• Description

    The high-end hybrid desktop phone for VoIP and ISDN or fixed line calling.

    The Gigaset DX800A all in one is the professional multiline desktop phone for small offices and home offices. From its comfortably modern design to its large 3.5 TFT colour display, this corded phone has executive chic and the business-like functionality to match. Being a hybrid phone means the Gigaset DX800A all in one is truly flexible and can be configured to either IP with ISDN, or IP with fixed line. Because it’s a multiline phone it can support up to 4 parallel calls and expand with multiple handsets – up to 6 in total. Managing contacts is easy with up to 1.000 vCard entries. You can synchronise with your PC to access Outlook contacts3 and locate details easily with auto look-up4. The Gigaset DX800A all in one has best-in-class hands-free for wired or wireless hands-free talking. And what’s more, every single conversation is heard in exceptional High Definition sound quality. With its range of energy-saving features and radiation-free mode, this telephone is better for the environment. And thanks to three integrated answering machines with a combined recording time of up to 55 minutes, the Gigaset DX800A all in one is equipped to support small businesses.

    With its executive features, VoIP with ISDN or fixed line and large colour display, the Gigaset DX800A all in one is ideal for small offices and home offices. This multiline desktop phone is capable of meeting the daily demands of up to four professionals.

    DX800A all in oneThe future is calling.
    Because the Gigaset DX800A all in one is a hybrid desktop phone, it is a completely flexible Next Generation-ready solution and a real investment for the future. When you configure this telephone you choose between VoIP and regular fixed line or VoIP and ISDN, based on the needs of your small office or home office. And as the needs of the future change, the Gigaset DX800A all-in-one can be reconfigured as required. Being a multiline telephone means it supports up to 4 calls in parallel2; ideal for busy environments and if you ever need to expand your horizons with multiple handsets the Gigaset DX800A all-in-one supports up to 6.

    Professional SOHO solution.

    The Gigaset DX800A all in one manages your contacts professionally. As well as providing an address book for up to 1.000 vCards, this valuable multiline desktop phone links to your Outlook contacts3. When someone in your small office or home office needs to locate the details of other businesses, the Gigaset DX800A all in one saves time with access to an online net directory and Yellow Pages search. With auto look-up4 it’s even easier to find the details needed. The online benefits of this hybrid desktop phone do not end there; get useful Gigaset info services direct to your large colour display – RSS news feeds, a weather forecast and more. Also receive email notification, showing details of the sender, subject, time and date. And with Link2Mobile Bluetooth® technology you can make and receive mobile calls from the comfort of the Gigaset DX800A all in one, whenever it suits you.

    Answering machineGet the message.
    The three separate answering machines of the Gigaset DX800A all in one, with a combined recording time of up to 55 minutes, mean your associates will never be cut short, even when leaving detailed messages. This dependable multiline desktop phone does all it can to let you know when new messages are waiting, from notification on the large TFT colour display to sending an SMS4. And for the convenience of everyone that uses your small office or home office, the answering machines of the Gigaset DX800A all in one can even record calls.

    Environmental efficiency.

    green home logoThe Gigaset DX800A all in one has an energy-saving power supply, meaning it consumes less electricity5 saving you money and helping the environment. For further energy savings, a time controlled night mode switches off the display when not in use. When no cordless handsets are registered to the base station the DECT power is switched off completely. When handsets are registered, the transmitting power to the base station is variably reduced depending on their distance apart. You can also reduce the transmitting power by 80%6 by selecting the ECO Mode. Furthermore, radiation-free7 ECO Mode Plus turns off the transmitting power when the handset is in standby. Rely on the Gigaset DX800A all in one for professional energy-efficiency.

    With its smart design, HD sound and flexible configuration – VoIP with ISDN or fixed line – the Gigaset DX800A all in one is a real investment for the future and the savvy choice for your professional small office or home office.

    The new ContactsPush app

    Uploading phone contacts has never been easier!
    Finally a quick and easy way to load contacts onto your VoIP and landline phone: introducing ContactsPush, the complimentary Gigaset online application that allows you to transfer contacts directly from your smartphone. With a few simple clicks you can upload your smartphone contacts to your DECT handsets. Now that’s innovation!
  • Specifications
    Answering machine features
    Protection of recordings against power failure yes
    PIN-protected Mailbox yes
    Number of answering machines 3
    AM control via handset | via base station yes | yes
    Timed change between predefined and individual announcements yes
    Date and time announcement yes
    Predefined | individual announcements yes | yes
    Recording time up to … min. | playback of messages from external phone 55 | yes
    Open listening at base station yes
    Basic IP features
    … VoIP accounts 6
    Multiple provider configuration yes
    Convenience - phoning essentials
    Bluetooth® function yes
    Plug-and-play via installation wizards yes
    Automatic redial function in base -
    CTI for direct dialing from Outlook contacts directly via PC yes
    Number of administered phone numbers: analogue | ISDN | VoIP 1 | 10 | 6
    Entries | vCards | Up to ... vCards with picture 1000 | 1000 | 250
    Phonebook | address book - | yes
    Number of parallel calls: analogue | ISDN | VoIP 1 | 2 | 4
    Last dialed ... numbers 20
    Phonebook transfer: via DECT | via Bluetooth® | via LAN yes | yes | yes
    Live recording of calls yes
    Calendar yes
    Date reminder function | alarm call yes | yes
    Range indoors | outdoors 50m | 300m
    Display and menu features
    Display: illuminated | colour | night mode yes | yes | yes
    Call duration displayed yes
    Date displayed yes
    Time displayed yes
    List of last … missed calls with time and date 30
    Display of caller’s number (CLIP) | picture (Picture CLIP) yes | yes
    Easy-to-use text-based menu | jumbo fonts | icon-based yes | - | yes
    ... pixel, ... inch, ... colours and ... lines 320x240 | 3\,5 | 256k | -
    Display: numeric | alphanumeric | semigraphical | graphical - | - | - | yes
    Multilingual menu for up to ... languages 20
    Energy saving power supply yes
    Radiation-free ECO Mode Plus yes
    ECO Mode for reduction of transmitting power of base station by 80% yes
    DECT on/off | time controlled | DECT off with no registered handset yes | yes | yes
    IP net features and services
    Codecs G.711, G.722 | G.726 | G.729 yes | yes | yes (2)
    Access to online phonebook (white & yellow pages) yes
    Free calls worldwide between Gigaset VoIP phones via Gigaset.net yes
    VoIP profiles for download yes
    VoIP protocol SIP yes
    QoS: ToS. Diffserv yes
    Firmware update via Internet yes
    Keypad features
    Navigation key yes
    Configurable function keys 6
    Message indicator key | Mute key yes | yes
    Colour of illumination -
    Illuminated keypad -
    Messaging functions
    Up to … characters SMS | Email 640 | yes
    Email notification yes
    Wall mountable -
    Warranty 2 years
    Batteries -
    SAR Value
    Gigaset Base station < 0\,1 W/kg
    Equipped with speech transmission encryption yes
    Sound quality
    Hands-free talking | convenient hands-free | advanced hands-free - | - | yes
    Adjustable volume yes
    HDSP™ internal | external yes | yes
    Individual ringer melodies for VIP entries yes
    Ringer melodies | polyphonic | real sounds I downloadable 5 | 7 | 11 | yes
    Special features
    Link2mobile | parallel Bluetooth connections yes | 2
    WEB-Interface | save and load of configuration settings from/to PC yes | yes
    Technical data
    Standards DECT | GAP | ISDN | Bluetooth | CatIQ certificated yes | yes | yes | yes | yes
    LAN switch: 10 Mbit | 100 Mbit | Gbit - | yes | -
    Linux based operating system yes
    Dimensions base station (H x W x D in mm) 108x263x168
    Available colours Titanium/Piano Black
  • Accessories
    • Gigaset C610H
      Gigaset C610H
      • Enhanced family features: direct call, anonymous call silencing and integrated baby phone with talk-back option
      • Day/night switch mutes handset’s ringer
      • Large TFT colour display
      • Radiation-free ECO Mode Plus1
    • Gigaset S810H
      Gigaset S810H
      • Best-in-class hands-free talking
      • Bluetooth® headset connection and dialling of Outlook contacts on PC via 1-click interface
      • Address book for up to 500 vCard entries
      • Radiation-free1 ECO Mode Plus
    • Gigaset SL400H
      Gigaset SL400H
      • Luxurious materials – genuine metal frame and illuminated keypad
      • Generous colour display with intuitive user interface
      • Convenient Bluetooth® headset connection
      • ECO DECT with no radiation1
    • Gigaset C620H
      Gigaset C620H
      • Direct access keys to call protection management features:
        time-based call silencing, anonymous call protect (blocking or silencing) 
        and blacklists
      • Direct access key to baby phone with talk-back
      • Long talk/ standby time of up to 26/530 hours
  • Video

    Gigaset DX800A

  • Support
  • This product might not be available in your country. For detailed information, please consult your local retailer. 


  • 1 Flexible configuration possible for the following phone connection combinations: fixed line and IP, or ISDN and IP
  • 2 3 VoIP and 1 fixed line, 2 VoIP and 2 ISDN lines, or up to 4 VoIP lines
  • 3 Compatible with all Microsoft Outlook versions since Outlook 2002
  • 4 Dependent on country/network/provider
  • 5 Switch mode power supply
  • 6 For all registered handsets – in comparison to when ECO Mode is not activated and to our conventional cordless phones.
  • 7 The DECT transmitting power is switched off for all registered handsets – when all support ECO Mode Plus.

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