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411339003 

© AVM GmbH

 

· Alt-Moabit 95 · 10559 Berlin · Germany · Tel49 30 39 97 6-0 · [email protected]

avm.de/en

Configuration

and Operation

FRITZ!Fon 

C4

Summary of Contents for Fon c4

Page 1: ...411339003 AVM GmbH Alt Moabit 95 10559 Berlin Germany Telephone 49 30 39 97 6 0 info avm de avm de en Configuration and Operation FRITZ Fon C4 ...

Page 2: ...2 3 Registering FRITZ Fon with the Base Station 11 2 4 Navigating in the Menus 14 1 FRITZ Fon C4 at a Glance 7 1 1 Package Contents 7 1 2 Getting to Know the FRITZ Fon 8 1 3 Icons on the Display 9 3 Making Telephone Calls 15 3 1 Function Keys for Making Telephone Calls 15 3 2 Dialing Numbers 15 3 3 Accepting a Call 15 3 4 Enabling Direct Pickup 16 3 5 Adjusting the Volume 16 3 6 Disabling Do Not D...

Page 3: ...FRITZ Box 22 5 2 Calling a Telephone Number from the Telephone Book 23 5 3 Calling a Telephone Number from the Call List 24 5 4 Changing or Adding a Telephone Number 24 5 5 Searching in the Telephone Book 25 5 6 Saving New Telephone Book Entry 26 5 7 Saving Numbers from the Call List 27 6 Convenience Functions for Telephone Calls 28 6 1 Making Internal Calls 28 6 2 Answering Machine 28 6 3 CLIR fo...

Page 4: ...44 9 3 Listening to Podcasts 45 9 4 Listening to Web Radio 46 10 Opening New Messages 48 11 Configuring FRITZ Fon 49 11 1 Configuring the Start Screen 49 11 2 Configuring Favorites 50 11 3 Settings in the FRITZ Fon Menu 52 11 4 Settings in the FRITZ Box User Interface 54 11 5 DECT Eco Switching Off Radio When Idle 55 12 Updating the Firmware 57 12 1 Preparation Checking the FRITZ Box Firmware 57 1...

Page 5: ... 58 13 2 Switching Smart Home Devices On and Off 58 13 3 Using FRITZ Fon as a Media Player 59 14 Writing Text 60 15 Technical Specifications 62 16 Customer Service 63 16 1 Support from the Support Team 63 16 2 Manufacturer s Warranty 64 Legal Notice 65 Declaration of CE Conformity 66 Disposal Information 67 Index 68 ...

Page 6: ...n from direct sunlight Note for Hearing Aid Users If you wear a hearing aid FRITZ Fon can cause unpleasant noises These are caused by radio signals coupled into the hearing aid Prerequisites for Operating FRITZ Fon You need a DECT base station that is connected with a tele phone line or the Internet If you would like to use all of the functions offered by the FRITZ Fon you need a FRITZ Box that su...

Page 7: ... Box but can be used with other DECT base stations Telephone calls over the Internet can be conducted with FRITZ Fon in HD to enjoy natural sound quality FRITZ Fon supports DECT Eco No Emission If all of the cordless tele phones registered with one FRITZ Box support DECT Eco the FRITZ Box can switch off DECT transmission whenever the telephones are on standby 1 1 Package Contents FRITZ Fon C4 Char...

Page 8: ...st Telephone book internal calls Navigate Hands free calling key Call key accepting calls making calls redialing Notification key flashes for new calls new messages on the answering machine new e mails podcasts RSS new software updates Menu key OK key Port for headset and headphone 0 key rotate display to read e mails RSS messages open Internet services press and hold for text entry spaces special...

Page 9: ... abled in the FRITZ Box Connection cleared Deletes the last entry Incoming call Missed calls new messag es or firmware update avail able Answering machine en abled Microphone off Call diversion active Loudspeaker Handset mut ed Alarm active Headset connected Three party conference call Quality of connection with base station Keypad locked Battery state of charge Do Not Disturb enabled ...

Page 10: ...ITZ Fon 2 1 Inserting the Battery 1 Place a coin in the slot at the bottom of FRITZ Fon Rotate the coin until the battery cap pops open and take off the battery cap 2 Insert the battery The conductors of the battery must be in contact with the conductors in the housing 3 Close the battery compartment ...

Page 11: ...outlet 3 Place the FRITZ Fon in the charging station The battery will be charged 2 3 Registering FRITZ Fon with the Base Station Register your FRITZ Fon with your FRITZ Box or another DECT base sta tion Registering with the Base Station 1 To switch on FRITZ Fon press and hold down the hang up but ton The display shows Press and hold down DECT button on the base station ...

Page 12: ...tion Registering at Multiple Base Stations You can register FRITZ Fon at up to four base stations and change the active base station quickly as needed Here is how to register FRITZ Fon with the second third or fourth base station 1 Press the menu key 2 Select Settings OK Registration OK Register OK 3 Press the DECT or Registration button on your base sta tion Press and hold the button until FRITZ ...

Page 13: ...u key 2 Select Settings OK Registration OK Register OK 3 Select a base station and press OK FRITZ Fon connects to the base station Deregistering from a Base Station If you no longer use one of the base stations deregister FRITZ Fon from that base station 1 Press the menu key 2 Select Settings OK Registration OK Deregister OK 3 Select a base station and press OK FRITZ Fon is deregistered from the b...

Page 14: ... functions of FRITZ Fon are operated using a menu which has a main menu and several submenus With the control ring and the left display key you can navigate up down and back through the menus Select functions using the OK button or the right display key Select OK Up Select OK Back Back Down ...

Page 15: ...Making Telephone Calls 3 2 Dialing Numbers 1 Enter a telephone number 2 Press the call key 3 3 Accepting a Call To pick up a call press one of the following buttons call key display key Pick Up hands free calling key Call list Hang up key Call key Redialing Telephone book Internal calls Hands free calling ...

Page 16: ...olume The volume of a call can be adjusted during calls with the handset and hands free calls Press the top of the control ring to turn up the volume Press the bottom of the control ring to turn down the volume 3 6 Disabling Do Not Disturb You can switch off the ring tone The display of FRITZ Fon continues to indicate incoming calls Switching Off the Ring Tone To switch off the ring tone press the...

Page 17: ...ds free calling key again to return to handset oper ation 3 8 Muting the Microphone You can switch off the microphone of the FRITZ Fon and a connected headset Then the other parties will no longer be able to hear you To mute the microphone press the display key Mute during a call Press the display key Loud to switch the microphone back on 3 9 Locking Keys If you lock the keys of your FRITZ Fon you...

Page 18: ...ked when you pick up a call while the keylock is enabled If you disable active keylock preset you can use FRITZ Fon s keypad for the duration of the call When you enable the active keylock the keypad remains locked 3 10 Paging a Mislaid FRITZ Fon If you have mislaid your FRITZ Fon you can have it ring 1 Press the DECT or the Find button on your base station FRITZ Fon rings 2 To stop the ringing pr...

Page 19: ...t the following specifications Headphone impedance 32 ohms Microphone impedance 800 ohms 2 2 kOhm 3 5 mm jack assignment stereo mono Connecting a Headset Connect the headset to the headset socket The headset is now ready for operation Ground Microphone Left audio signal Right audio signal Ground Microphone Audio signal ...

Page 20: ...ched Telephone numbers are assigned to your FRITZ Fon in the DECT base station 4 1 Assigning Telephone Numbers in the FRITZ Box If your FRITZ Fon is registered to a FRITZ Box assign the numbers as follows 1 Open the user interface of the FRITZ Box in a web browser http fritz box 2 Select DECT Cordless Telephones 3 Click the Edit button to open the settings of your FRITZ Fon 4 Select a telephone nu...

Page 21: ...sed Prerequisites This is how FRITZ Fon must be set up in the FRITZ Box user interface For incoming calls the option React only to the following num bers must be enabled At least one of the numbers enabled for incoming calls cannot be enabled for outgoing calls Selecting a Telephone Number 1 Press the menu key 2 Select Settings OK Telephony OK Number for Outgoing Calls OK 3 Select a telephone numb...

Page 22: ... telephone book on your FRITZ Fon The telephone book must be configured in the FRITZ Box first Setting Up a New Telephone Book You can save up to six different telephone books in the FRITZ Box You can also enable up to six online telephone books in the Internet 1 Open the user interface of the FRITZ Box in a web browser http fritz box 2 Select Telephony Telephone book 3 Click the New telephone boo...

Page 23: ... of the control ring The telephone book is opened 2 Press the display key Options 3 Select Change Phone Book OK 4 Select a telephone book and click OK 5 2 Calling a Telephone Number from the Telephone Book You can make calls from the telephone book 1 Press the bottom of the control ring The telephone book is opened 2 Select an entry 3 Press the call key or Press OK select Dial and select a telepho...

Page 24: ...st 2 Select an entry 3 Press the call key The call will be connected 5 4 Changing or Adding a Telephone Number Telephone numbers from the telephone book and the call list can be changed or extended before dialing For example you can add an ex tension 1 Press the bottom of the control ring to open the telephone book or Press the key and select a call list or Press the call key to open the redial li...

Page 25: ...s the call button The call will be connected 5 5 Searching in the Telephone Book Finding and Calling a Telephone Number 1 Press the bottom of the control ring The telephone book is opened 2 Enter one or more starting letters of the name to search for The marking in the telephone book jumps to this letter For more on entering letters see the section Writing Text from page 60 3 Press the call key or...

Page 26: ...user interface of the FRITZ Box in a web browser http fritz box 2 Select Telephony Telephony Devices 3 Click the Edit button to open the settings of your FRITZ Fon 4 Switch to the Telephony Device Features tab For more information on enabling the simplified telephone book search see the Help on the user interface 5 6 Saving New Telephone Book Entry 1 Press the bottom of the control ring The teleph...

Page 27: ...aved to the telephone book 1 Press the and select a call list 2 Select a telephone number 3 Press the display key Options and select Copy 4 Select New Entry OK 5 Enter a name 6 Select Home Office or Mobile 7 Press the display key Paste The telephone number from the call list is added 8 Press the display key Save The new telephone book entry is saved ...

Page 28: ...DECT base stations from other manufacturers In this case however FRITZ Fon cannot provide any additional functions that are not supported by the base station 6 1 Making Internal Calls If other telephones are connected with the base station of your FRITZ Fon you can make free internal calls 1 Press the left of the control ring 2 Select a telephone 3 Press the call key The call will be connected 6 2...

Page 29: ...ers cannot leave you any messages 5 Enter a name for the answering machine and confirm by click ing Next 6 Select one or multiple telephone numbers that you assigned for incoming calls to your FRITZ Fon as well 7 Click Next and Apply The answering machine has been configured Switching the Answering Machine On and Off 1 Press the menu key 2 Select Answering machine OK 3 Press the display key Option...

Page 30: ...ating mode With recording you select Start greeting and press OK Record OK In the operating mode Greeting only you select Record OK 6 Speak the entire greeting and confirm that you have finished by clicking OK 7 Select Play OK to check your recording 8 Select Ring delay OK 9 Specify how many seconds should lapse before the call is picked up and press OK 10 Select Activate OK Private greeting OK 11...

Page 31: ...e list To listen again to messages you have already heard select Call list OK Messages OK in the menu Deleting Messages 1 Press and hold the 2 Select a message and then press OK 3 Select Delete OK The message will be deleted With the option Delete all old you can delete all messages that have been listened to already Picking Up a Call from the Answering Machine You can pick up calls that the answe...

Page 32: ...ephones 3 Click the Edit button for FRITZ Fon 4 On the Telephony Device Features tab enable the Listen in on the answering machine setting 5 Click OK Answering Machine Voice Menu The answering machine can also be operated via a voice controlled menu that takes you step by step through the settings and functions 1 Press the left of the control ring 2 Select an answering machine 3 Press the call key...

Page 33: ...ine Identification Restriction 1 Press the display key Favorites and select Anonymous call OK or Press the menu key and select Settings OK Telephony OK Anonymous call OK 2 Press the display key On The Next call setting is enabled 3 Press the hang up menu key Your telephone number will be suppressed for the next outgoing call If you would like to suppress your number permanently enable CLIR in the ...

Page 34: ... consultation The first call is on hold 3 Make the second call Press the telephone book key select an entry and press OK or Enter an external telephone number or Press the left of the control ring select a telephone and press OK 4 Once the second call is connected you can alternate Press the display key Options and select Alternate OK You are connected to the first party again Using Options Altern...

Page 35: ...party can participate in the three party conference call 1 Make a call or pick up a call 2 Press the display key R consultation The first call is on hold 3 Make the second call Press the telephone book key select an entry and press OK or Enter an external telephone number or Press the left of the control ring select a telephone and press OK 4 Once the second call has been connected press the Optio...

Page 36: ...aller does not transmit a telephone number The following destinations can be defined for call diversion a different telephone connected to the FRITZ Box an external telephone number an answering machine set up in the FRITZ Box Configuring Call Diversion in the FRITZ Box 1 Open the user interface of the FRITZ Box in a web browser http fritz box 2 Select Telephony Call Handling Call Diversion 3 Clic...

Page 37: ...iversion On and Off A call diversion setting configured for FRITZ Fon can be switched on and off on the FRITZ Fon 1 Press the menu key 2 Select Supplementary services OK Call diversion OK 3 Select a call diversion setting 4 Press the display key On or Off 5 Press the hang up key ...

Page 38: ... an alarm 4 Press the display key Options 5 In the New alarm time menu set the time for the alarm to ring and press OK 6 Select your FRITZ Fon in the Telephone menu and press OK 7 From the Interval menu select none or one or more week days Press OK 8 Select a ring tone from the Alarm tone menu and press OK If web radio stations are configured in the FRITZ Box you can select a radio station as an a...

Page 39: ...nd Off FRITZ Fon MT D 39 7 2 Switching the Alarm On and Off 1 Press the menu key 2 Select Supplementary services OK Alarm OK 3 Select an alarm 4 Press the display key Options 5 Select Alarm on OK or Alarm off OK The alarm is turned on or off ...

Page 40: ... or Delete all of the numerals already entered Press the display key Options and select Telephone book OK Select a tele phone book entry and press OK or Delete all of the numerals already entered Press the display key Options and select Internal call OK Select a tele phone and then press OK 4 Select Activation OK 5 Press Options select a sensitivity level and press OK The higher the sensitivity th...

Page 41: ...s for this purpose If you have more than one FRITZ Fon cordless telephones you can use different e mail accounts on the different cordless telephones Setting Up an E mail Account Set up the e mail accounts you would like to use with FRITZ Fon in the FRITZ Box 1 Open the user interface of the FRITZ Box in a web browser http fritz box 2 Select DECT Internet Services E mail 3 Click the New E mail Acc...

Page 42: ...ress OK 4 Select an e mail and press OK The e mail appears on the display Navigating in E mail With the control ring you can navigate up and down in an e mail mes sage and skip to the next or the previous e mail With the OK key you can page forward and skip to the next e mail Rotate Display With the key you can rotate the display Press once to rotate the display by 90 Press twice to rotate the dis...

Page 43: ...nd press OK 4 Press the display key Options or New 5 Select New e mail OK 6 Write the subject line and the text For more on writing text read page 60 7 Press the display key Options 8 Select a recipient from the telephone book and press OK or Select Send to mailing list and enter one or more e mail ad dresses Press the display key and select Send OK Use a comma to separate the individual addresses...

Page 44: ... you would like to receive with FRITZ Fon in the FRITZ Box 1 Open the user interface of the FRITZ Box in a web browser http fritz box 2 Select DECT Internet Services RSS Feeds 3 Select a preset RSS feed from the drop down list or select Other RSS feed and configure a new RSS feed The Help of the FRITZ Box user interface presents comprehensive in formation on all of the settings for RSS feeds Readi...

Page 45: ...Rotate Display With the key you can rotate the display Press once to rotate the display by 90 Press twice to rotate the display by 270 Press three times to reset the display 9 3 Listening to Podcasts With FRITZ Fon you can listen to podcasts Addresses of podcasts are listed for instance at www ipodder org directory 4 podcasts Setting Up a Podcast Configure the podcasts you would like to listen to ...

Page 46: ... Press and hold the key The Internet services menu is opened 2 Select Podcasts OK 3 If more than one podcast is configured select a podcast and press OK 4 Select an entry and then press OK The entry will be played back Press the top of the control ring to turn the volume up or down 9 4 Listening to Web Radio With FRITZ Fon you can listen to web radio also called Internet ra dio Many web radio stat...

Page 47: ...radio sta tion or select Another Web Radio Station and set up a new radio station The radio station must use the pls m3u or mp3 format The Help of the FRITZ Box user interface presents comprehensive in formation on all of the settings for web radio stations Playing a Web Radio Station 1 Press and hold the key The Internet services menu is opened 2 Select Web radio OK 3 If more than one radio stati...

Page 48: ...ed calls new firmware updates new messages on the answering machine new e mail podcasts and RSS feeds Here is how to open new messages 1 Press 2 If different kinds of messages have arrived for instance Missed calls and E mail select one kind of message and press OK 3 Select a message and then press OK New messages are black messages that have already been read are gray The message appears on the d...

Page 49: ...y OK Start screen OK 3 Select a start screen and press OK Assigning a Background Image If you selected the Background image start screen you can assign a picture 1 Open the user interface of the FRITZ Box in a web browser http fritz box 2 Select DECT Cordless Telephones 3 Open the settings of your FRITZ Fon and switch to the Tele phony Device Features tab 4 Click Assign background image and Browse...

Page 50: ...ect an event by pressing the top or the bottom of the control ring 3 Press OK 11 2 Configuring Favorites The favorites on the start screen provide for fast access to frequently used menus and contents for instance web radio stations Adding Favorites 1 Press the display key Favorites 2 Select New favorite OK 3 Press the display key Continue 4 Navigate to the desired menu item 5 Press the display ke...

Page 51: ...s the display key Favorites 2 Select a favorite 3 Press the display key Options 4 Select Move OK 5 Press on the top or the bottom of the control ring un til the favorite has the desired position in the list Deleting Favorites 1 Press the display key Favorites 2 Select a favorite 3 Press the display key Options 4 Select Delete OK ...

Page 52: ...can switch on and off the tones that signal a key click the arrival of new messages and the handset exiting the transmission range of the DECT base station The Signal tones option contains the warning signal when the battery is low and the signal when the handset is placed in the charging station Configuring a headset See Connecting a Headset on page 19 Display Settings The Settings Display menu c...

Page 53: ...ck up directly See Enabling Direct Pickup on page 16 Active keylock See Enabling Active Keylock on page 18 Secure When Secure is enabled FRITZ Fon establishes only encrypted DECT connections This option must be disabled for operation with a DECT repeater that does not support any en crypted connections Resetting You can restore FRITZ Fon to its factory settings Settings you have configured will be...

Page 54: ...r http fritz box 2 Select DECT Cordless Telephones 3 Click the Edit button to open the settings of your FRITZ Fon 4 Configure the desired settings For more information on these settings see the Help on the user interface 5 Then click the OK button to save your settings You can configure the following settings Telephone number for outgoing calls The telephone number FRITZ Fon uses to place outgoing...

Page 55: ...f Radio When Idle Your FRITZ Fon supports DECT Eco No Emission Thanks to DECT Eco the FRITZ Box can switch off DECT transmission whenever all cordless telephones are on standby The connection between the FRITZ Box and the telephones remains active however You can place and accept calls at any time Prerequisite for Using DECT Eco DECT Eco can be used only if all of the cordless telephones registere...

Page 56: ... When Idle FRITZ Fon C4 56 3 Enable the DECT Eco option and define when DECT Eco should be active 4 Click the Apply button to save the settings 5 Register your FRITZ Fon and all of the cordless telephones on the FRITZ Box again DECT Eco is enabled ...

Page 57: ...ss the menu key 2 Select Home Network OK FRITZ Box version OK 3 Press the display key Check 4 If The latest firmware is not installed message appears on the display update the firmware of the FRITZ Box Open the user interface of the FRITZ Box in a web browser http fritz box and start the Update Wizard 12 2 Performing a Firmware Update 1 Press the menu key 2 Select Settings OK Firmware update OK 3 ...

Page 58: ...ct Home Network OK WLAN OK 3 Press the display key On or Off The wireless LAN function of the FRITZ Box is switched on or off If you configured wireless LAN guest access in the user interface of the FRITZ Box you can also switch this guest access on and off with the FRITZ Fon 13 2 Switching Smart Home Devices On and Off If you use smart home devices from AVM you can switch the outlets on the devic...

Page 59: ...e FRITZ Fon to remote control music playback on other UPnP compatible devices in the home network 1 Press the menu key 2 Select Home Network OK Media Player OK 3 Select a media server 4 Press the display key Options 5 To view the contents of the media server select Open folder OK To start music playback with FRITZ Fon select Play folder OK or Play title OK To play the music on another UPnP compati...

Page 60: ...ey and the key are assigned to the following letters numerals and characters 1 x press once 2 x press twice and so on Key 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 x 11 x 12 x 13 x 1 Space 1 2 A a B b C c 2 Ä ä Á á À à Â â Ã ã Ç ç Ææ å 3 D d E e F f 3 Ë ë É é È è Ê ê 4 G g H h I i 4 Ï ï Í í Ì ì Î î 5 J j K k L l 5 6 M m N n O o 6 Ö ö Ñ ñ Ó ó Ò ò Õ õ Ô ô Ø ø 7 P p Q q R r S s 7 ß 8 T t U u V v 8 Ü ü Ú...

Page 61: ...rol ring When you hold the key down the cursor jumps one word ahead To move the cursor backward press the left side of the control ring When you hold the key down the cursor jumps one word back To move a line upward press the top of the control ring To move a line downward press the bottom of the control ring Deleting Text To delete text to the left of the cursor press the display key Text Entry M...

Page 62: ... On off switch using the hang up key Loudspeaker microphone Dimensions W x D x H approx 48 x 145 x 18 mm Weight 106 g Supply voltage of the charging station 230 V 50 Hz 1 rechargeable battery pack 750 mAh 3 7 V with deep dis charge protection Charge time for loading in charging station about 6 hours at 10 C to 30 C Ambient conditions Operating temperature 0 C 3 C stor age temperature 20 C 45 C rel...

Page 63: ...ceive a selec tion of FAQs If you require additional help on a technical problem click Contact Support Fill out the support form and send it to us Our Support team will respond by e mail as quickly as possible If you cannot send us any support request by e mail you can also reach our Support desk by fax Customers from Germany 030 390 04 390 Customers from Austria 0043 1 267 56 02 Customers from Sw...

Page 64: ...stallation improper use non observance of instructions in the user manual normal wear and tear or defects in the environment of the system third party hardware or software We may at our discretion repair or replace the defective product Claims other than the right to the removal of defects which is mentioned in these terms of warranty are not constituted We guarantee that the software conforms wit...

Page 65: ...gard to hazards and impairments of quality which may arise in connection with the use of this product AVM will not be liable for damages arising directly or indirectly from the use of the manual or the software nor for incidental or consequential damages except in case of intent or gross negligence AVM expressly disclaims all liability for the loss of or damage to hardware or software or data as a...

Page 66: ...Fon C4 66 Declaration of CE Conformity AVM declares herewith that the device is compliant with the basic re quirements and the relevant rules in directives 2014 53 EU 2009 125 EC and 2011 65 EU The declaration of CE conformity is available at en avm de ce ...

Page 67: ...f FRITZ Fon C4 and all electronic compo nents and devices included with delivery at a collection point in your local community for the disposal of electric and electronic applianc es The FRITZ Fon C4 contains a rechargeable battery This battery too may not be disposed with household waste Please bring the dis charged batteries to a local or retail collection point Symbol for the separate collectio...

Page 68: ...ll diversion 36 call list dialing from 24 calling 15 calls accepting 16 capital letters 8 CE conformity declaration 66 charging 11 CLIR 33 condition upon delivery 53 consultation 34 contacts saving 26 convenience functions 28 copyright 65 customer service 63 D declaration of CE conformity 66 DECT base station 11 DECT Eco 55 deregistering from DECT base station 13 dialing 15 from call list 24 from ...

Page 69: ...ee calling 17 headphones 19 headset 19 I icons on the display 9 imprint 65 internal calls 28 Internet radio 46 Internet services e mail 41 podcasts 45 RSS feeds 44 K keys assignment 60 locking 17 overview 8 L legal notice 65 M making calls 15 manufacturer s warranty 64 media player 59 menu 14 microphone off 17 muting 17 N navigating 14 14 notice legal 65 numbers 20 O opening messages 48 operating ...

Page 70: ...speaker phone 17 special characters 8 start screen 49 support 63 switching off ringing 16 switching smart home devices 58 switching wireless LAN on and off 58 switching outlet on and off 58 T telephone book finding entry 25 new entry 26 selecting a telephone number 23 setting up 22 telephone number dialing 15 suppressing 33 telephone numbers 20 three party conference call 35 V volume 16 52 W warra...

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