Multi-Tenant PBX

Star2billing’s Multi-Tenant PBX system has been developed by blending various technologies such as virtualisation, PBX software, and A2Billing in a secure and stable manner to isolate one company’s PBX from another’s and connect into existing PSTN lines.

Diagram of Multi-Tenant PBX
Diagram of Multi-Tenant PBX

It is specifically designed for landlords that want to provide PBX services within their own suite of hosted offices, and also allows the landlord to provide receptionist services.


Landlords & System Integrators

Provide PBX and answering services to office tenants and enjoy a revenue stream from PBX rental and phone calls.


Enjoy the benefits of an enterprise standard PBX with all the expected features to present a professional impression to the general public.

Core Features

Landlord and System Integrator

  • Simple Configuration – PBX has a well documented user interface
  • Fast Deployment – Add new PBX’s with a simple wizard.
  • Scalable – Simply add more virtualisation servers to scale system
  • New Revenue Streams:
    • PBX rental
    • Call Termination
    • DID Resale
    • Support, adds moves and changes
    • VoIP telephones
  • Customer Retention – You provide the customer’s telephone numbers
  • Simple Deployment – For any customer with suitable broadband
  • PSTN Compatible – Connect to existing lines for emergency calls
  • Receptionist Services – Supports landlord provided answering services

Customer Benefits

  • The blowfish effect – Customer can seem larger than they really are.
  • Low investment – No expensive PBX services or lines to finance.
  • Simple to Use – Well documented and flexible user interface
  • Range of PBX features:
    • IVR system for skills based routing
    • Voicemail and voicemail to email
    • Time conditions
    • Follow-Me and Call transfers
    • Ring Groups and Queues
    • Call Conferencing
  • Self Management – Manage your own PBX
  • Supports home working – Connect from a suitable broadband connection

Technical Details

Star2billing’s hosted PBX is usually installed on one physical server and can be fitted with line interface card to attach to analogue, BRI or PRI’s. SIP trunks can also be supported.

The each PBX is configured with a SIP trunk to A2Billing which in turn least cost routes calls to the carriers via SIP trunks or the PSTN and charges for the call.

Products to consider

Consider a Star2Billing Multi-tenant PBX System providing a revenue stream for landlords and comprehensive PBX services for tenants.

Multi-Tenant PBX Installation

Full Training included
  • Monthly Licensing Fee: €0
  • Install Commences: One working day
  • Training: On A2Billing and the PBX
  • Deployment Support: 8 Hours over the first month
  • Ongoing Support: Optional with contract
  • Servers Required: 1
  • Extensions: ±100’s
  • Discounts: Available on the basis of a reduced support and training commitment

For Value Add Service Providers requiring an IP-Centrex solution to provide hosted PBX services to the general business public, please see Star2Billing’s hosted PBX Systems

Click to find out more about the Star2Billing's Hosted PBX

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