IO N Overheating Check ventilati on Unit shut s off after operating for some tim e Faulty N2P Ma x 410/420/430 Con.
Max 410/420/430 User’s Guide – A ppendix 75 Make sure th e RJ-45 LAN cable is conne cted securely to y our M ax 410/420/430 and LAN , hub, or rout er. Make sure th at all netw ork ports, routers, or hubs are liv e. I set DHCP to ON, but my Max 410/420/430 cann ot obtain correct net work settings.
Max 410/420/430 User’s Guide – A ppendix 76 Make sure b oth the user name and p assword are correct (not e that the u ser name and passw ord are case se nsitive).
Max 410/420/430 User’s Guide – A ppendix 77 Guide). Then check to see if 00 REL DM_NOT_SPECIFIED is displ ayed. This would indicate tha t the doorman se rvers coul dn’t be found. M ake sure that the DNS server IP parameter val ues are corr ect so that the doorman can be reached.
Max 410/420/430 User’s Guide – A ppendix 78 upgrading to v ersion 1.5. 30, that se tting may not have bee n cleared by the upgrad e process. As a result, y ou must re- load the factory defaults and r e-enter your conf iguration settings.
Max 410/420/430 User’s Guide – A ppendix 79 Appendix B – Technical Support If you are ex periencing a tech nical proble m, please r efer to Appendix A , Troubleshoot ing , in this Guide. If the problem rema ins unreso lved, plea se contact y our resell er for assi stance.
Max 410/420/430 User’s Guide – A ppendix 80 Appendix C – Sy stem Specifications SYST EM SPECIF IC A TIO NS Analog v oice interface FXO, R J-11 (Max 410) FXS, RJ-11 (M ax 420) FXS/FXO, R J-11 (Ma.
Max 410/420/430 User’s Guide – A ppendix 81 SYST EM SPECIF IC A TIO NS Input power 5V AC/DC adaptor: i nput 100 - 240 VAC, 1.5 A ( max.), 50/60 Hz, 50 W (max.
Max 410/420/430 User’s Guide – A ppendix 82 Appendix D – Physical and Logical Port Number Table FXS PORT S FXO PORT S Physical Port Number Logical Port Number Physical Port Number Logical Port N.
Max 410/420/430 User’s Guide – A ppendix 83 Appendix E – Approvals and Listings For Max 410/ 430 FCC Declaration of Conformity Product name: Max 410, M ax 430 FCC.
Max 410/420/430 User’s Guide – A ppendix 84 NOTE: Important! Changes or modifications not e xpressly approved by the manufactur er could void the us er’s authority to operate the equipment. Use with an approved t elephone set. Party responsible for product compliance: Net2Phone, In c.
Max 410/420/430 User’s Guide – A ppendix 85 Appendix F – End User Warrant y This product is warranted to be f ree from manufacturing defects including original parts and workmanship for a period of one year from the date of orig inal purchase.
Max 410/420/430 User’s Guide – A ppendix 86 OF THE PRODUCT. ANY APPLICABLE IMPLIED W ARRANTIES, INCLUDING THE W ARRANTY OF MERCHANTABILITY, ARE LIMITED IN DURATION TO A PERIOD OF THE EXPRESSED W A.
Max 410/420/430 User’s Guide – A ppendix 87 8 Index A Account Co nfiguration p age · 43 accounts · 10, 43, 79 AVU · 82 B broadband · 1 browser · 29, 30 C CDR Configur ation · 35 D default ga.
Max 410/420/430 User’s Guide – Index 88 N net mask ad dress · 24 Netmask A ddress · 37 Network and Vo ice Configurati on page · 35 Network C onfiguration · 34, 35, 41, 42 Network Pa ssword · .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Net2Phone Max 420 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Net2Phone Max 420 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Net2Phone Max 420 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Net2Phone Max 420 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Net2Phone Max 420, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Net2Phone Max 420.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Net2Phone Max 420. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Net2Phone Max 420 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
