OpenStage T

The Wiki of Unify contains information on clients and devices, communications systems and unified communications. - Unify GmbH & Co. KG is a Trademark Licensee of Siemens AG.

Revision as of 08:18, 17 October 2007 by Horemu (talk | contribs) (Add-On devices, Adapters and Accessories)
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os20-p.jpg os40-p.jpg
OpenStage 20 OpenStage 40

The OpenStage phone family currently consists of the both UP0/E phones OpenStage 20 T and OpenStage 40 T.

Phone range

Common features

The OpenStage family have a wide common feature set (listed below) and additional features per model (specified for each phone model).

  • Full-duplex hands-free talking
  • Tiltable display
  • Built-in applications:
    • Graphical call handling
    • Local Telephone book
    • Call log / history
    • Help
  • Free programmable sensorkeys (OpenStage 40 T)
  • Keypad with 12 keys
  • Increasing combination of various housing colors and materials from model to model (ice blue, lava)

Differentiating factors


Tiltable Display OpenStage 20 OpenStage 40
Technology LCD LCD
Color Monochrome Monochrome
Size 205x41 pixel 240x128 pixel
Diagonal N/A 5.1"
Lines 2 (24 characters) 6 (Graphics)
Backlit No Yes


Keys and LEDs features OpenStage 20 OpenStage 40
Fixed function keys (Pushbuttons) 7 (5 red LEDs)[1] 8 (6 red LEDs)[1]
Freely programmable touch keys 0 6 (red LEDs)[2]
Mode keys (touch keys) 0 0
Optical call alert No Red LED
Volume adjustment via +/- keys via +/- keys
Navigation element 3 Ways navigator 5 Ways navigator
  1. 1.0 1.1 No LED for call Drop/Release or Redial.
  2. Thereof one can be a Shift Key 2 levels.


Interfaces OpenStage 20 OpenStage 40
Headset jack (121 TR9-5) No tick.gif
USB Master No No
USB Slave No tick.gif


All OpenStage phones are shipped with a printed document (pdf.png  QRG OpenStage ML) providing brief instruction regarding installation and operation.

symb-docu.gif Documentation in further languages, software and other downloads can be found on
Any comments to the files provided here?

International (English)  English

Deutschland  Deutsch

For detailed interoperability information please check OpenStage SIP interoperability matrix.

Add-On devices, Adapters and Accessories

See OpenStage Accessories.

See also

Show SIP related | Show HFA related | Show TDM related

External links