• Description

    The sophisticated phone with best-in-class performance

    The Gigaset C300 is the high-performance phone that meets your modern lifestyle needs. Its ergonomic keypad made of high-quality materials ensures comfortable dialling. Four colour schemes allow you to choose your favourite look for the large colour display. Talking frequently and for long periods is no problem with the long talk time of up to 20 hours. The Gigaset C300 also remains ready for use with little recharging necessary, thanks to its long standby time of up to 300 hours. ECO DECT with no radiation1 means that the Gigaset C300 is an energy-saving, environmentally friendly choice in telephony.

    For a reliable phone that’s a true technical performer, discover the Gigaset C300.

    Gigaset C300HConvenient and attractive design
    With its straightforward operability and modern look, the Gigaset C300 has assets in all categories. You can place calls comfortably using its ergonomic keypad made of high-quality materials. The 1.7”, large colour display features a big font for easy reading and navigation. Four appealing colour schemes let you choose the look of the display on the Gigaset C300.

    Made for your frequent calling needs
    The reliable cordless technology of the Gigaset C300 lets you carry the handset throughout your home without worrying about its battery life. The long talk time of up to 20 hours means that your calls can continue for as long as you like. And with a long standby time of up to 300 hours, you can keep the phone conveniently at your side with little recharging necessary. These freedoms make the Gigaset C300 a high-performance phone.

    Brilliant HSP™ sound quality
    The Gigaset C300 lets you experience High Sound Performance with every call – even when you’re talking hands-free. This means you can multi-task while you chat and still hear conversations with perfect clarity. It’s also easy to adjust the Gigaset C300’s 5-step volume according to your preferences.

    Sensible features
    If you have a busy lifestyle, the practical technology of the Gigaset C300 can help. The missed call list with caller ID2 and time keeps you informed about who rang while you were out. You can activate anonymous call silencing to avoid unidentified numbers. Reach your favourite contacts in seconds by using the address book that stores up to 250 names and numbers. If you’d like to send someone a short note, you can take advantage of the Gigaset C300’s text messaging2 function that allows for the sending of 160-character messages.

    ECO DECT: Pure energy savings and radiation-free5
    ECO DECTThe energy-saving power supply of the Gigaset C300 consumes less than 0.4W3. Like all Gigaset cordless phones, it variably reduces the transmitting power from the handset to base station depending on their distance apart. You can also reduce the transmitting power of the Gigaset C300’s base station by 80%4 simply by selecting the ECO Mode. Furthermore, radiation-free5 ECO Mode Plus turns off the transmitting power when the phone is in standby.

    For practical features and cordless technology that’s best in its class, the Gigaset C300 is the choice for you.


    Environmental Product DeclarationOur environmental mission
    We at Gigaset Communications GmbH have a responsibility to society. View our Environmental Product Declaration for the Gigaset C300/C300A.
    Download (pdf)
  • Specifications
    Convenience - phoning essentials
    Bluetooth® function | Mini-USB | Micro-USB - | -
    Dial by voice command -
    Automatic redial function in handset -
    Automatic dialing of operator prefix -
    Last dialed ... numbers 10
    Phonebook transfer: via DECT | via Bluetooth® | via LAN yes | - | -
    Phonebook | address book | entries yes | - | 250
    Standby time | talk time 300h | 20h
    Room monitoring -
    Vibracall -
    Live recording of calls -
    Calendar -
    Date reminder function | alarm call - | yes
    Plug-and-play installation yes
    Range indoors | outdoors 50m | 300m
    Display and menu features
    Charging status displayed yes
    Display of caller’s number (CLIP) | picture (Picture CLIP) yes | -
    Easy-to-use text-based menu | jumbo fonts | icon-based yes | yes | yes
    Call duration displayed yes
    Call charge displayed -
    Range displayed (handset to base station) 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 | -
    Easy-to-use text-based menu | jumbo fonts | icon-based yes | yes | yes
    ... pixel, ... inch, ... colours and ... lines 128 x 128 | 1.7'' | 4k | 6
    Display: illuminated | colour yes | yes
    Display: numeric | alphanumeric | semigraphical | graphical - | - | - | yes
    Multilingual menu for up to ... languages 19
    Up to 60% less power consumption yes
    Transmitting power at almost zero when handset docked yes
    Radiation-free ECO Mode Plus yes
    ECO Mode for reduction of transmitting power of base station by 80% yes
    Keypad features
    Navigation key yes
    Message indicator key yes
    Colour of illumination amber
    Illuminated keypad yes
    Messaging functions
    Up to … characters SMS | Email 160 | -
    Up to ... personalized SMS in-boxes 1
    Email notification -
    Wall mountable yes
    Warranty 2 years
    Batteries 2xAAA
    SAR Value
    Gigaset Handsets < 0\,1 W/kg
    Equipped with speech transmission encryption yes
    Sound quality
    Hands-free talking | convenient hands-free | advanced hands-free - | - | yes
    Headset connection | corded 2,5 mm | Bluetooth® - | - | -
    Adjustable handset volume yes
    Individual ringer melodies for VIP entries yes
    HSP™ for brilliant sound quality yes
    HDSP™ ready handset yes
    Ringer melodies | polyphonic | real sounds I downloadable 21 | 16 | - | -
    Technical data
    Standards DECT | GAP yes | yes
    Dimensions handset (H x W x D in mm) 151 x 26 x 49
    Dimensions base station (H x W x D in mm) 103 x 114 x 32
    Dimensions charger (H x W x D in mm) 28 x 70 x 72
    Available colours silver-black
  • Accessories
    • Gigaset L410
      Gigaset L410
      • Clip on and move with more flexibility
        while you call
      • Hands-free talking in perfect sound quality
      • One-click call transfer from handset1 or take calls directly on clip
      • ECO DECT features2
  • Video

    Gigaset C300

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


  • 1 The DECT transmitting power is switched off when handset is in idle mode – when all registered handsets support ECO Mode Plus 
  • 2 Dependent on country/network/operator 
  • 3 Basestation when in standby and not charging 
  • 4 For all registered handsets – in comparison to when ECO Mode is not activated and to our conventional cordless phones
  • 5 The DECT transmitting power is switched off for all registered handsets – when all support ECO Mode Plus

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