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Information on the phone system:
Detailed and up-to-date operating guide for
your Gigaset phone
www.gigaset.com/manuals
Documentation relating to your base/router

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Summary of Contents for Gigaset COMFORT 550HX

  • Page 1 Information on the phone system: Detailed and up-to-date operating guide for your Gigaset phone www.gigaset.com/manuals Documentation relating to your base/router...
  • Page 2 You can use your handset with several different DECT bases. On a Gigaset base Connect your HX handset to a Gigaset base and use the many features with the quality you would expect from Gigaset. If your Gigaset base is IP-compatible, you can also make broadband calls using your HX handset with the highest voice quality (HDSP).
  • Page 3: Table Of Contents

    Contents Contents Overview ................4 Safety precautions .
  • Page 4: Overview

    Overview Overview If multiple functions are listed, the 1 Display button function depends on the 2 Status bar ( p. 54) situation. Icons display current settings and operating Subject to technical and visual status of the telephone modifications as part of the product 3 Display keys ( p.
  • Page 5 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 6: Safety Precautions

    Use only rechargeable batteries that correspond to the specification (see list of permitted batteries www.gigaset.com/service). Never use a conventional (non-rechargeable) battery or other battery types as this could result in significant health risks and personal injury. Rechargeable batteries, which are noticeably damaged, must be replaced.
  • Page 7: Getting Started

    Getting started Getting started Contents of the package • One handset, one battery cover, two batteries, one charging cradle with power adapter, one belt clip • 1 x user guide The charging cradle is designed for use in closed, dry rooms within a temperature range of +5°C to +45°C.
  • Page 8 Getting started Setting up the handset for use The display is protected by a plastic film. Please remove the protective film! Inserting the batteries Only use rechargeable batteries since otherwise major health risks and injury may result. For example, the outer casing of the batteries could be destroyed or the batteries could explode.
  • Page 9 Registration must be initiated on the base station and on the handset. Both must be carried out within 60 secs. On the base / On the router Gigaset base: Press and hold the Registration/Paging key on the base station (approx. 3 sec.).
  • Page 10 If the product is connected to the Internet via an IP base station or router, it will automatically connect to the Gigaset support server sending regular product specific information. This information will for example be used for firmware updates or to provide internet services.
  • Page 11 Getting started 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. Date and time are set using the base. The date and time can also be set on an IP-compatible base via a time server on the network.
  • Page 12: Using The Telephone

    "press the centre of the control key". In idle status Open the directory Press briefly Open the list of available online directories (Gigaset-IP base) or Press and hold central directory of the base (e.g. CAT-iq base) Open the main menu...
  • Page 13 Getting to know your telephone During a conversation Open the directory Open the list of available online directories (Gigaset-IP base) or Press and hold central directory of the base (e.g. CAT-iq base) Mute the microphone Initiate an internal consultation call...
  • 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

    Cancel dialling: Press the End call key On an IP-capable Gigaset base The connection is selected via the send connection (line) set for the handset. To use another line: press and hold the Talk key select the line Dial enter the number .
  • Page 17 Making calls Managing entries in the redial list Briefly press the Talk key . . . the redial list opens . . . use to select an entry Options . . . possible options: Copy an entry to the directory: Copy to Directory Copy the number to the display: Display number...
  • Page 18 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 19: Local Answer Machine

    Local answer machine Local answer machine (only on Gigaset bases with local answer machine) Switching the answer machine on/off Answer Machine Activation select an answer machine (if there are several) Change On or Off Save Playing back messages Press the Message key...
  • Page 20: Call Lists

    The telephone saves different types of calls (missed, accepted and outgoing calls) in lists. The base/router to which the handset is registered provides information on call numbers. Detailed information can be found at www.gigaset.com/compatibility. List entry The following information is displayed in the list entries:: Example •...
  • Page 21: Message Lists

    As soon as a new message arrives, an advisory tone will sound. The Message key also flashes (if activated). Activation from the handset is only possible on Gigaset bases. use the web interface as required for CAT-iq routers. Information user guide of the base/router.
  • Page 22 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 23: Directories

    Local handset directory Directories Local handset directory The local directory is unique to the handset. However, it is possible to send entries to other handsets. Information about online directories on IP-capable bases and central directories on CAT-iq bases user guide of the base. Opening the directory Briefly press in idle status...
  • Page 24 Local handset directory Caller Melody (VIP): select the ringtone that will indicate a call from the participant . . . if a Caller Melody (VIP) has been assigned, the entry will appear in the directory with the icon. Save entry: Save The entry is only valid if it contains at least one number.
  • Page 25 Local handset directory 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. Press the display key or Options Copy to Directory OK .
  • Page 26 Local handset 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 27: Base Directory

    Base directory Base directory (depending on the base) If the DECT base (on a CAT-iq router for example) provides a separate directory, it can also be displayed and edited on the handset. Contacts Base Directory OK . . . The first entry in the phone directory is displayed Press and hold the Control button For information on the base directory:...
  • Page 28: Additional Functions

    Additional information Regarding the telephone system, if the handset is connected to a Gigaset base: User guide for your Gigaset telephone Regarding the telephone system, if the handset is connected to another base/router:...
  • Page 29 Calendar Saving appointments to the calendar Date and time have been set. Additional Features Calendar select desired day OK . . . then Switch on/off: Activation: select On or Off Enter date: Date . . . the selected day has been pre-set enter new date Enter time:...
  • Page 30: Timer

    Timer Opening the list Press the Message key Missed Alarms: browse through the list of any appointments Additional Features Missed Alarms Each entry is displayed with the number or name, date and time. The most recent entry appears at the top of the list. Delete an appointment/anniversary: Delete Displaying/changing/deleting stored appointments...
  • Page 31: Alarm Clock

    Alarm clock Disabling/repeating the alarm Switch off the alarm: Repeat the alarm: Restart . . . the timer display is displayed again set another duration as required Save . . . the countdown is restarted Alarm clock Date and time have been set. Activating/deactivating the alarm clock and setting the wake-up time Additional Features Alarm Clock...
  • Page 32: Baby Monitor

    Baby monitor Baby monitor When the baby monitor is switched on, the stored (internal or external) destination number is called as soon as a defined noise level is exceeded in the vicinity of the handset. The alarm to an external number is cancelled after approximately 90 seconds. You can answer the alarm using the Two Way Talk function.
  • Page 33: Eco Dect

    ECO DECT Deactivate baby monitor / Cancel alarm Deactivate the baby monitor: In idle status press the display key OFF Cancel the alarm: Press the End call key during an alarm Deactivate the baby monitor remotely The alarm is forwarded to an external destination number. The receiving phone supports tone dialling.
  • Page 34: Protection Against Unwanted Calls

    Protection against unwanted calls Deactivating radiation in idle status Settings ECO DECT No Radiation Change ( = activated) To benefit from the advantages of the setting No Radiation, all registered handsets must support this feature. If the setting No Radiation is activated and a handset is registered to the base that does not support this feature, No Radiation is automatically deactivated.
  • Page 35 Audio Settings Ringtones (Handset) Anon. Calls Silent Edit ( = activated) . . . the call is only signalled on the display For all handsets (only on some Gigaset bases) Settings Telephony Anonymous Calls Edit = activated) select Protection Mode: No Protection Anonymous calls are indicated in the same way as identified numbers.
  • Page 36 Protection against unwanted calls Setting the protection mode Settings Telephony Blocklist Protection Mode select desired protection No Protection All calls are indicated, including from callers whose numbers are on the black list. Silent Call The telephone will not ring and the incoming call will only appear in the display.
  • Page 37 Protection against unwanted calls Transferring a number from a call list to the black list Call Lists select Accepted calls/Missed calls select entry Options Copy to Blocklist Calls from blocked numbers are displayed in the call list with symbol Dynamic black list A spam number is not usually active for a long time.
  • Page 38: Setting The Handset

    Setting the handset Setting the handset Setting the date and time manually (depending on the base) 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. The address of a time server in the Internet is stored in the phone/router.
  • Page 39 Press the End call key briefly . . . the display changes to idle status Display of info services as screensaver (only on a Gigaset-IP base) Info Services are activated via the web configurator. The telephone is connected to the Internet.
  • Page 40 If no information is currently available, the digital time (Digital Clock) is displayed instead until information is available again. Switching Info Services on/off (only on a Gigaset-IP base) The text information from the Internet that is set for the screensaver Info Services can be displayed as a scrolling message in idle status.
  • Page 41 Setting the handset The handset's standby time may be significantly reduced if the display backlight is switched on. Changing the earpiece and handsfree volume You can set the volume of the earpiece and speaker at 5 levels independently of each other. During a conversation Handset Volume select volume...
  • Page 42 Setting the handset Ringtone melody Set different ringtones for internal and external calls for every available receive connection of the telephone (Fixed Line, IP1) or set the same ringtone for All calls. Settings Audio Settings Ringtones (Handset) Melodies select the connection select the ringtone/melody in each case Save...
  • Page 43 Setting the handset There is no battery warning when the baby monitor is switched on. Auto answer When Auto answer is enabled, the handset accepts an incoming call as soon as it is removed from the charging cradle. Settings Telephony Auto Answer Change = activated)
  • Page 44 Setting the handset Assigning display keys / Changing assignments The left and right display keys have a function preset by default when in idle mode. The key can be re-assigned. Press and hold the left or right display key in idle status . . . the list of possible key assign- ments is opened select the function OK .
  • Page 45 Setting the handset Permit/prevent internal listening in (only on a CAT-iq router) If the function is enabled, an internal party can listen in to an external call and take part in the conversation (conference). Settings Telephony Connections select connection Listening In Change ( = activated) Show system and line statuses...
  • Page 46 The handset supports firmware updating via the DECT radio link to the base/router (SUOTA = Software Update Over The Air). The base/router to which the handset is registered must also support this function www.gigaset.com/compatibility) The phone checks whether new firmware is available for the handset. If it is, a message is displayed.
  • Page 47 Setting the handset Testing DECT encryption (depending on the base) 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 (...
  • Page 48: Appendix

    Please have your proof of purchase ready when calling. Please note that if the Gigaset product is not sold by authorised dealers in the national territory the product may not be fully compatible with the national telephone network. It is clearly specified on the box near the CE mark for which country/countries the equipment has been developed.
  • Page 49 The above provisions do not imply a change in the burden of proof to the detriment of the customer. To invoke this Guarantee, please contact the Gigaset Communications helpdesk. This number is also to be found in the accompanying user guide.
  • Page 50: Manufacturer's Advice

    Data protection We at Gigaset take the protection of our customers’ data very seriously. It is precisely for this reason that we are ensuring all our products feature "Privacy by Design" as standard. All information we collect is used to make our products as good as possible.
  • Page 51 Manufacturer’s advice Disposal Batteries should not be disposed of in general household waste. Observe the local waste disposal regulations, details of which can be obtained from your local authority. All electrical and electronic equipment must be disposed of separately from general household waste using the sites designated by local authorities.
  • Page 52: 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 53 Technical data Power adapter Manufacturer Salom Electric (Xiamen) Co. Ltd. Commercial registration number: 91350200612003878C 31 Building, Huli Industrial District, Xiamen, Fujian 361006, P.R. China Salcomp (Shenzen) Co. Ltd. Commercial registration number: 91440300618932635P Salcomp Road, Furond Industrial Area, Xinqiao, Shajing, Baoan District, Shenzen 518125 China Model identifier C705 / C710 Input voltage...
  • Page 54: 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 55 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 56: Index

    Index Index ........20 Call lists .
  • Page 57 Index ....26 sending entry/list to handset ..... . 26 sending to handset Handset Directory key...
  • Page 58 Index Outage ..... . . 6 Internet connection ........4 .
  • Page 59 Index ........4 ... . 21 Talk key Viewing network mailbox message .
  • Page 60: 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 61 Issued by Gigaset Communications GmbH Frankenstr. 2a, D-46395 Bocholt © Gigaset Communications GmbH 2022 Subject to availability. All rights reserved. Rights of modification reserved. www.gigaset.com...

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