Click Fraud Gigaset DX800A Deskphone and DECT Base Station SoHo Solution
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Fanvil VoIP Phones

Gigaset DX800A All-In-One IP Phone

55 Based on 2 ratings.
Key Features
  • 6 x SIP accounts
  • Up to 4 calls simultaneously
  • Supports 3-way conference call

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Please Note: The Gigaset DX800A has been discontinued. For an alternative, please see the other Gigaset IP Phones.

Gigaset DX800A VoIP Phone

The Gigaset DX800A is a 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. Being a hybrid phone means the Gigaset DX800A all in one is truly flexible and can be configured.

Gigaset DX800 Key Features test

  • Connect up to 6 DECT handsets there is a wide choice of handsets from robust to luxury. This means that this is a great business telephone solution for up to 7 users.
  • Up to 4 simultaneous calls making it ideal for busy environments (3 VoIP & 1 land-line, 2 VoIP & 2 ISDN (PTMP mode only) or 4 VoIP).
  • 6 SIP accounts (this means that each DECT handset could have its own telephone number).
  • Large 3.5" colour TFT display with intuitive user interface.
  • HD quality sound that complies with Cat-IQ 1.0.
  • Large address book with 1000 up to vCard store useful contact information including: first, last name, company, job title, 3 phone numbers, photo, email, website, address, birthday, notes and time zone.
  • 3 Answer phones with up to 55 minutes of recording time means that people can always contact you, even if no one is free to answer the call.
  • Professional finish this phone is professional inside and out, with a metallic finish.
  • Call recording: if you are making an important phone call you can record it. The message saves in your answer phone list ready to play back when you need.
  • Conference calling: the DX800A supports 3 way conference calls.
  • E-mail: supports e-mail notifications (subject, heading, time & date, start of the message).
  • Various screen saver options - pictures, logos, slide shows, clock and more.
  • 6 memory keys for quick access to frequently dialled numbers.
  • Link2mobileTM connection to mobile via Bluetooth® this means that you can make and receive calls via your mobile phone. Helping you make best use of your mobile contracts.
  • Extend the DECT range by adding the RTX 4022 you can extend the DECT range (Up to 6 can be added).
  • Energy-saving ECO features
  • Handsfree and mute functions

The all in one is the professional multiline desktop phone with DECT support 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 contacts and locate details easily with auto look-up. 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.

The 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 parallel; 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 contacts. 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-up 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.

Get 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 SMS. 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

The Gigaset DX800A all in one has an energy-saving power supply, meaning it consumes less electricity 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% by selecting the ECO Mode. Furthermore, radiation-free 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.

Note: Please refer to the Gigaset VoIP Phone Range Detailed Comparison Table for more information.

Gigaset IP Phones Comparison Table

Siemens Gigaset DX800A All-In-One IP Phone Technical Specifications

Sound Quality

  •  HDSP: Internal and external
  • Advanced hands-free
  • Ringer melodies: 5
  • Polyphonic tones: 7
  • Real sound tones: 11
  • Downloadable tones
  • Individual ringer melodies for VIP entries
  • Adjustable volume

Convenience - Phoning Essentials

  • Number of parallel analogue calls: 1
  • Number of parallel ISDN calls: 2
  • Number of parallel VoIP calls: 4
  • Range: Indoors 50m, outdoors 300m
  • Address book entries: 1000
  • vCards entries: 1000
  • vCards with picture: 250
  • Number of administered analogue phone numbers: 1
  • Number of administered ISDN phone numbers: 10
  • Number of administered VoIP phone numbers: 6
  • Phonebook transfer via DECT, Bluetooth and LAN
  • Last dialed records: 20 numbers
  • CTI for direct dialing from Outlook contacts directly via PC
  • Bluetooth function
  • Plug-and-play via installation wizards
  • Date reminder function
  • Alarm call
  • Calendar
  • Live recording of calls

Display and Menu Features

  • 3.5" Graphical, 320 x 240 px, 256k colour, illuminated display
  • Night mode
  • Easy-to-use text-based menu
  • Icon-based
  • Display of caller's number (CLIP2)
  • Picture (Picture CLIP2)
  • List of last missed calls with time and date: 30
  • Multilingual menu for up to 20 languages    20
  • Time displayed
  • Date displayed
  • Call duration displayed

Keypad Features

  • Navigation key
  • Message indicator key
  • Mute key
  • Configurable function keys: 6

Messaging Features

  • Up to 640 characters SMS
  • E-mail
  • E-mail notification

Basic IP Features

  • 6 VoIP accounts
  • Multiple provider configuration

IP Net Features and Services

  • Access to online phonebook (white & yellow pages)
  • Free calls worldwide between Gigaset VoIP phones via
  • VoIP profiles for download
  • VoIP protocol SIP
  • Codecs: G.711, G.722 G.726, G.729
  • QoS: ToS. Diffserv
  • Firmware update via Internet

Answering Machine Features

  • Number of answering machines: 3
  • Open listening at base station
  • Recording time up to 55 mins
  • Playback of messages from external phone
  • Predefined & individual announcements
  • PIN-protected Mailbox
  • Date and time announcement
  • Timed change between predefined and individual announcements
  • AM control via handset & via base station
  • Protection of recordings against power failure

Special Features

  • Link2mobile
  • Parallel Bluetooth connections: 2
  • WEB-Interface
  • Save and load of configuration settings from / to PC


  • Energy saving power supply
  • ECO Mode for reduction of transmitting power of base station by 80%
  • Radiation-free ECO Mode Plus
  • DECT on/off
  • Time controlled
  • DECT off with no registered handset


  • Equipped with speech transmission encryption

Features with More Than One Handset

  • Expandable to up to 6 handsets
  • Selective internal calls
  • Internal transfer of external calls
  • Parallel calls: 2 internal, 4 external

Technical Data

  • Standards: DECT, GAP, ISDN, Bluetooth, CatIQ certificated
  • LAN switch: 100 Mbit
  • Linux based operating system
  • Dimensions base station (H x W x D in mm): 108 x 263 x 168
  • Available colours: Titanium / Piano Black


  • Warranty: 2 years


  • Headset connection: corded 2,5 mm, DECT & Bluetooth
  • Fax connection port

Specifications Tab

Great Phone, silly ring tone. Plugs into SIP/VoIP, analogue, DECT & ISDN all in one phone, and has a.. See full review 4 TEXT_OF_5_STARS Date Added: Tuesday 06 December, 2016
This phone is by far the best phone in terms of features and performance I ever had - frankly I reck.. See full review 5 TEXT_OF_5_STARS Date Added: Tuesday 11 June, 2013

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This product has been discontinued.

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