It work on the basis of  OpenScape Business for modern and future-proof all-in-one communication solution (PABX) for Unified Communication & Collaboration, specially tailored to the requirements of small and medium sized enterprises with one or more locations. It offers:

  • Best in Class and Award winning Voice & UC Solution for SMB
  • Scalable from 2-2000 Users for Standalone and Multisite environments
  • All-In-One Solution incl. feature rich Voice, Presence, Conferencing, Contact Center, Messaging, IM, Mobility, Fax
  • Support of any given end-customer infrastructure incl.comprehensive virtualization-options for Voice & UC
  • Easy-to-order & pre-packaged, easy-to-install
  • Software Upgrades and Service included for 3 or 5 years
  • Ready for new All-IP / ITSP based Services (SIP Provider)
  • Connectivity with CIRCUIT (WebRTC) to provide additional Services like Video, Screenshare, etc.


OpenScape Business

OpenScape Business offers small and medium-sized enterprises everything they need for their individual and diverse communication requirements, unified in a single flexible and scalable solution. The OpenScape Business architecture allows use independently of the existing telephony infrastructure regardless of whether this is classic telephony, IP or DECT. From powerful telephony to a feature-rich set Unified Communication (UC) solution, OpenScape Business always provides with the right solution. With Circuit, the Unify cloud-based WebRTC solution connected to OpenScape Business, customers experience hin teams can easily be considerably improved.

As standalone system up to 1500 subscribers and in networked systems up to 2000 subscribers can be connected.


New Features

Since market introduction the feature set of OpenScape Businsse has been continuously enhanced and improved. The following link contains an overview about the SW versions and the enhancements.

OpenScape Business Models

Different models are available for the use of telephony and UC functionality.

OpenScape Business X1 OpenScape Business X3 OpenScape Business X5 OpenScape Business X8 OpenScape Business S
Rack systems rack version rack version OSBiz X8.png
Wall systems OSBiz X1 W.jpg OSBiz X3 W.jpg OSBiz X5 W.jpg
Server systems OSBizS3.png

Hardware Platforms

OpenScape Business X1, X3, X5 or X8 are “All-In-One” HW platforms with onboard IP access and support for up to 500 subscribers with IP, digital (UP0E), ISDN (BRI), analog (a/b), cordless (DECT) devices. UC Smart application is fully embedded. Connection to public WAN is done via SIP (LAN), ISDN (BRI and PRI) or analog trunks.

UC Booster Platforms

Two UC Booster options are available for OpenScape Business X3/X5 or X8:

  • OpenScape Business UC Booster Card is a Plug-In module for OpenScape Busness X3,X5 and X8. It is required for the UC Suite solution up to 150 UC users
  • OpenScape Business UC Booster Server is required for OpenScape Business X3/X5/X8 in case of of more than 150 UC users. The UC Booster Server is based on Linux (Novell SLES) and can be operated either on a server HW directly or in vitualized environment using VMware vSphere.

By using the UC Booster options the X3R, X5R and X8 models also can be enhanced with the following functions:

  • Open Directory Service
  • CSTA interface for connecting external applications
  • OpenStage Gate View with up to two cameras

Software Platforms

OpenScape Business S is the server-based “All-In-One” telefony and UC platform, which supports up to 1500 IP subscribers and IP (SIP) connection to the public network (WAN). It is designed for Linux (Novell SLES) operating system and can be operated either on a physical or on virtual machines with VMware vSphere. OpenScape Business S can be networked with OpenScape Business X1, X3, X5 or X8 as gateway for ISDN or anlog trunks or TDM / analog devices.


OpenScape Business offers a unified software solution architecture based on modern and innovative communication technologies.

  • All-In-One Unified Communication solution for small and medium enterprises
    • Integrated voice services
    • Presence management (presence status)
    • Status based call forwarding
    • Call Journal
    • Favorites list
    • Dialing by mouse click
    • Visual voicemail
    • Drag and Drop Conference
    • Directory access with database connection
    • Mobility support
    • Fax support
    • Integration into business processes
    • Instant Messaging (IM)
    • etc.
  • Multichannel Contact Center
  • Integration of OpenScape Web Collaboration
  • Connectivity to Circuit
  • Multiple Sites support
  • Unified solution architecture
    • Scalable and flexible HW / SW and licensing
    • Easy to handle migration from HiPath 3000 to OpenScape Business (System box and almost all existing devices can be reused only the motherboard and the SW has to be replaced)

Voice features

  • Making calls: Setting up a connection, e.g., via speed dialing or directories
  • Call Signaling, Calling Line ID: CLIP, CLIR, COLP und COLR.
  • Functions during the call: Holding, redirecting and transferring calls
  • Controlling availability: Call forwarding and call forwarding – no answer
  • Conferencing: Different types of application-controlled and phone-controlled conferences
  • Optimizing communication: Handling calls more efficiently and sending texts to internal subscribers
  • Easy Operation: Resetting activated features, Direct Inward System Access (DISA) and multilingual text output
  • Working in a team (groups): Multiple subscribers and phones can be reached under one station number
  • UCD (Uniform Call Distribution): Uniform distribution of incoming calls to a group of subscribers (UCD group).
  • Emergency Calls: Hotline/Hotline after timeout or an emergency service
  • etc.

Supported phones and devices

  • OpenScape Desk Phone CP (IP/HFA, SIP)
    • OpenScape Desk Phone CP 200/205, 400, 600
  • OpenStage phones (IP/HFA, SIP and T)
    • OpenStage 10 T, 15,15 T,40, 40 G, 40 T, 60, 60 G, 60 T
  • OpenScape Desk Phone (IP,/HFA, SIP)
    • OpenScape Desk Phone IP 35G and OpenScape Desk Phone IP 55G
  • OpenStage Key Modules
    • OpenStage Key Module 40, 60 and 80 for OpenStage 40 and 60
    • OpenStage Key Module 15 only for OpenStage 15
    • OpenStage Busy Lamp Field 40 only for OpenStage 40/60 HFA and OpenStage 30 T / 40 T / 60 T
  • Cordless CMI/DECT – IP/DECT telephones 
    • OpenScape DECT Phone SL5, OpenScape DECT Phone S5, OpenStage SL4 professional, Gigaset S4 professional, OpenStage M3
  • PC Clients (HFA, SIP)
    • OpenScape Personal Edition (including Video support for SIP)
  • SIP phones (UC Suite) / AP adapter
    • SIP phones with RFC 3725 support.
    • Mediatrix 4102S (for connecting 2 Analog phones or G.3 FAX devices)

WLAN phones

  • OpenStage WL3
  • Analog and ISDN phones
    • Analog (a/b) phones
    • Digital (S0) ISDN phones


Devices, which are no longer part of the current product portfolio of Unify, (such as optiPoint 410/420/500; Gigaset Handsets: SL3/S4/M2; OpenStage 5/20/80) can still be connected and operated with OpenScape Business. In case of technical problem no support is given by Unify if the milestone “End od Support” has been reached. For further details such as the required software versions for each device, refer to the respective technical release notes.
Optiset E devices cannot be operated in general.

Unified Communications

OpenScape Business provides two alternativ flavours of Unified Communications, depending on the needs:

UC Smart
UC Smart SW is fully embedded within the OpenScape Business SW running either on the motherboard of OpenScape Business X3/X5 and X8 or on the UC Booster. It comprises the following Unified Communications and Collaborations features.

  • Presence incl. status based announcements
  • Conference planned/adhoc
  • Favorites List incl. Call Status
  • Directories
  • Call Journals incl. Reminder
  • Status based Call Forwarding
  • Call Control (CTI) incl. dialing by hotkey
  • Visual VoiceMail Control
  • Instant Messaging (Chat)
  • Web Collaborationt

The UC Smart solution offers two clients:

  • myPortal Smart
  • myPortal to go

UC Suite
UC suite comprises extensive functions for such as:

  • Presence incl. status based announcements
  • Conference planned/adhoc
  • Favorites List incl. Call Status
  • Directories, opt. with ext. database connection
  • Call Journals incl. reminder
  • Status based Call Forwarding
  • CallMe!
  • Personal Auto Attendant
  • Call Control (CTI) incl. dialing by mouse click or hotkey
  • Voice Message Box
  • Fax Message Box
  • Notifications
  • Instant Messaging (Chat)
  • Voice Recording
  • Multichannel Contact Center
  • Web Collaboration

Operation of UC Suite in combination with OpenScape Business X models requires either the UC Booster Card od the UC Booster Server, in case of extended number of Unified Communications users. No additional UC Booster HW is required in case of OpenScape Business S.

The UC Suite solution offers several Unified Communbications clients:

  • myPortal for Desktop
  • myPortal for Outlook as Add On for Microsoft Outlook
  • myAttendant
  • myPortal to go

Multichannel Contact Center

The Multichannel Contact Center option is available for OpenScape Business UC Suite. The embedded Contact Center solution offers two clients for use within the contact center environment:

  • myAgent as agent and supervisor desktop application
  • myReports as client for report creation

The information provided in these documents contains merely general descriptions or characteristics of performance which in case of actual use do not always apply as described or which may change as a result of further development of the products.

Mobility options for mobile employees

OpenScape Business offers embedded mobility services and solutions for any enterprise. These comprise:

  • Integration of smartphones of mobile workers
  • Support of cordless and WLAN telephones within the office
  • DeskSharing solution
  • Teleworking solution

OpenScape Business Mobility provides features like:

  • Smartphone and tablet PC integation into UC solution
  • One Number Service regardless of location and used device
  • Dual mode telephony (UMTS / WLAN) support at public hotspots
  • Mobile Logon
  • CallMe function
  • VPN support
  • etc.