Not ready or willing to migrate to IP, but would like to have advanced features?
The monochrome phone excels with feature rich specifications in order to make the users daily life more convenient. The KX-DT635 brings all the great features and the high-quality that Panasonic is known for. If you are used to operating a DT300 or DT500 series digital phone, you will find the feature set and operation is as easy as you are accustomed to.
Operating your phone with a headset for convenience? The KX-DT635 has the EHS (Electronic Hook Switch) feature included, so all Panasonic confirmed headsets can be used.

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Please see below the services available for this product. You can also use this section to access the general Service & Downloads area of the website or contact our Technical Support team.
General service & downloads Contact technical supportPlease see below the services available for this product. You can also use this section to access the general Service & Downloads area of the website or contact our Technical Support team.
General service & downloads Contact technical supportThere are currently no key services available.
Please see below the services available for this product. You can also use this section to access the general Service & Downloads area of the website or contact our Technical Support team.
General service & downloads Contact technical supportThere are currently no other services available.
Specifications
LCD Display | 3.6 Inch Monochrome |
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LCD Size (Pixels, Lines) | 6 Lines (Main: 3 lines, FF Key: 3 lines) |
LCD Contrast | 4 levels |
LCD Backlight | On / Auto / Off |
Electronic Hook Switch Control Port | Yes |
Bluetooth (Built-in) | No |
DXDP | No |
XDP | No *1 |
Desk Mount Tilt | Yes (3 positions) |
Wall Mount Kit | Optional : KX-A435 |
Power Adaptor | Not Required |
Dimensions (W x H x D) | MID: 205 x 183 x 179mm |
Weight | 870 g |
Optional DSS Console | No *2 |
Volume Level (Handset/Headset/SP Phone) | 6 levels / 6 levels / 8 levels |
Headset Port | ⌀ 2.5 mm audio jack (Full Duplex) |
Speakerphone | Yes (Full Duplex) |
Ringtones | 30 different |
Ringer Volume | 4 levels & Off |
Audio Codec | G.711 |
Soft Keys | 4 |
Programmable Keys (FF Keys) | 24 (4 pages of 6 keys) |
Navigation Key | Yes |
Auto Redial | Yes |
Off-Hook Monitor | Yes |
Handset/Headset Mic Mute | Yes |
Speakerphone Mic Mute | Yes |
Phone Directory | Yes, 100 Entries (personal), 1000 Entries (system) |
Footnote | *1 One extension number for Digital PT and cordless phone (SLT) is available even without XDP port. *2 Mechanical connection is not available. But KX DT6xx user can call other extensions using KX DT590. |