Gigaset COMFORT 552 Manual
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COMFORT 552
COMFORT 552 A
COMFORT 552 H
You can find the most up-to-date
user guide at
www.gigaset.com/manuals

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Questions and answers

Gayl
January 16, 2025

How do I put someone on hold and then get them back

1 comments:
Mr. Anderson
February 3, 2025

To put someone on hold and retrieve them on the Gigaset COMFORT 552:

1. Put on Hold: During an active call, the call is automatically placed on hold when you start a second call or press the appropriate hold option.
2. Retrieve: To retrieve the first caller, end the second call or press the "End call" key. The connection to the first caller will be reactivated.

This answer is automatically generated

Gayle
January 16, 2025

How do I switch calls without hanging up

1 comments:
Mr. Anderson
February 3, 2025

To switch calls on the Gigaset COMFORT 552 without hanging up:

1. Call an external participant.
2. Initiate an internal consultation call or transfer:
- Use the internal call function to connect with another internal handset registered to the same base station.
3. Conduct the consultation or transfer the call to the internal participant while keeping the external call active.

This allows you to switch between the calls without disconnecting.

This answer is automatically generated

Summary of Contents for Gigaset COMFORT 552

  • Page 1 COMFORT 552 COMFORT 552 A COMFORT 552 H You can find the most up-to-date user guide at www.gigaset.com/manuals...
  • Page 2: Table Of Contents

    Contents Contents Overview ................4 Handset .
  • Page 3 Contents Appendix ................61 Questions and answers .
  • Page 4: Overview

    Overview Overview Handset If multiple functions are listed, the button function depends on the 1 Display situation. 2 Status bar ( p. 74) Subject to technical and visual modifications as part of the product Icons display current settings and operating improvement process.
  • Page 5: Base Without Answer Machine

    Base without answer machine Base without answer machine A Registration/paging key Locate a handset (paging): Press briefly Register handsets and other DECT devices: Press and hold The colour and shape of your device may be different from the illustration. Base with answer machine A Display Lights up: The answer machine is switched on.
  • Page 6: Illustration In The User Guide

    Illustration in the user guide Illustration in the user guide Warnings, which if not heeded, can result in injury to persons or damage to devices. Important information regarding function and appropriate handling or functions that could generate costs. Prerequisite for being able to carry out the following action. Additional helpful information.
  • Page 7: Safety Precautions

    If you use a medical device (e.g., a pacemaker), please contact the device manufacturer. They will be able to advise you regarding the susceptibility of the device to external sources of high frequency energy (for the specifications of your Gigaset product see "Technical data").
  • Page 8: Getting Started

    Getting started Getting started Contents of the package • One base station, one power adapter for the base station, one phone cable, • One handset, one battery cover, two batteries, one belt clip, instructions Models with multiple handsets, per handset: •...
  • Page 9: Handset

    Handset Handset Connecting the charging cradle (if included in the delivery) Connect the flat plug of the power adapter Plug the mains unit into your power socket To remove the plug from the charging cradle again: Disconnect the power adapter from the mains power supply.
  • Page 10 Handset Attaching the belt clip The handset has notches on each side for attaching the belt clip. • Attaching the belt clip: Press the belt clip onto the back of the handset so that the tabs on the belt clip click into place in the notches.
  • Page 11 Handset Setting the date and time Set the date/time so that the correct date and time can be assigned to incoming calls and to enable the alarm to be used. Press the display key Time Calls Time or, if the date and time have already been set: Settings Date/Time The active input position flashes.
  • Page 12: Using The Telephone

    Getting to know your telephone Using the telephone Getting to know your telephone Switch the handset on/off Switching on: When the handset is switched off, press and hold the End call key Switch off: When the handset is in idle status, press and hold the End call key When you place a switched off handset into the base or charging cradle, it switches itself on automatically.
  • Page 13 Getting to know your telephone During a conversation Open the directory Open the list of available online directories Press and hold Mute the microphone Initiate an internal consultation call Adjust the loudspeaker volume for receiver and handsfree mode Display keys The display keys perform a range of functions depending on the operating situation.
  • Page 14 Getting to know your telephone Main menu In idle status: Press the centre of the control key Example select a submenu Settings The main menu functions are shown in the display as icons. The icon for the selected function is highlighted in colour and the name of the associated function appears in the display header.
  • Page 15 Getting to know your telephone Entering text Input position select an entry field. A field is activated when the cursor is blinking inside it. move the position of the cursor. Correcting incorrect entries Delete characters to the left of the cursor: Press briefly Delete words to the left of the cursor: Press and hold...
  • Page 16: Making Calls

    Making calls Making calls Making calls enter the number briefly press the Talk key Press and hold the Talk key enter the number Cancel dialling: Press the End call key Information for Calling Line Identification: p. 21 If the display backlight is deactivated, you can reactivate it by pressing any key. Digit keys that are pressed appear in the display for pre-dialling, other keys have no further function.
  • Page 17 Making calls Managing entries in the redial list Press the display key . . . the redial list is opened select an entry Options . . . possible options: Copy an entry to the directory: Copy to Directory Copy the number to the display: Display Number Use as required to change or...
  • Page 18 Making calls Incoming calls An incoming call is indicated by ringing, by a display on the screen and by the flashing Talk / Handsfree key ( Accept a call: • Press the Talk key • If Auto Answer is activated: Remove the handset from the charging cradle •...
  • Page 19 Making calls Internal consultation call/Internal transfer Call an external participant and transfer the call to an internal participant or hold a consultation call with him or her..the list of handsets is opened select a handset or Call All OK .
  • Page 20 Making calls During a conversation Handsfree mode Activating/deactivating handsfree mode during a call, when establishing a connection and when listening to the answer machine (where the system has a local answer machine): Press the handsfree key Placing the handset in the charging cradle during a call: Press and hold down the handsfree key Place the handset in the charging cradle hold...
  • Page 21: Provider-Specific Functions (Network Services)

    Provider-specific functions (network services) Provider-specific functions (network services) Network services depend on the network (analogue fixed line network or IP telephony) and on the network provider (service provider) and must be requested from that provider if required. You will find a description of the features on your network provider's website or at one of their store branches.
  • Page 22 Provider-specific functions (network services) Calling Line Identification for outgoing calls Switching Calling Line Identification on/off for all calls These settings apply to all registered handsets. Select Services All Calls Anony. Change ( = activated) Deactivating Calling Line Identification for the next call Select Services Nxt Call Anonymous enter the...
  • Page 23 Provider-specific functions (network services) Ringback If busy/no answer If a call recipient is unavailable, you can initiate a ringback. • If busy: The ringback takes place as soon as the participant in question terminates the current call. • If no answer: The ringback takes place as soon as the participant in question has made another call.
  • Page 24 Provider-specific functions (network services) Calls with three participants Consultation calls Make another external call during an external call. The first call is Consultation placed on hold. Ext. Call to enter the number of the second participant . . . the active call is placed on hold and the second participant is called Call to: If the second participant does not answer:...
  • Page 25: Call Lists

    Call lists Call lists The telephone saves different types of calls (missed, accepted and outgoing calls) in lists. List entry The following information is displayed in the list entries:: Example • The list type (in the header) All Calls • Icon for the type of entry: Frank Missed Calls...
  • Page 26: Message Lists

    Message lists Message lists Notifications about missed calls, messages on the answering machine/network mailbox and missed alarms are saved in the messages list and can be shown on the handset display. As soon as a new message arrives, an advisory tone will sound. The Message key also flashes (if activated).
  • Page 27 Message lists Activating/deactivating Message key flashing Receipt of new messages is displayed by a flashing message key on the handset. This type of alert can be activated/deactivated for each message type. In idle status: Press keys . . . the number 9 System appears in the display to select the message type:...
  • Page 28: Directory

    Directory Directory The local directory is unique to the handset. However, it is possible to send entries to other handsets. Opening the directory Briefly press in idle status Directory entries Number of entries: up to 200 Information: First name and surname, up to three telephone numbers, anniversary with alert, VIP ringtone with VIP icon Length of the entries: Numbers: max.
  • Page 29 Directory Searching for/selecting a directory entry browse searched names enter initial letters (max. 8 letters) . . . the display jumps to the first name starting with these initial letters continue browsing to the desired entry, if needed Scroll through directory: Press and hold Displaying/changing an entry select entry...
  • Page 30 Directory Displaying the number of entries available in the directory Options Available Memory Copying number to the directory Copy numbers to the directory: • From a list e.g. the call list or the redial list • When dialling a number The number is displayed or highlighted.
  • Page 31 Directory Copying individual entries select the desired entry Options Copy Entry to Internal select the receiving handset OK . . . the entry is copied Copy the next entry after successful transfer: Press Yes or No Copying the entire directory Options Copy All to Internal...
  • Page 32: Answer Machine

    Local answer machine (if available) Answer machine Local answer machine (if available) Switching the answer machine on/off The answer machine can be set to the following modes: Answer & Record The caller hears an announcement and is able to leave a message. Answer only The caller hears an announcement but cannot leave a message.
  • Page 33 Local answer machine (if available) Actions during playback • Stop playback: Press or use the display key: Options • Continue playback: Press again or use the display key: Continue • Go to the start of the current message: Press key •...
  • Page 34 Local answer machine (if available) Activating/deactivating call screening During recording of a message you can screen a call via the handset loudspeaker: Permanently switching call screening on/off: Voice Mail Call Screening Change ( = activated) . . . call screening is switched on/off for all registered handsets Switching off call screening for the current recording: Press the display key Silence or the End call key Pick up call using...
  • Page 35 Local answer machine (if available) Checking the answer machine The answer machine is activated. Call the telephone connection during the announcement press key . . . playback of the announcement is interrupted Enter system PIN You are informed whether any new messages have been recorded. Message playback begins. The answer machine is operated using the following keys: During the time stamp playback: Skip to previous message.
  • Page 36 Local answer machine (if available) Complete the recording and save: End . . . the announcement is played back for you to check Repeat the recording: Cancel the recording: Press the End call key or Back Resume the recording: Recording ends automatically if the maximum recording time of 170 seconds is exceeded or there is a break in speech for more than 2 seconds.
  • Page 37 Local answer machine (if available) Setting recording parameters Voice Mail Recordings OK . . . then Maximum recording time: Length: use to select timeframe Recording quality: Quality to switch between Long Play and Excellent (at higher quality, the max. recording time will decrease) When should a call be picked up: Ring Delay to select a time...
  • Page 38: Network Mailbox

    Network mailbox Network mailbox Enter number Voice Mail Network Mailbox enter or amend the network mailbox number Save To activate/deactivate the network mailbox use the phone number and a function code of your network provider. Please contact the network provider if you require any further information.
  • Page 39: Set Fast Access For The Answer Machine

    Set fast access for the answer machine Set fast access for the answer machine It is possible to call a network mailbox or the telephone's local answer machine directly by pressing key For systems without a local answer machine, the network mailbox is automatically connected with key Assigning key 1 / Changing assignment Settings for the fast access are device-specific.
  • Page 40: Additional Functions

    Calendar Additional functions Calendar You can remind yourself of up to 30 appointments. June 2022 In the calendar, the current day is outlined in white; on days with appointments, the numbers are displayed in colour. When a day Mo Tu We Th Fr Sa Su is selected, it will be outlined in colour.
  • Page 41 Calendar Displaying missed appointments/anniversaries The following appointments and anniversaries are saved in the Missed Alarms list: • The appointment/anniversary call was not acknowledged. • The appointment/anniversary was notified during a phone call. • The handset was switched off at the time of the appointment/anniversary. The last 10 entries are stored.
  • Page 42: Timer

    Timer Timer Setting the timer (countdown) Additional Features Time OK . . . then Enable/disable: Activation: select On or Off Set the duration: Duration to enter the hours and minutes for the timer Min.: 00:01 (one minute); Max.: 23:59 (23 hours, 59 minutes) Save the timer: Save The timer starts the countdown.
  • Page 43: Baby Monitor

    Baby monitor Alarm An alarm is shown on the display and indicated by the selected ringtone melody. The alarm sounds for 60 seconds. If no key is pressed, the alarm is repeated after 5 minutes. After the second repetition, the alarm call is deactivated for 24 hours. During a call, the alarm is only indicated by a short tone.
  • Page 44 Baby monitor Activating and setting the baby monitor Baby Phone activated Additional Features Baby Phone OK . . . then Switch on/off: 07:15 Activation: select On or Off Oct 14 INT 1 Enter destination: Alarm to select External or Internal External: Number select number or select a...
  • Page 45: Eco Dect

    ECO DECT ECO DECT The device range is set to maximum as default. This guarantees the best connection between the handset and the base station. In idle status, the handset will not function (as it is not transmitting). Only the base station will maintain contact with the handset via a low wireless signal.
  • Page 46: Protection Against Unwanted Calls

    Protection against unwanted calls Protection against unwanted calls Time control for external calls Date and time have been set. Enter a time period during which the handset should suspend Example ringing to indicate external calls e.g. during the night. Time Control Settings Audio Settings For External Calls:...
  • Page 47 Protection against unwanted calls For all handsets Settings Telephony Anonymous Calls Edit = activated) select Protection Mode: No Protection Anonymous calls are indicated in the same way as identified numbers. Silent Call The telephone will not ring and the incoming call will only appear in the display.
  • Page 48 Protection against unwanted calls Displaying/editing the black list Settings Telephony Blocklist Blocked Numbers OK . . . the list of blocked numbers is displayed . . . possible options: First entry: enter the number Save Another entry: Options New Entry enter the number Save Blocking a number range:...
  • Page 49 Protection against unwanted calls Dynamic black list A spam number is not usually active for a long time. New call numbers are generated continually for the same cold calls. However, the number of black list entries is limited by the storage space. The black list is managed as a dynamic list.
  • Page 50: Expanding The Functionality Of The Telephone

    De-register a handset that is no longer required and repeat the registration procedure Some Gigaset bases and bases/routers from third party manufacturers might not be fully compatible with the handset and not all functions are displayed correctly. In such cases, use menu entry Basic Registration. This guarantees correct displays on...
  • Page 51 Multiple handsets Registering a handset to multiple base stations Your handset can be registered to up to four base stations. The active base station is the base station to which the handset was last registered. The other base stations remain saved in the list of available base stations.
  • Page 52: Operation With A Pabx

    Operation with a PABX Changing the handset name and internal number When registering multiple handsets, they will automatically be assigned the names INT 1, INT 2 etc. Each handset will automatically be assigned the lowest unassigned internal number. The internal number is shown as the name of the handset on the display e.g. INT 2. You can change the names and the numbers of handsets.
  • Page 53: Adjusting The Telephone Settings

    Handset Adjusting the telephone settings Handset Changing the language Settings Language select language Select ( = selected) If the handset has been set to an incomprehensible language: Press the keys slowly one after the other select the correct language press the right display key Display Screensaver A digital or analogue clock can be selected to be displayed as a screensaver when in idle status.
  • Page 54 Handset Colour scheme You can choose from a range of colour combinations for the display. Settings Display Color Schemes select the desired colour scheme Select ( = selected) Display backlight The display backlight always illuminates when the handset is taken out of the base station/ charging cradle or when a key is pressed.
  • Page 55 Handset Earpiece and handsfree profile Select a profile for the earpiece and handsfree mode in order to adapt the telephone as much as possible to the surroundings. Check which is the most comfortable profile for you and your caller. Settings Audio Settings Acoustic Profiles Earpiece Profiles / Handsfree Profiles...
  • Page 56 Handset Switching the alert tone (beep) on/off Switch on an alert tone (beep) instead of the ringtone: Press and hold the star key Press Beep within 3 seconds . . . the following icon appears in the status bar Switching off the alert tone: Press and hold the star key Switching advisory tones on/off The handset notifies acoustically about different activities and statuses.
  • Page 57 Handset Fast access to numbers and functions Assigning a number to digit keys (quick dial) It is possible to assign a number from the directory to the keys A number has not been assigned to the digit key. Press and hold the digit key Briefly press the digit key Press the display key QuickDial The directory opens.
  • Page 58 Handset Testing DECT encryption When this function is enabled, the handset tests whether the DECT connection to the base is secure, i.e. is encrypted. If not, a message is shown on the display. Settings System Security Check Change ( = enabled) If, on the base, encryption is disabled at a later time whilst the secure connection test is enabled, Please read security info is shown on the handset.
  • Page 59: System

    System System Date and time To ensure you have the correct time for incoming calls and to use the alarm clock and calendar, for example, the date and time must be set. If the date and time have not yet been set on the handset, the display key Time appears. Press the display key Time Settings Date/Time...
  • Page 60 System Activating/deactivating music on hold Settings Audio Settings Music on Hold Change ( = activated) Setting the base ringtone Settings Audio Settings Ringtones (Base) . . . then Set the volume: Volume: use to set the volume at 5 levels or set a crescendo (rising volume).
  • Page 61: Appendix

    Questions and answers Appendix Questions and answers Possible solutions are available online at www.gigaset.com/service Troubleshooting The display is blank. • The handset is not activated. Press and hold • The battery is empty. Charge the battery or replace it "No Base" flashes on the display.
  • Page 62 Questions and answers The caller's number is not displayed. • Calling Line Identification (CLI) is not enabled for the caller. The caller should ask the network provider to enable Calling Line Identification (CLI). • Calling Line Identification Presentation (CLIP) is not supported or enabled by the network provider. Ask the network provider to enable Caller Line Identification Presentation (CLIP).
  • Page 63: Innovation, Science And Economic Development Canada - Certification

    Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. FCC / ACTA Information Warning: Changes or modifications to this unit not expressly approved by Gigaset Communications USA LLC could void the FCC authority to operate the equipment. This includes the addition of any external antenna device.
  • Page 64 FCC / ACTA Information If this equipment causes harm to the telephone network, the telephone company will notify you in advance, that temporary discontinuance of service may be required. But if advance notice isn’t practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary.
  • Page 65: Safety Precautions

    Safety precautions Notice to telephone company service: If you need service from your telephone company, please provide them with the information • Facility interface Code (FIC) • Service Order Code (SOC) • Universal Service Order Code (USOC) as indicated on the label on the bottom side of the base station. Safety precautions Before using your telephone equipment, basic safety instructions should always be followed to reduce the risk of fire, electric shock and injury to persons.
  • Page 66: Service (Customer Care)

    (collectively, "Product") provided by Gigaset Communications USA LLC or Gigaset Communications Canada Inc. (collectively "Gigaset NAM"). Gigaset NAM warrants to you that at the date of purchase, the Product is free of defects in workmanship and materials and the software included in the Product will perform in substantial compliance to its program specifications.
  • Page 67 God, riots, acts of terrorism, spills of food or liquids, viruses or other software flaws introduced into the Product or other acts which are not the fault of Gigaset NAM and which the Product is not specified to tolerate, including damage caused by mishandling or blown fuses.
  • Page 68 EVENT OF THE FAULT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY, BREACH OF CONTRACT OR BREACH OF WARRANTY OF GIGASET NAM OR SELLER OR ANY SUPPLIER, AND EVEN IF GIGASET NAM OR SELLER OR ANY SUPPLIER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. REPAIR OR REPLACEMENT, AS PROVIDED UNDER THE WARRANTY, IS YOUR SOLE AND EXCLUSIVE REMEDY FOR BREACH OF THE LIMITED WARRANTY.
  • Page 69: Manufacturer's Advice

    Ontario and the federal laws of Canada applicable therein, and exclude the United Nations Convention on Contracts for the International Sale of Goods. If you want to learn more about Gigaset Service or for Support on your Gigaset phone, visit our web site at www.gigaset.com or please call...
  • Page 70 Manufacturer’s advice Environment Environmental management system Gigaset Communications GmbH is certified pursuant to the international standards ISO 14001 and ISO 9001. ISO 14001 (Environment): Certified since September 2007 by TÜV SÜD Management Service GmbH. ISO 9001 (Quality): Certified since 17/02/1994 by TÜV SÜD Management Service GmbH.
  • Page 71: Technical Data

    Capacity: 750 mAh Handset operating times/charging times The operating time of your Gigaset depends on the capacity of the battery, its age and the way it is used. (All times are maximum possible times.) Standby time (hours) 320 / 190 * Talktime (hours) Operating time with 1.5 hours of calls per day (hours)
  • Page 72 Technical data General specifications DECT standard DECT 6.0 No. of channels 30 duplex channels Radio frequency range 1920 - 1930MHz Duplex mode Time division multiplexing, 10 ms frame length Repetition frequency of the transmission 100 Hz pulse Duration of the transmission pulse 370 μs Channel grid 1728 kHz...
  • Page 73 Technical data Character charts The character set used on the handset is dependent on the language set. Standard characters Press the relevant key several times. 9x 10x ä á à â ã ç ë é è ê ï í ì î...
  • Page 74: Display Icons

    Display icons Display icons The following icons are displayed depending on the settings and the operating status of your telephone. Icons in the status bar Icon Meaning Icon Meaning Signal strength (No Radiation off ) "Beep" ringtone activated 1% -100% Keypad lock activated white, if Maximum Range on;...
  • Page 75 Display icons Display icons to indicate . . . Icon Meaning Icon Meaning External call Reminder for appointment Internal call Reminder for anniversary Alarm call Call of a blocked number (protection mode Silent Call) Establishing a call (outgoing call) Countdown timer Connection established Answer machine is recording (only for a system with a local answer machine)
  • Page 76: Menu Overview

    Menu overview Menu overview Not all functions described in the user guide are available in all countries or from all network providers. Open the main menu: when handset is in idle status press ............p.
  • Page 77 Menu overview Additional Features Calendar ............p.
  • Page 78 Menu overview System Handset Reset ......p. 58 Security Check ......p.
  • Page 79: Index

    Index Index Base connecting to the mains power supply/telephone ..27 ......8 Activating/deactivating message LED network .
  • Page 80 Index ........28 Calling entry ....... . 16 .
  • Page 81 Index ....5 Handset Key (base), registration/paging ..... . 52 .
  • Page 82 Index ......38 Network mailbox Radiation ....39 .
  • Page 83 Index ........4 ... . 26 Talk key Viewing network mailbox message .
  • Page 84: Open Source Software

    Open Source Software General Your Gigaset device includes Open Source software that is subject to various license conditions. With regard to Open Source software, the granting of usage rights that go beyond the operation of the device in the form supplied by Gigaset Communications GmbH is governed by the relevant license conditions of the Open Source software.
  • Page 85 Issued by Gigaset Communications GmbH Frankenstr. 2, D-46395 Bocholt © Gigaset Communications GmbH 2022 Subject to availability. All rights reserved. Rights of modification reserved. www.gigaset.com...

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