Fritz! Fon c4 Quick guide

411339003
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Configuration
and Operation
FRITZ!Fon C4

FRITZ!Fon C4 2
Table of Contents
Important Instructions . . . . . . . . . . . . . . . . . . . . . 6
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Note for Hearing Aid Users . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Prerequisites for Operating FRITZ!Fon . . . . . . . . . . . . . . . . . 6
2 Starting Operation of the FRITZ!Fon . . . . . . . . . . 10
2.1 Inserting the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Charging the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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 Disturb. . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7 Switching on Hands-Free Calling . . . . . . . . . . . . . . . . . . . . 17

FRITZ!Fon C4 3
3.8 Muting the Microphone. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.9 Locking Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10 Paging a Mislaid FRITZ!Fon . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11 Connecting a Headset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 Entering Telephone Numbers . . . . . . . . . . . . . . . 20
4.1 Assigning Telephone Numbers in the FRITZ!Box . . . . . . . . 20
4.2 Selecting a Telephone Number before a Call . . . . . . . . . . . 21
5 Using the Telephone Book and Call Lists . . . . . . 22
5.1 Setting Up a Telephone Book in 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 for One Call (Case by Case) . . . . . . . . . . . . . . . . . . . . . 33
6.4 Alternating Between Calls. . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.5 Establishing a Three-Party Conference Call . . . . . . . . . . . . 35
6.6 Configuring Call Diversion. . . . . . . . . . . . . . . . . . . . . . . . . . 36

FRITZ!Fon C4 4
7 Switching the Alarm On and Off . . . . . . . . . . . . . 38
7.1 Setting Up the Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.2 Switching the Alarm On and Off . . . . . . . . . . . . . . . . . . . . . 39
8 Configuring the Baby Monitor. . . . . . . . . . . . . . . 40
9 Internet Services . . . . . . . . . . . . . . . . . . . . . . . . . 41
9.1 Receiving and Sending E-mail. . . . . . . . . . . . . . . . . . . . . . . 41
9.2 Receiving RSS Feeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
12.2 Performing a Firmware Update . . . . . . . . . . . . . . . . . . . . . . 57

FRITZ!Fon C4 5
13 Operating Devices in the Home Network . . . . . . 58
13.1 Switching the FRITZ!Box Wireless Network On and Off . . . 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

FRITZ!Fon C4 6
Important Instructions
Safety Instructions
When working with the FRITZ!Fon, follow the instructions below to
protect yourself and the device from damage.
•Never let liquids get inside the FRITZ!Fon. Otherwise, electric
shocks or short circuits may result.
•Protect the FRITZ!Fon 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 supports DECT as your
base station. The latest firmware must be installed on both
devices.

FRITZ!Fon C4 7
FRITZ!Fon C4 at a Glance
FRITZ!Fon MT-D 7
1 FRITZ!Fon C4 at a Glance
FRITZ!Fon C4 is a cordless telephone with which you can make tele-
phone calls on the Internet and the fixed-line network. FRITZ!Fon was
developed especially for the FRITZ!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
•Charging cradle with power supply unit
•Rechargeable battery

FRITZ!Fon MT-D 8
Getting to Know the FRITZ!Fon
FRITZ!Fon C4 8
1.2 Getting to Know the FRITZ!Fon
Speaker
(speaker for
hands-free calling on the reverse)
Display
Display key
changing features, active
feature on display above key
Hang up key
ending calls
switching on/off (press and hold)
canceling functions
Microphone
Display key
as right display key
Control ring
Volume
Call list
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 characters
*key
Do Not Disturb (press and hold)
for text entry: special characters
#key
key lock (press and hold)
for text entry: special characters,
capital letters (press and hold)

FRITZ!Fon C4 9
Icons on the Display
FRITZ!Fon MT-D 9
1.3 Icons on the Display
Symbol Meaning Symbol Meaning
Establishing connection Call in HD
Connection established “DECT Eco” function en-
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

FRITZ!Fon MT-D 10
Starting Operation of the FRITZ!Fon
FRITZ!Fon C4 10
2 Starting Operation of the FRITZ!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.

FRITZ!Fon C4 11
Charging the Battery
FRITZ!Fon MT-D 11
2.2 Charging the Battery
1. Connect the power supply unit to the charging station.
2. Plug the other end into a power 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!”.

FRITZ!Fon MT-D 12
Registering FRITZ!Fon with the Base Station
FRITZ!Fon C4 12
2. Press the “DECT” or “Registration” button on your base sta-
tion. Press and hold the button until FRITZ!Fon requests a PIN
or is successfully registered.
3. If the PIN of the base station is requested, enter the PIN and
press “OK”.
In all FRITZ!Box models the PIN is preset to “0000”.
FRITZ!Fon registering with the base station.
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!Fon requests a PIN
or is successfully registered.
If the PIN of the base station is requested, enter the PIN and
press “OK”.
In your FRITZ!Box, the PIN is preset to “0000”.
FRITZ!Fon is now registered.

FRITZ!Fon C4 13
Registering FRITZ!Fon with the Base Station
FRITZ!Fon MT-D 13
Switching Base Stations
If FRITZ!Fon is registered at multiple base stations, you can switch
base stations as follows:
1. Press the menu 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 base station.

FRITZ!Fon MT-D 14
Navigating in the Menus
FRITZ!Fon C4 14
2.4 Navigating in the Menus
The 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

FRITZ!Fon C4 15
Making Telephone Calls
FRITZ!Fon MT-D 15
3MakingTelephoneCalls
3.1 Function Keys for 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

FRITZ!Fon MT-D 16
Enabling Direct Pickup
FRITZ!Fon C4 16
3.4 Enabling Direct Pickup
If the “Direct pickup” function is enabled, FRITZ!Fon accepts a call im-
mediately as soon as you take FRITZ!Fon out of the charging station.
1. Press the menu key .
2. Select “Settings / OK / Telephony / OK / Pick up directly”.
3. Press the display key “On”.
Direct pickup is enabled.
3.5 Adjusting the Volume
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 key until the symbol “Do
Not Disturb” appears on the display.
To switch the ring tone back on, press the key until the symbol
“Do Not Disturb” disappears from the display.

FRITZ!Fon C4 17
Switching on Hands-Free Calling
FRITZ!Fon MT-D 17
Switching Off Ringer for a Call
Press the and hold it down until the telephone stops ringing.
You can pick up the call now or wait until the caller hangs up. The
next time a call arrives FRITZ!Fon will ring again.
3.7 Switching on Hands-Free Calling
To switch on hands-free calling, press the Hands-Free Calling button
before or during a telephone call.
Press the Hands-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 can only call emergency
numbers.
You can still pick up incoming calls. When the keylock is enabled, you
must press and hold down the hang up button to end a call.
To lock the keys, press the until “Keypad locked” appears on the
display.

FRITZ!Fon MT-D 18
Paging a Mislaid FRITZ!Fon
FRITZ!Fon C4 18
To unlock the keys, press the until “Keypad unlocked” appears
on the display.
Enabling Active Keylock
The active keylock is a setting in the “Settings / Telephony” menu.
This setting determines whether the keys remain locked 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, press any key on the FRITZ!Fon or the
“DECT” or “Find” button on the base station.

FRITZ!Fon C4 19
Connecting a Headset
FRITZ!Fon MT-D 19
3.11 Connecting a Headset
Suitable Headsets
The headset must meet 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.
GroundMicrophone
Left
audio signal
Right
audio signal
GroundMicrophone Audio signal

FRITZ!Fon MT-D 20
Entering Telephone Numbers
FRITZ!Fon C4 20
4 Entering Telephone Numbers
If you have more than one telephone number, you can assign your
FRITZ!Fon telephone numbers for outgoing and incoming calls.
The telephone number for outgoing calls is the one your FRITZ!Fon
uses when you call someone. The telephone numbers for incoming
calls are the ones at which your FRITZ!Fon can be reached.
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 number for outgoing calls and one or more
telephone numbers for incoming calls.
For more information on configuring telephone numbers, click
“Help” in the user interface.
5. Click “OK” to save the settings.