Gigaset Maxwell 3

Professional Gigaset IP phone with up to 4 SIP accounts: HD sound, USB connection, 8 function keys

Key features
  • Professional desktop or wall IP phone
  • Up to 4 VoIP accounts
  • Large color TFT screen 3,5''
  • Full-Duplex speaker
  • 2 Gb Ethernet ports
  • Connections: RJ9, RJ45, USB.
  • Supports Bluetooth headsets with Plantronics USB dongle.
  • POE
£149.99 Incl. VAT
Delivery date with Express Shipping: 19/04/2024 If order placed before 12PM
2 years of manufacturer warranty Subject to manufacturer conditions
Pay in 3 interest-free payments of See more
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Internal ref: SIMAX3
Manufacturer part #: S30853-H4003-R101
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Product description

Gigaset professional IP phone, with advanced functions for business communications

The Gigaset Maxwell 3 stands out for its ease of use: a very practical design, with German quality and an interface designed exclusively for the user. The phone supports up to 4 SIP accounts and is equipped with exceptional HD voice and sound quality.


The Maxwell 3 is compatible with mediated solutions, the open communication guarantees the perfect compatibility with any Gigaset PRO network and the self-provisioning facilitates the life of the installer within the Gigaset PRO network, ensuring a worry-free communication both in the present and in the future.

With a large color TFT screen and a navigation key with 5 positions, you can operate the phone in a very comfortable way. But this is not all, the Maxwell 3 has 8 BLF keys (programmable for x, y, z), the state can be defined with 3 colors: red, green and yellow and the user can assign one of the colors to an activity, a phone number or a phone command.


The phone has professional functions that adapt to any work environment, whether at home or at the office. On the screen you can see the photo of who is calling you, as well as your waiting calls and the information of your active calls (date, time, photo, etc.). You can manage your contacts from your phone and perform quick searches, thanks to its calendar of up to 100 entries, it also allows local conferences, divert calls, hold them, alternate different calls or select the "Do not disturb" mode.

The phone has a speaker and two RJ9 ports, allowing you to have your hands free during your calls in the way that is most comfortable for you. You can also personalize your phone thanks to the multiple ring tones and select the line (internal / external, group, door). You can also connect it to a PC or Mac via Ethernet.

You can use your Gigaset Maxwell Basic phone as a desk phone or as a wall telephone.


  • 4 VoIP accounts
  • 3.5" color TFT screen, illuminated (Resolution: 320 x 240 pixels)
  • Full keyboard
  • 8 programmable function keys, illuminated (red, green, yellow)
  • 10 function keys for quick access and status indication
  • Broadband HD sound
  • Full Duplex speaker
  • Adjustable volume: speaker, terminal with cable and headphones
  • Address book with 100 entries in internal memory
  • Quick search (by characters or full text)
  • Online contact agendas
  • LDAP support
  • Automatic online search
  • Caller ID with photo
  • Conference at 3 (local)
  • 2 lines in parallel
  • Call waiting, diversion, call retention, alternation, conference (assisted and ad hoc, transfer (attended / not attended)
  • Gigabit-Ethernet with 2-port switch (10/100/1000):
  • LAN (PoE) - network / Gateway / switch
  • PC- computer
  • 2 RJ9: Terminal with cable / Headphones with cable
  • USB 2.0 type A for headphones (Sennheiser), hands-free devices, USB connector ...
  • PoE: IEEE 802.3af, class 3

Características PBX:

  • Answering machine in network
  • Busy line indicator
  • Conference calls (call 3)
  • Call transfer: not attended / attended
  • Call retention
  • Call rejection
  • Call alternations
  • Call recovery
  • Return of calls
  • CLIR
  • Call waiting
  • Manual call diversion


Maxwell 3 - User Manual (EN)
Maxwell 3 - Datasheet (EN)

Product Specs.

More Information
Manufacturer part #S30853-H4003-R101
Warranty2 years
Number of lines4
Function keysWith call key , With hands free kit, With mute key , With navigation key , With pause key , With R key, With redial key, With voicemail access
Expansion moduleNot compatible
SpeakerphoneFull Dúplex
Headset portWith headset port
Power sourceMains powered, PoE powered
Type of displayColour display
Call indicator LEDWith LED call indicator
Connectivity1 USB port, 2 RJ45 gigabit ports, Headset port, RJ9 connection
Wall mountingWith optional wall mounting

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