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OpenScape Business X1R

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.

UCPBXRack 1U50 usersSMBBasic MainboardIP/DECT
OpenScape Business X1R — 1U Rack UC Platform (Small Office)

From the same family

Specifications

Form factor
1U rack
Dimensions (H × W × D)
43 × 436 × 250 mm
Weight
≈ 3.9 kg
Color
Black
Mainboard
V3 Basic
Max UC users
50
Max subscribers (total)
500
IP subscribers
max 500
Analog subscribers
max 4
Digital subscribers (UP0/E)
max 8
DECT (CMI)
max 16
SIP trunk / ITSP
60 (max 8 SIP providers)
ISDN S0 / BRI
—
ISDN S2M / PRI
—
Smart Voicemail
320
UC Voicemail
50
Microsoft Teams Interworking
max 150
Power
100–240 V AC, 50–60 Hz
Operating temperature
+5 °C to +40 °C
Humidity
5–85%

Key features

  • 1U rack form factor — 43 mm height, fits in small IT cabinets.
  • Up to 50 UC users licensed on Basic V3 Mainboard.
  • Max 500 IP subscribers (with licenses and add-on modules), 4 analog and 8 digital UP0/E ports onboard.
  • Up to 16 DECT (CMI) handsets integrated cordless.
  • 60 SIP trunk channels (max 8 ITSPs) — no ISDN, direct IP/SIP infrastructure.
  • myPortal: 50 Desktop, 50 @work, 50 Outlook + 4 parallel myAttendant.
  • Microsoft Teams Interworking 150 users; myPortal for Teams 50 users.
  • 320 Smart Voicemail boxes + 50 UC Voicemail users.
  • On-premises deployment: data stays in your network, no cloud dependency.
  • Current software release is OpenScape Business V4 (30.07.2026): X systems with a V3 mainboard and Business S move to V4 via a standard software upgrade; existing licences remain valid.

Typical applications

01

Small branch office — single dial plan for 5–20 user team, IP + DECT mix.

02

Single-site SMB — 30–50 employees, IP desk phone + Bluetooth headset, calls via SIP trunk.

03

Field site — warehouse, dealership or small construction site: silent 1U cabinet operation + DECT roaming.

04

Clinic / dental — 10–30 users: reception CP series + DECT (assistants) + voicemail.

05

Boutique hotel / B&B — compact PBX for 20–40 rooms, IVR + emergency call.

Related Solutions

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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.