Unify IP PBX
Unify Communications
Unify Embrace the perfect tool for key conversations
– your voice –
Tweet. Post. Chat. Text. Email. On and on. It’s fantastic to have so much choice. But, when the stakes are high, nothing replaces talking. Sometimes, you need to simply pick up the phone.
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Unify Products
Unify OpenScape X1
Until now there has not really been a solution for small or micro businesses (3 users plus) the OSB X3 is just a little oversized for a 3+ user business, will be released for sales in the South Africa for smaller businesses up to 30 users.
This is great news for small businesses starting up on a tight budget as the system offers VOIP telephony both SIP trunking and IP clients, voicemail and entry level unified communications.
The Unify Siemens system is also extremely flexible to suit customers to just move into any infrastructure as the system will have digital and analogue ports on-board this allows the use of either a traditional telephony cabling or full Cat 5/6 infrastructure, this means customers on a budget are not forced into investing in a full network infrastructure from day 1 and therefore allowing the customer to grow the business at their own rate. Newest member of the OpenScape Business family
Unify OpenScape X1
The Unify Siemens system is also extremely flexible to suit customers to just move into any infrastructure as the system will have digital and analogue ports on-board this allows the use of either a traditional telephony cabling or full Cat 5/6 infrastructure, this means customers on a budget are not forced into investing in a full network infrastructure from day 1 and therefore allowing the customer to grow the business at their own rate. Newest member of the OpenScape Business family
- Supports up to 30 users at an attractive positioning and pricing level below OpenScape Business X3
- Provides IP connectivity & UC Smart in addition to TDM
- The ideal choice for small customers with SIP Trunk CO connect
- Market – Driven Solution supporting all required interfaces
- Providing ONE vendor strategy with OpenScape Business Family
Unify Siemens Key figures
- up to 30 Users in total ( TDM / IP )
- 8 UPO/E, 2BRI, 4FXS, SIP,DECT, MoH
- max. of 30 UC Smart / 30 Mobile App Users
- Up to 30 lines with OSBiz TAPI 120 V1
- DECT: 7 Base Stations / 16 Handsets
Unify OpenScape X3

The Unify Siemens OpenScape X3 is a versatile rack / wall mounted system ideal for a multitude of situations small to medium sized businesses experience.
The Unify Siemens X3 is a flexible and scalable IP system, but also supports all necessary digital and analogue interfaces making it ideal for 5 to 40 users utilizing either analogue or ISDN2 lines. This makes it suitable for every customer’s requirements. The X3 supports any combination of IP, analogue, and digital telephones, as well as PC clients.
Unify OpenScape X5

The Unify Siemens OpenScape X5 is a flexible mounted system offering solutions to suit many different applications, from basic systems to advanced and complex solutions. This is a real-time IP system that also supports all necessary digital and analogue interfaces. Interactive user prompting via display and dialogue keys on OpenStage handsets provides for quick and easy activation of features. Ideal for 12 to 80 users with ISDN2, ISDN30 or analogue lines. The universal software concept offers a professional range of features normally only found on larger systems.
Unify OpenScape X8

The Unify Siemens Openscape X8 is the largest of the OpenScape Business family
Unify Siemens supports up to 128 channels of ISDN lines, 60 channels of SIP as well 500 IP handsets and up to 328 digital or analogue handsets.
Not only does this allow you to use a mix of trunks depending on your business needs, it allows you to grow the system right up to a fully featured OpenScape UC platform. Native IP connectivity allows users to share their applications and resources within a single location or throughout a multi-site network. The X8 delivers intelligence in communications.
The Unify OpenScape Business family offers all-in-one unified communication (UC) solutions tailored for small to medium enterprises. The X1 model serves as an entry-level system for startups and home offices, while the X3, X5, and X8 models provide increasing capacity for larger user bases and more complex networking requirements.
Unify OpenScape Business Feature Comparison
| Feature | OpenScape X1 | OpenScape X3 | OpenScape X5 | OpenScape X8 |
|---|---|---|---|---|
| Max Subscribers | Up to 30 | Up to 500* | Up to 500* | Up to 500 |
| Ideal User Count | 1 – 30 users | 5 – 40 users | 12 – 80 users | Up to 500 IP users |
| Mounting Options | Wall | Wall or Rack | Wall or Rack | Standalone or Rack |
| UC Solution | UC Smart (embedded) | UC Smart / UC Suite | UC Smart / UC Suite | UC Smart / UC Suite |
| Wireless Support | 7 Base Stations / 16 Handsets | DECT supported | DECT supported | DECT supported |
| Supported Interfaces | IP, Analog, Digital, BRI | IP, Analog, Digital, ISDN2 | IP, Analog, Digital, ISDN2/30 | IP, Analog, Digital, ISDN, SIP |
| Dimensions (approx.) | 470 x 370 x 80 mm | 450 x 460 x 130 mm (W) | 450 x 460 x 200 mm (W) | 490 x 440 x 430 mm |
*Note: While X3 and X5 can support up to 500 subscribers as part of a standalone system, they are typically marketed for smaller user brackets (e.g., 40-80 users) for optimal performance and physical port availability.
Key Shared Capabilities
Booster Options: The X3, X5, and X8 models can be enhanced with UC Booster Cards or Booster Servers to support more advanced UC functionality and a higher number of UC users.
Unified Communications: Includes presence management, chat, conferencing, mobility support, and voicemail.
Multi-Site Networking: Allows up to 2,000 employees to be networked across different enterprise sites.
