OpenScape Business
OpenScape Business is the modern and future-proof all-in-one solution for Unified Communication & Collaboration, specially tailored to the requirements of small and medium-sized enterprises with one or more locations.
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 enterprises with up to 1500 subscribers, or 2000 subscribers in one network, 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. Learn more at

All-in-one solution for small and medium-sized enterprises

  • Integrated voice services, presence management (presence state), Drag & Drop conference, Visual voicemail (voice boxes),  Auto Attendant, Multimedia Contact Center, IM (Instant Messaging), mobility, directory access with database connection, fax, integration in business processes and much more
  • UC clients individually matched to the work station and work processes
  • Interface integration of OpenScape Web Collaboration
  • Solutions for customers with one site or network-wide solutions with multiple sites

Uniform solution architecture
OpenScape Business provides a uniform solution architecture.


OpenScape Business models

OpenScape Business models Various OpenScape Business models are available for different existing infrastructure sizes: X1, X3, X5, X8.

In addition, it is possible to operate the OpenScape Business software on a standard server (softswitch), of course also in fully virtualized environments.

Supported subscribers

Total number of IP, analog and digital subscribers

  • X1: up to 30 subscribers
  • X3, X5, X8: up to 500 subscribers
  • OpenScape Business S: For upto 1500 IP subscribers

Learn more about OpenScape Business