Difference between revisions of "OpenScape Desk Phone IP (HFA)"

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== Firmware / Software ==
== Firmware / Software ==

Revision as of 09:08, 11 August 2014

OpenScape DP IP 35G persp.jpg OpenScapeDP IP 55G.jpg
OpenScape Desk Phone IP 35G OpenScape Desk Phone IP 55G

The OpenScape Desk Phone IP family consists of the HFA phones shown on the right.

You can download the Open Source Software used in this phones.


Phone range

Example of an administration settings screen on OpenScape Desk Phone IP 55G

Common features

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

Hardware related differentiating factors


Display features OpenScape Desk Phone IP 35G OpenScape Desk Phone IP 55G
Technology LCD TFT
Color Monochrome 16 bit depth
Size 205x41 pixel 320x240 pixel (QVGA)
Diagonal N/A 5.7"
Lines 2 (24 characters each) Graphics


Keys and LEDs features OpenScape Desk Phone IP 35G OpenScape Desk Phone IP 55G
Fixed function keys (Pushbuttons) 10 (6 with red LEDs) 14 (9 with red LEDs)
Freely programmable keys 3 (keys with red LEDs) 8 (keys with red LEDs)
Optical call alert Red LED Red LED
Volume adjustment via +/- keys via +/- keys
Navigation element 3 navigation keys 4 way navigator

Built-in applications

Application OpenScape Desk Phone IP 35G OpenScape Desk Phone IP 55G
Call handling tick.gif tick.gif (graphical)
Phonebook Personal phonebook
Directory access (LDAP)
Personal phonebook
Directory access (LDAP)
Call log / history tick.gif (HiPath provided) tick.gif (local and HiPath provided)
Mailbox tick.gif tick.gif
Menu/Services tick.gif (User/Admin) tick.gif (User/Admin/Applications)
Help - tick.gif


Interfaces OpenScape Desk Phone IP 35G OpenScape Desk Phone IP 55G
DECT Headsets tick.gif tick.gif
Headset jack (121 TR9-5) tick.gif tick.gif
USB Master - tick.gif


All OpenScape Desk Phones are shipped with a printed document providing brief instruction regarding installation and operation. For both user and administrators, a comprehensive and updated documentation is provided as PDF files.

International (English)  English

Deutschland  Deutsch

Firmware / Software

The HFA firmware provides encryption capabilities. Hence its distribution must follow legal requirements which do not allow unrestricted SW distribution via the Internet. The firmware is only provided by Siemens technicians or by official Siemens Partners. Customers with self-care contracts will have access to SW within the Partner Portal Web portal (login required).

The Application software of the OpenScape Desk Phone IP phones can be transferred to the phone:

Current software releases

The actual Application software is OpenStage / OpenScape Desk Phone HFA V3 R0.16.0.

Version Release Release date Release note
V3 R0.16.0 05/30/2014 OpenStage HFA V3 R0.16.0


To get an overview of all release notes for the OpenScape Desk Phone IP (HFA) family see the history of all Release Notes.

Interoperability Matrix

For detailed interoperability information please check OpenScape Desk Phone IP HFA interoperability matrix.

OpenStage Manager

The OpenStage Manager is a comprehensive and powerful tool for your OpenScape Desk Phone 55G telephone. The main function of the OpenStage Manager is to serve as an interface between your phone and PC, thus enabling convenient phonebook editing on your PC. OpenStage Manager allows you to synchronize contacts in Microsoft Outlook with the contacts in your telephone.

Mass deployment

See Mass Deployment.

Add-On devices, Adapters and Accessories

See OpenScape Desk Phone Accessories.

See also

Show IP related