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Siemens OpenStage 15

OpenStage 15 is a full-featured speakerphone with display and eight function keys with LEDs that could be used for line keys when operated as a multi-line telephone, for example.

Siemens OpenStage 15

The OpenStage family is intuitive in functionality and interface, integrated through interoperability with other devices, and multimodal to allow access to various services and applications.


  • Supported Codecs:
    • G.711
    • G.729AB
    • G.722
  • Standard based SIP support according to RFC 3261 (with SIP software)
  • Full-duplex hands-free talking with high quality housing microphone and loudspeaker
  • Computer Telephony Integration (CTI for HFA), Third party call control (for SIP)

Applications, Administration

  • Remote administration:
    • Web-based management
    • HiPath Deployment Service


  • 2 ports 10/100Base-T built-in Ethernet switch
  • Power over Ethernet (PoE) according to IEEE 802.3af or external power supply (EU, US and UK power adapters)
  • Sidecar module support for OpenStage Key Module 15

Housing, Control elements

  • 3 navigation keys
  • 8 free programmable keys (with paper labels)
  • 3 fixed function keys for speaker, messages and menu with red LEDs
  • Volume keys (Loudspeaker/+/-)
  • Keypad with 12 keys
  • not tiltable LCD 2 line display
  • Various housing colors (ice blue, lava)
  • Wall mountable

Detailed product specifications

Tiltable display (pixels, type) 2 lines, 205*41 pixels (not tiltable, fixed viewing angle of 30°)
Backlit -
Fixed function keys
(pushbuttons, partly illuminated)
3 red LEDs
Freely programmable touch keys
8 keys
with red LEDs
Mode keys
(touch keys, illuminated)
Optical call alert -
Volume adjustment +/- key
Navigation element 3 keys for navigation
Bluetooth V2.0
(vCard support and headset profile)
Headset jack for corded/cordless headsets -
USB Master -
OpenStage Key Module Yes (max. 1)
OpenStage Busy Lamp Field (not for
HiPath 4000, OpenStage 40 HFA only)
Integrated Ethernet switch 10/100 Base-T
G.711 (64 kbit/s a/μ-law)
G.722 (64 kbit/s)
G.729AB (8 kbit/s)
Open listening Yes
Full duplex hands-free Yes
Echo canceling for local echo (AEC)
full duplex
See section OpenStage applications -
Security features
Layer 2 authentication (802.1x) Yes
IEEE802.1Q Yes
(DIFFSERV and IEEE802.1p)
Power supply
External power supply unit (EU, US or UK) Yes
Power over LAN: IEEE 802.3af Yes
PoL class Class 1
Technical data
(height x breadth x length [mm])
70 x 240 x 221
Weight (kg) 0.783
Colors ice blue or lava

Product Documentation

OpenStage HFA_SIP_Data Sheet_Issue 8

This item is available in the following models

Model Code Retail Weight Information
OpenStage 15 SIP ice-blue L30250-F600-C176 $0.00 0.00
OpenStage 15 SIP lava L30250-F600-C177 $0.00 0.00

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