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Siemens Openstage 15T

Hands-free digital telephone and navigation key

Manufacturer Ref.: L30250-F600-C174 Product Ref.: SIOPEN15TB
Siemens Openstage 15T

Key features

  • Digital handset for Siemens Hipath Platforms
  • Hands-free Full-Duplex
  • 205x41 pixel LCD screen
  • RJ45 socket for headset
  • Direct headset keys
  • USB slaves

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Product information

Digital Telephone

The Siemens Openstage 15T phone is a basic digital phonewith all the features of professional telephones: full-duplex hands-free, 8 programmable keys, sending and receiving messages, etc. Customizable for different work environments. OpenStage 15 is recommended for use as an office phone for call center employees.

Reference range SiP in lava: SIOPEN15IP
SiP range reference in arctic blue: SIOPEN15IPB

Compatible with extension modules

  • Add programmable function keys to your Openstage 15 phone!
  • With an extension module, pass from 8 to 26 programmable function keys with LED's

Several versions according to their infrastructures

  • Openstage range (without suffix): Free SIP terminals
  • Openstage G range: Free SIP terminals with 1000 Mb Ethernet port
  • Openstage E range: Free SIP terminals without hands-free full-duplex
  • Openstage HFA Range: Proprietary SIP terminals (only for Siemens Hipath IP platforms) *
  • Openstage T range: Digital terminals for PBX Hipath 3000 and 4000 *

* NOTE: Consult us for more information about prices and availability of these ranges. Openstage 15 is only available in standard SIP version and in the T range.



  • Digital terminal for Siemens Hipath 500, 3000 and 4000 platforms
  • Support for keyboard extension module
  • Echo cancellation in the headset
  • 3 navigation keys
  • 8 programmable keys (with label) with red LED's
  • 2 fixed function keys with red LED's
  • Adjustable volume (ring and earphone)
  • Monochromatic 2-line LCD screen of 205x41 pixels
  • Agenda of the system
  • Caller ID
  • Hands-free Full-Duplex
  • Call waiting, diversion, transfer and retention.
  • "Do not disturb" function
  • Keypad lock
  • Conference to 3
  • Call history
  • Surveillance room
  • Appointment schedule
  • Possible wall mounting
  • Upgradeable by firmware
  • USB slave
  • Available colors: lava and arctic blue
  • Measures: 240 x 221 x 70 mm
  • Weight: 783 gr.
Warranty 2 years
Connecting line Pabx
Number of lines 1
Number of simultaneous calls 0
Key features With call log
Function keys With hands free kit
Softkeys 8
Expansion module Compatible with 1 module
Optimized for Microsoft Lync Not optimized for Microsoft Lync
Volume control Handset volume control , Ringtone volume control , Speakerphone volume control
Hearing aid compatible Not compatible with hearing aid
Speakerphone Yes
Hands free With hands free kit
Headset port Without headset port
Sound quality Standard sound
Line powered Self-powered
Power source Line powered
Display With display
Type of display Black and white display, LCD display
Display size 2 lines - 205x41 pixels
Keypad Numerical keypad
Colour Ice Blue
Call indicator LED Without LED call indicator
Connectivity RJ11 connection , RJ9 connection
Wall mounting With optional wall mounting
Compatibility electronic hook switch Not compatibile with electronic hook switch (EHS)
In the box
  • Openstage 15T phone
  • Phone headphone
  • Earphone cord
  • Network wire
  • Power adapter
  • Manual
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