On-site PBX Single Tenancy

8 SIP with ISDN2e

  • Please call our Freephone number for more information on are large range of solutions
  • On-site PBX Single Tenancy


30 SIP with ISDN2e

  • 30 SIP Trunks
  • ISDN2e
  • On-site PBX Single Tenancy


30 SIP with ISDN30

  • On-site PBX Single Tenancy
  • 30 SIP Trunks
  • ISDN30


120 SIP with ISDN30

  • On-site PBX Single Tenancy
  • 120 SIP Trunks
  • ISDN30


Feature richness

Business processes can be enhanced through productivity and flexible working features. The VoIP IP PBX range includes advanced features as standard, some of which are detailed below. For the most up to date feature listing, view our product information.

Small and Medium Enterprise (SME) onsite PBX has been specially developed for users who want to take advantage of the many benefits of IP telephony while still utilising legacy based telephone connectivity like ISDN.

SME PBX provides a full office phone system offering full small enterprise functionality at a fraction of the cost of comparable telephone systems.

Our systems are ideally suited to organisations looking to implement a phone system for between 2 to 250 users. The systems allow the flexibility and freedom for expansion through increased ISDN cards and IP compatible SIP trunks.  The systems are monitored and managed 24x7 by our Service Management Centre (SMC) and software features are automatically updated if you select this option, all this provides exceptional customer service.

Our hosted PBX's systems are fully resilient and provide our SME customers with the benefit from peak performance at all times.

SME PBX comes packed with advanced system functionality required by small and medium organisations and can be easily installed by experienced IT staff within your company we can simply deliver this to your office fully backed up with installation instructions and full remote telephone installation support.

Call routing

  • hunt-groups
  • auto attendant
  • queues
  • mobile twinning
  • flexible night mode

Unified Messaging

  • video calling
  • XMPP IM server with presence
  • voicemail to e-mail
  • fax to e-mail
  • web access to voicemail
  • unlimited voicemail boxes

Other key features

  • Call logging, statistics and itemised billing data
  • Hot desking
  • Built in Tannoy/Paging
  • Integral Conference Bridge
  • Music on Hold upload facility
  • TAPI module for CTI
  • Open Communicaitons Manager (OCM)

OCM Features

  • Desktop Call Manager
  • Web based with no install required
  • Drag and drop control
  • BLF/extension monitoring
  • Call History
  • System and personal contacts from system, CSV, Outlook
  • Auto-complete dial pad
  • Native Outlook integration
  • Presence and web based CRM screen popping

Additional features available on some units:

  • High availabiliy
  • Call recording
  • 50-way conference bridge
  • Call barging

Cost effectiveness

  • Business changes are streamlined
  • Costs reduced by simplicity of configuration and plug and play nature of handset connection.


  • No per phone licences or feature licences – completely licence free
  • Low time/cost overhead when adding extensions - simply buy a phone and plug it in
  • Scaling the company up or down has never been so easy
  • Customer isn't locked in to any specific handset family
  • Solutions available for business with up to 1200 users. Additional users can be catered for by linking together multiple PBX units.

Total control through web portal allowing you to make instant changes to your system

  • Full reporting facilities to monitor your call usage
  • Flexibility with expansion cards compatible with (ISDN, and IP based SIP Trunks)
  • Cost of ownership reduction due to Ultra Low Call rates over our own IP network cloud
  • Increased resilience due to multi-carrier service (remove single point of failure)
  • Comes pre-enabled with hunt grouping, IVR (automated attendant), multi-party conference bridge, voicemail and much more

Supports advanced unified communications features such as find me and voicemail to email Key Benefits

  • Simple to configure
  • All management done from simple to use web interface
  • User changes are simple
  • Setup of sophisticated configurations is quick and intuitive
  • Phone auto-configuration
  • Vast range of phones are plug and play
  • Attach to network and phone is ready to make calls
  • Assign to a user and incoming calls find the phone
  • Configuration is associated with physical phone, not where it is plugged in so desk move simply involves picking up phone and moving it to new desk
  • Uses existing LAN
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