Manuale per l’uso Cisco 7985G

64 pagine 0.77 mb
Scarica

Vai alla pagina of 64

Summary
  • Cisco 7985G - page 1

    Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Cisco Unif ied IP V ideo Phone 7985G INCLUDING LICENSE AN D WARRANTY Phone Guide ...

  • Cisco 7985G - page 2

    ...

  • Cisco 7985G - page 3

    Cisco, Cisco IOS, Cisco Systems, and the Cisco Systems logo are registered trademarks of Cisco Syst ems, Inc. or i ts affiliates in the United S tates and certain other countries. Al l othe r brands, names, or trademarks men tioned i n this document or W ebsite are the prop erty of their respective owners. The use of the word partner does not imply ...

  • Cisco 7985G - page 4

    HLog Prevent hunt group call s from ringing on your phone b y logging out of hunt groups iDivert Send a call to your vo ice messaging sys tem Join Join several calls already on a single line to create a con ference MeetMe Host a Meet-Me conference call more Display add itional softkeys New Call Make a new call OPickUp Answer a call ringing in an as ...

  • Cisco 7985G - page 5

    Cisco Unified IP V ideo Phone 7985G Phone Guide v Contents Getting Started 1 Using this Guide 1 Safety and Performance Information 3 Accessibility 5 Connecting Your Video Phon e 6 An Overview of Your Video Phone 8 Understanding Buttons and Hardw are 8 Understanding the Scre en Layout 12 Getting H elp on Your Ph one 14 Understanding F eature Functio ...

  • Cisco 7985G - page 6

    vi 78-16798-02 Picking Up a Ringing Call to Your Phone 30 Storing and Retrieving Parke d Calls 34 Tracing Suspicio us Calls 34 Prioritizing Critical Calls 34 Using a Head set, and Speake rphone 36 Obtaining a Headset 36 Using AutoAnswer with a Headset or the Speak erphone 37 Using Phone Settings 38 Adjusting the Volume 38 Customizing Alert Tone 39 ...

  • Cisco 7985G - page 7

    Cisco Unified IP V ideo Phone 7985G Phone Guide 1 Getting Started Using this Guide This guide pro vides you with an overview of the feat ures that are available o n your phone. Y ou can read the guide completely for a solid understanding of your phone’ s capabilities, or refer to the following table for pointers to commonly used sections. If you ...

  • Cisco 7985G - page 8

    2 78-16798-02 Finding Additional Information Y ou can access the most current Cisco Unified IP Phone documentation on the W orld Wide W eb at this URL: http://www .cisco.com/univercd/cc/td/doc/product/ voice/c_ipphon/index.htm Y ou can access the Cisco website at this URL: http://www .cisco.com/ International Cisco websites ca n be accessed from th ...

  • Cisco 7985G - page 9

    Getting Started Cisco Unified IP V ideo Phone 7985G Phone Guide 3 Safety and Performance Information Installing and Using Your Video Phone Read the following safety no tices before installing or using your Cisco Unified IP V ideo Phone: Wa rn in g IMPORT ANT SAFETY INSTRUCTIONS This warning symb ol means danger . Y ou are in a situatio n that could ...

  • Cisco 7985G - page 10

    4 78-16798-02 Using an External Power Supply The following warnings apply when you u se the external power supply with the Cisco Unified IP Video Phone 7985G: Wa rn in g This product relie s on the building's installation for short-circuit (over current) protection. Ensure that a fuse or circuit breaker no la rger than 120 V AC, 15A U.S. (240 ...

  • Cisco 7985G - page 11

    Getting Started Cisco Unified IP V ideo Phone 7985G Phone Guide 5 Accessibility A list of accessibility features is available upon request. ...

  • Cisco 7985G - page 12

    6 78-16798-02 Connecting Your Video Phone Y our system administrator will lik ely connect your new Cisco Unified IP V ideo Phone 7985G to the corporate IP network. If that is not the case, re fer to the graphic and table below to connect your phone. Cisco Unified IP V ideo Ph one 7985G Cable Connections 1 Plug for handset 4 Network cable, SW port ( ...

  • Cisco 7985G - page 13

    Connecting Y our V ideo Phone Cisco Unified IP V ideo Phone 7985G Phone Guide 7 Mounting the Handset Bracket Step 1 Slide the handset bracket into the tracks as shown on the figure. Make sure to push it firmly into the tracks until it snaps into place. Step 2 Connect the handset cable at the underside of the video p hone. Step 3 Place the system in ...

  • Cisco 7985G - page 14

    8 78-16798-02 An Overview of Your Video Phone Y our Cisco Unified IP V ideo Phone 7985G pro vides business-quality video over the same data network that your computer uses. Because the 7985G is design ed for the individual workspace, it makes a video meeting as simple as a telephone call. Th e video phone includes th e same softkey functionality an ...

  • Cisco 7985G - page 15

    An Overvi ew of Y our V ideo Ph one Cisco Unified IP V ideo Phone 7985G Phone Guide 9 • Button for displaying the l ines of the video phone Refer to the following gra phics and table for detailed descriptions. Cisco Unified IP V ideo Phone 7985G Overview 1 Camera The camera provides manual tilt a nd focus. T urn the lens to adjust focus. T ilt t ...

  • Cisco 7985G - page 16

    10 78-16798-02 Cisco Unified IP V ideo Phone 7985G Keypad 5 Speaker Y our phone includes a speaker that is lo cated between the keypad and the screen. 6 Camera lens cap docking Use a camera lens cap that is located at the back si de of the phone to cover the lens when the phone is not in use. The ca mera lens cap protects the lens and al so prevent ...

  • Cisco 7985G - page 17

    An Overvi ew of Y our V ideo Ph one Cisco Unified IP V ideo Phone 7985G Phone Guide 11 4 Brightness button Controls monitor brightness. See the “Adjusting Monitor Brightness” section on page 39 . 5 Softkeys Activates features presented on the co rresponding softkeys on the screen. 6 Selfview button Switches the video image from incoming to outg ...

  • Cisco 7985G - page 18

    12 78-16798-02 Understanding the Screen Layout The following example shows what your main screen might look like with an active video call. The menu appears on the screen as a semi transparent layer in front of your video image. Press (Display button) to toggle the menu on and off. Cisco Unified IP V ideo Phone 7985G Screen La yout 17 Volume button ...

  • Cisco 7985G - page 19

    An Overvi ew of Y our V ideo Ph one Cisco Unified IP V ideo Phone 7985G Phone Guide 13 5 V ideo image Displays the incoming video image. P ress the Selfview button to display the outgoing video image. 6 Call activity Displays y our current calls per line, caller ID, call sta te, and call duration. 7 Softkey labels Displays a so ftkey function. Pres ...

  • Cisco 7985G - page 20

    14 78-16798-02 Understanding Feature Buttons and Menus If you want to... Then... Open a feature menu Press a feature button: Messages Services Help Directories Settings Scroll through a list or menu Press the Navigati on button. Go back one level in a feature menu Press Exit . (If you press Exit from the top l evel of a menu, the menu will close.) ...

  • Cisco 7985G - page 21

    If you want to... Then... V iew the Main menu Press (Help button) on your phone and wait a few seconds for the menu to display . If you are already in Help, press Main . Choose from the following Main menu topics: • About Y our Cisco Unified IP Phone—Descriptive inf ormation about your phone model • How do I...?—Procedures and information a ...

  • Cisco 7985G - page 22

    16 78-16798-02 Understanding Call and Line Icons Y our phone displays icons to help you determine th e call and line state (on-hook, on hold, ri nging, connected, and so on). Icon Call State Description Connected call A type of active call in which y ou are currently connected to the other party . Many phone features require that you ha ve a connec ...

  • Cisco 7985G - page 23

    An Overvi ew of Y our V ideo Ph one Cisco Unified IP V ideo Phone 7985G Phone Guide 17 Selecting Calls Many phone features require that you select the calls you want to use with a particular feature. For example, you might have 1 5 held calls, but you only want to join 4 of them to a conference call. (The default maximum number of participants is 4 ...

  • Cisco 7985G - page 24

    18 78-16798-02 Tips • Y ou can have only one call be active at any given time; other calls will get placed on hold automatically . • When you have multiple calls on one line, calls with the highest precedence and longest duration display at the top of the call list. • The call list shows calls of a similar type grouped together . For example, ...

  • Cisco 7985G - page 25

    Basic Call Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 19 Basic Call Handling This section covers basic call-handling tasks such as placing, answering, transferring, and conferenc ing calls. Y o u can find the standard features that y ou use to perform these tasks on most phone s ystems. Before You Make a Video Call Before making a vid ...

  • Cisco 7985G - page 26

    20 78-16798-02 Dial by using the speakerphone Press New Call and enter a video or phone number , or you can press (Speaker button) before or after di aling, redialing, or speed dialing a number . Many of the actions th at you can take to dial a number automatically trigger speakerphone mode, assuming th at the handset is in its cradle and the (Head ...

  • Cisco 7985G - page 27

    Basic Call Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 21 Tips If you make a mistake while entering a ph one number , press << or the Cancel button to erase one or more digits. Use the right and left navigat ion b uttons to move through th e number . Press Cancel to exit the dialing attempt. Answering a Video Call Answer a video ...

  • Cisco 7985G - page 28

    22 78-16798-02 Ending a Video Call End a video call th e same way as you end a telephone call, ha ng up. See the table below for details. If you want to... Then... Hang up while you are using the handset Return the handset to its cradle or press EndCall . Hang up while you are using the headset Press (Headset button), if it is lit. Or , if you want ...

  • Cisco 7985G - page 29

    Basic Call Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 23 Displaying Your Outgoing Video Picture T o see your outgoing vi deo picture (the picture of yourself), use S elfview or PiP (Picture in Picture). Selfview displays your outgoing picture in full screen. PiP shows your outgoing picture in a smaller window . The PiP displays on top ...

  • Cisco 7985G - page 30

    24 78-16798-02 Transferring Calls T ransfer redirects a connected call. The target specifies the number to which you want to transfer the call. If you want to... Then... T ransfer a call without talking to the transfer recipient During a connected call, press Tr a n s f e r and enter the target number . When you receive the call ringing sound, pres ...

  • Cisco 7985G - page 31

    Basic Call Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 25 Forwarding Your Calls to Another Number Y ou can use Call Forward All to redirect your incoming calls from your Cisco Unified IP V ideo Phone to another number . Call Forward All ca n only be used on your primary line. Note Enter the Call Forward All ta rget number exactly as yo ...

  • Cisco 7985G - page 32

    26 78-16798-02 Making Conference Calls Conference calling allows three or more parties to participate in a call simultaneously . Y our Cisco Unified IP V ideo Phone can support sev eral types of conf erence calls depending on your needs a nd your phone configuration. The softkeys identi fy which methods are available on your phone: • Confrn —Us ...

  • Cisco 7985G - page 33

    Basic Call Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 27 Tips • For participation in a standard conference, ensure al l calls are pla ced on the same line. If this is not the case, you can transfer the calls to the sa me line before adding them to the conference. • If you receive an error message stating, “N o Participant Info? ...

  • Cisco 7985G - page 34

    28 78-16798-02 Starting or Joining a Meet-Me Conference Call Unlike a standard con ference, where the confere nce organizer must call parti cipants, a Meet-Me conference call allo ws participants to dial a Mee t-Me conference number at a predete rmined time to join the conference call. Y our system administrator may configure the Meet-Me conference ...

  • Cisco 7985G - page 35

    Advanced Ca ll Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 29 Advanced Call Handling Advanced call-handling tasks in volve special features that your system admin istrator migh t configure for your video phone depending on y our call-handling needs and work environment. Speed dialing Speed dial numbers allow you to quickly di al phone ...

  • Cisco 7985G - page 36

    30 78-16798-02 Note Y our system adminis trator can as sign speed dials to your phone; he o r she can also re strict the number of speed dials that you can configure Tips For details on making calls by using either speed di al method, see the “Placing a V ideo Call” section on page 19 . Picking Up a Ringing Call to Your Phone Y our system admin ...

  • Cisco 7985G - page 37

    Advanced Ca ll Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 31 • Wit h OPickUp , your system administrator can associa te multiple call pickup groups with your group and assign a priority to the groups. When you pre ss OPickUp , you connect the ringing call in the pickup group with the highest priority . • If you want to pick up the ...

  • Cisco 7985G - page 38

    32 78-16798-02 Maximum Supported Calls on a Shared Line The maximum number of calls that a shared line supp orts can vary by phone. Thus, at times you might not be able to make a new call on the shared line even if your co-worker can. For example, your phone supports a maximum of four calls on a shared line a nd your co-worker’ s phone supp orts ...

  • Cisco 7985G - page 39

    Advanced Ca ll Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 33 Tips • Barge an d cBarge softkeys are not available for private c alls. • Y ou cannot barge an encrypted call if the phone you are using is not configured for encryp tion. When your barge attempt fails for this re ason, your phone plays a fast busy tone. • Y ou will be ...

  • Cisco 7985G - page 40

    34 78-16798-02 Storing and Retrieving Parked Calls Y ou can “park” a call when you want to store the call, so you or someo ne else can retrieve it from another phone in the Cisco Unified CallM anager system (for example, at a coworker’ s desk or in a conference room). Call Park designates a special fe ature that your system administr ator may ...

  • Cisco 7985G - page 41

    Advanced Ca ll Handling Cisco Unified IP V ideo Phone 7985G Phone Guide 35 • Preemption is the process of ending an existing, low er priority call while accepting a higher priority call that is sent to your phone. If you want to... Then... Choose a priority (precedence) level for an outgoing call Contact your sy stem administ rator for a list of ...

  • Cisco 7985G - page 42

    36 78-16798-02 Using a Headset, and Speakerphone The table below describes how to use these devices. If you want to... Then... Use a headset Press (Headset button) to toggle headset mode on and off. (AutoAnswer users should see the “Using AutoAnswer with a Headset or the Speakerph one” section on page 37 for exceptions.) Y ou can use the headse ...

  • Cisco 7985G - page 43

    Using a Headset, an d Speakerphone Cisco Unified IP V ideo Phone 7985G Phone Guide 37 Using AutoAnswer with a Headset or the Speakerphone Y ou might use AutoAnswer if you receive a high volume of incoming calls or hand le calls on behalf of others. AutoAnswer is configured on the Ca llM anager . Y our system administrator configures AutoAnswer to w ...

  • Cisco 7985G - page 44

    38 78-16798-02 Using Phone Settings Y ou can personalize your Cisco Unifie d IP V ideo Phone by adjusting settings, as describ ed in the tables below . Keep in mind a few tips when you review this information: • Most settings are accessible on your phone, bu t a few are accessed online from your User Options web pages. See the “Logging In to th ...

  • Cisco 7985G - page 45

    Using Phone Settin gs Cisco Unified IP V ideo Phone 7985G Phone Guide 39 Customizing Alert Tone Y ou can customize the way that your phone indicates the presence of an incoming ca ll. If you want to... Then... Change the Alert T one Choose Settings > User Preferences > Alert T one and select a phone line or the default ring setting. Choose a ...

  • Cisco 7985G - page 46

    40 78-16798-02 Using Call Logs and Directories This section describes how you can use feature buttons to a ccess call logs and directories. T o access both features, us e the (Directories button). Using Call Logs Y our phone maintains records of your missed, pla ced, and received calls. If you want to... Then... View your call logs Choose (Director ...

  • Cisco 7985G - page 47

    Using Call Logs and Directories Cisco Unified IP V ideo Phone 7985G Phone Guide 41 Dial from a call log (while connected to anothe r call) 1. Choose (Directories button) > Missed Calls , Placed Calls , or Received Cal ls . 2. Highlight a call reco rd from the log. 3. If you need to edit the displayed number , press EditDial followed by << ...

  • Cisco 7985G - page 48

    42 78-16798-02 Using Corporate Directory on Your Phone Depending on configuration, your phone can provid e access to a corporate dire ctory which you can use to place calls to coworkers. Corpora te Directory is set up and maintained by you r system administrator . If you want to... Then... Dial from a corpora te directory (while not on another call ...

  • Cisco 7985G - page 49

    Cisco Unified IP V ideo Phone 7985G Phone Guide 43 Accessing Voice Messages T o acce ss voice messages, use the (Messages button). Note Y our company determines the voice-messaging se rvice that your phone system uses. For the most accurate and detailed information about this service, refer to the documentation that came with your voice message ser ...

  • Cisco 7985G - page 50

    44 78-16798-02 Accessing Your User Options Web Pages Because your Cisco Unified IP Vi deo Phone is a n e twork device, it can shar e information with other network devices in your company , including your computer and web-based se rvices accessible using a web browser on your computer . Y ou can establish phone services, and control settings and fe ...

  • Cisco 7985G - page 51

    Accessing Y our User Opti ons We b Page s Cisco Unified IP V ideo Phone 7985G Phone Guide 45 Subscribing to Phone Services Before you can access subscription phon e services on your phone, you need to su bscribe to them by using your computer to access the User Options web pages. See the “Logging In to the User Options W eb Pages” section on pa ...

  • Cisco 7985G - page 52

    46 78-16798-02 Understanding Additional Configuration Options Y our system administrator can configure your phone to use specific button and softkey templates along with special services and features, if appropria te. The table bel ow provides an overview of some configuration options that you may want to discuss with your phone system administrato ...

  • Cisco 7985G - page 53

    Understanding Additio nal Configuration Options Cisco Unified IP V ideo Phone 7985G Phone Guide 47 Share phones or office space with co-workers Consider using: • Call Park to store and retrieve calls without using the transfer feature • Call Pickup to answer calls ringing on another phone • a shared line to view or join co-workers’ calls ? ...

  • Cisco 7985G - page 54

    48 78-16798-02 Troubleshooting Your Video Phone This section provides troubleshooting information for you r Cisco Unified IP V ideo Phone. General Troubleshooting This section provides information to help you troubleshoot general problems with your v ideo phone. For more information, see your system administrator . Symptom Explanation Y ou cannot h ...

  • Cisco 7985G - page 55

    Cisco Unified IP V ideo Phone 7985G Phone Guide 49 Viewing Phone Administration Data Y our system administrator might ask you to access administration data on your v ideo phone for troubleshooting purposes. If you are asked to... Then... Access network configuration data Choose (settings button) > Network Configuration a nd select the network co ...

  • Cisco 7985G - page 56

    50 78-16798-02 Cisco One-Year Limited Hardware Warranty Terms There are special terms applicable to your hardw are warranty and vari ous services tha t you can use during the warranty period. Y our formal W arranty Statement, including the w arranties and license agreements applicable to Cisc o software, is availabl e on Cisco .com. Follow these st ...

  • Cisco 7985G - page 57

    Cisco One-Y ear Limited Hardware W arranty T erms Cisco Unified IP V ideo Phone 7985G Phone Guide 51 Replacement, Repair, or Refund Policy for Hardware Cisco or its service center will use commercially reaso n able efforts to ship a replacement part within ten (10) working days after receipt of a Return Materials Authorization (RMA) request. Actual ...

  • Cisco 7985G - page 58

    52 78-16798-02 Index A alert tone 39 audio mute Audio mute button 11 using audio mute 23 AutoAnswer 37 B brightness Brightness button 11 monitor brightness 39 C call log s 40 erasing 40 viewing and dialing from 40 call overview 12 calls answerin g calls 21 call ico ns 16 calls compared to lines 15 calls on hold 16 conference calls 26 connected call ...

  • Cisco 7985G - page 59

    53 Confrn 26 D dialing 19 directories Directories button 12 feature menu 14 using directories 40 directory using on phone 40 DirTrfr 24 Display button 10 documentation, accessing 2 duration 12 E external devices 4 F feature buttons 18 feature menu 18 feature, avai lability 14 forwarding calls 25 H handset description 9 mounting the handset bracket ...

  • Cisco 7985G - page 60

    54 78-16798-02 compared to calls 15 description 15 M MCID 34 Meet-Me 28 messages feature menu 14 indicator for 43 listening to 43 Messages button 11 microphone 9 missed calls, records of 40 N Navigation button 11 network cable PC port 6 SW port 6 network configuration data, locating 48 Notification lamp 10 Number buttons 11 O off-hook compared to o ...

  • Cisco 7985G - page 61

    55 LCD monitor 9 screen layout 12 selecting calls 17 selfview displaying outgoing video picture 23 Selfvie w butt on 11 services feature menu 14 Services button 11 settings feature menu 14 phone settings 38 Settings button 12 shared line 31 adding yourself 32 preventing others from joi ning 33 preventing others from vi ewing 33 shared li ne icon 16 ...

  • Cisco 7985G - page 62

    78-16798-02 56 ...

  • Cisco 7985G - page 63

    Cisco Unified IP V ideo Phone 7985G Phone Guide 57 ...

  • Cisco 7985G - page 64

    Corporate Headquarters Cisco Systems, Inc. 170 W est T asman Drive San Jose, CA 95134-1706 USA www .cisco.c om T el: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 European He adquarters Cisco Systems Intern ational BV Haarlerbergpark Haarlerbergweg 13-19 1101 CH Amsterdam The Netherlands www-europe.ci sco.com T el: 31 0 20 357 1000 Fax: 31 0 2 ...

Fabbricante Cisco Categoria IP Phone

I documenti che otteniamo dal fabbricante del dispositivoCisco 7985G possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
- disegni tecnici Cisco
- manuali per l’uso 7985G
- schede prodotto Cisco
- opuscoli
- o etichette energetiche Cisco 7985G
Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Cisco 7985G.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Cisco 7985G, manuali di manutenzione, brevi manuali o manuali utente Cisco 7985G. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Cisco 7985G.

Manuali per l’uso simili

Manuale completo del dispositivo Cisco 7985G, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare Cisco 7985G dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti Cisco 7985G.

Il manuale per l’uso completo Cisco, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale Cisco 7985G - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Cisco 7985G, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per Cisco 7985G che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo Cisco 7985G - che ci dovrebbe aiutare nei primi passi durante l'uso Cisco 7985G
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del Cisco 7985G
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio Cisco 7985G in un dato paese, se il problema non può essere risolto da noi stessi.

Hai una domanda su Cisco 7985G?

Utilizza il modulo sottostante

Se non hai risolto il problema con Cisco 7985G con l'aiuto del manuale che hai trovato, fai una domanda utilizzando il modulo sottostante. Se un utente ha avuto un problema simile con Cisco 7985G è probabile che voglia condividere il modo di risolverlo.

Riscrivi il testo dall’immagine

Commenti (0)