Promark
WhatsApp
PBX & UCFeatured

OpenScape Business

Integrated UC platform for SMB and mid-market — voice, DECT, messaging and conferencing in a single system.

Platform guide: what it does, model comparison, FAQ
Unify

Scope / deliverables

  • IP, TDM and hybrid line support — phased migration to IP without losing existing infrastructure
  • Current software release V4 (July 2026) — V3 systems under active SWA move up via a software upgrade
  • Built-in UC: single number, presence, IM and softphone (incl. myPortal to go mobile client)
  • Integrated DECT — no extra controller; 7 base stations on X1 and X3/X5 (15 with SLUN on X3/X5), 64 on X8
  • SIP trunk, analog/digital PSTN lines and branch survivability simultaneously
  • X3/X5/X8 appliance or VMware/Linux server deployment options
  • Promark: system design, license BOM, installation and commissioning

Tags

PBXUCSMBHybridIP/TDMDECTSIPVMware

Products in This Family

OpenScape Business S — Server-Based UC PBX (Software)

The pure software member of the OpenScape Business family — up to 1500 IP subscribers with UC Suite functionality. X1–X8 cabinets stop at 500 subscribers; beyond that, Business S takes over. Runs on a Linux server; fully virtualized with VMware vSphere or MS Hyper-V, operated in your own data centre or hosted (private cloud). Public network connectivity via ITSP (SIP); X-series cabinets join the network as gateways where digital/analog trunks are required.

Details
OpenScape Business X1R — 1U Rack UC Platform (Small Office)

OpenScape Business X1R — 1U Rack UC Platform (Small Office)

Compact 1U rack UC platform for small offices and branches — entry-level OpenScape Business model hosting IP, DECT and Bluetooth phones for up to 50 UC users on a single platform, connecting directly to cloud providers via SIP trunks.

Details
OpenScape Business X1W — Wall-Mounted UC Platform (Small Office)

OpenScape Business X1W — Wall-Mounted UC Platform (Small Office)

Wall-mounted, ice-blue housed compact UC platform — supports up to 50 UC users with IP/DECT phones, SIP trunks and Microsoft Teams integration in small offices and branches without the need for a rack cabinet.

Details
OpenScape Business X3R — 2U Rack UC Platform

OpenScape Business X3R — 2U Rack UC Platform

Compact 2U rack UC platform for mid-size offices — a hybrid telephony system scaling up to 500 users, with IP, digital, analog and DECT endpoints on a single platform.

Details
OpenScape Business X3W — Wall-Mounted UC Platform

OpenScape Business X3W — Wall-Mounted UC Platform

Wall-mounted, ice-blue UC platform — delivers the same 500-subscriber capacity as the X3R without a rack cabinet; ideal for office, clinic and retail scale IP + digital + analog + DECT mixes.

Details
OpenScape Business X5R — 3.5U Rack UC Platform (Mid-Size Enterprise)

OpenScape Business X5R — 3.5U Rack UC Platform (Mid-Size Enterprise)

3.5U rack UC platform for mid-market organizations requiring higher analog/ISDN port density — same 500-subscriber ceiling as X3R, but with much wider analog (68), ISDN BRI (48) and digital (56) port counts.

Details
OpenScape Business X8 — Modular Shelf UC Platform (Enterprise)

OpenScape Business X8 — Modular Shelf UC Platform (Enterprise)

Enterprise UC platform with modular shelf architecture for high port density — 384 analog, 384 digital, 250 DECT and 180 ISDN S2M (PRI) ports, the widest hardware capacity in the X series. Headquarters platform for hotels, hospitals and campuses.

Details