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Quick Details

  • Place of Origin: Germany
  • Brand Name: Unify
  • Model Number: X3R
  • Type: PBX Telephone System
  • Certificate: ROHS


OpenScape Business X3R Unify - 

PBX - PABX - Telephone Phone switch Central


OpenScape Business is the modern and future-proof all-in-one solution for Unified Communication & Collaboration, specially tailored to the requirements of small and mediumsized enterprises with one or more locations. It offers:

  • UCC for Standalone and Multisite environments
  • Voice, Presence, Conferencing, Contact Center, Messaging, IM, Mobility, Fax
  • UI Integration of OpenScape Web Collaboration
  • Connectivity to Circuit


 OpenScape Business X1OpenScape Business X3OpenScape Business X5OpenScape Business X8OpenScape Business S
BRI Trunks42052128N/A
PRI Trunks0030180N/A
ITSP Trunks30606060180
Analog Stations420 Rack system
20 Wall system
56 Rack system
68 Wall system
Digital Phones82456384N/A
IP Phones205005005001500
Cordless/DECT Phones163232 Rack system
64 Wall system
Max.# of Phones305005005001500

Remarks: Figures are subject to change. For actual figures refer to the latest version of OpenScape Business Sales Information and Datasheet.



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 how the collaboration in teams can easily be considerably improved.

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

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)


For detailled feature descriptions have a look into the OpenScape Busisness datasheet or feature description Documentation.


Voice features 

  • Making calls: Setting up a connection, e.g., via speed dialing or directories 
  • Call Signaling, Calling Line ID: CLIPCLIRCOLP 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 

More information about supported features of SIP phones and their configurations are available could be found by reading Features and Configuration of SIP Devices page.

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


Please note
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


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.

OpenScape Business clients 

  UC SmartUC Suite 
UCmyPortal Smartx UC-Desktop-Client
 myPortal for Desktop xEnhanced UC-Desktop-Client
 myPortal for Outlook xUC-Outlook-Integration
 myPortal for OpenStagexxFor OpenStage 60 HFA
 myPortal to goxxMobility-Client for Smartphones / Tablets either as App or Web-based
AttendantOpenScape Business AttendantxxAttendant optional with UC presence
 myAttendant xUC Attendant
 Company Auto AttendantxxSlightly differnt featureset within UC Smart and UC Suite
Contact CentermyAgent xContact Center Client
 myReports xmyReports can also be used for Contact Center independent UC user reports


  • presence-aware switchboard application used by administrators, dispatchers or supervisor 
  • presents a single, consolidated view of all of the company’s users and their presence status, making it easy to transfer calls to employees when they are available 

Additional information can be found within this Wiki using the following link: 

Presents the full suite of contact center features from a single desktop view (call queue information, relevant customer information pop-ups accompany incoming calls, access customer data and call history)
Additional information can be found within this Wiki using the following link: 

myReports provides over 100 predefined standard reports. The historical reports are provided as graphs and/or table views.
Additional information can be found within this Wiki using the following link: 

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