Hosted PBX

Reliable & Affordable Telephony That Grows With Your Business

Low Call Costs – No Onsite Equipment to Maintain & Buy – Dedicated Australian Support

Let’s Talk About What Prosum Can Do For You.

Contact us for a free consultation & tailored Hosted PBX phone system solution today.

1800 007 229

Prosum’s Hosted PBX Is More Than A Replacement For Your Business Phone System.

It unifies your business communications, so all users have access, regardless of location, resulting in improved productivity.



Prosum’s Hosted PBX removes the need for capital investment in technology that ages and offers predictable & straightforward pay-per-user monthly plans.

And, with no PBX equipment to buy and manage, there are lower costs and easily scales to meet your requirements.

  • Ready to improve your business communications and get your phone system into the cloud?

    Contact us on 1800 007 229 or fill out the form to find out more.

Hosted PBX Benefits

Have a single brick and mortar number across multiple devices.


Have access to the corporate phone environment while not in the office.


See users’ presence and integrate with Outlook and CRM.


Send Instant Messages.

Use video on demand, one-on-one and in group sessions.

Share documents and workspaces in real-time.

Prosum’s Hosted PBX enables the way you need to work and provides seamless communications regardless of device or location.

Sip trunks

By choosing Prosum’s Hosted PBX, your business will benefit from a reliable and affordable telephony solution that grows with your business.

  • Flexible pay-per-user monthly plans.
  • Low Call Costs.
  • No Onsite Equipment to buy.
  • No Maintenance Fees.
  • Expert Australian Support.

our hosted pbx plans

Prosum OFFICE Plan

Prosum OFFICE Plan

Ideal for small businesses with five users.

Features include:

  • Basic telephony features.


Ideal for businesses with users on the move.

Features include:

  • Basic telephony features
  • Shared call appearance on multiple devices
  • Busy lamp field
  • Softphones for desktop and mobile
  • Outlook integration




Ideal for business wanting to collaborate across multiple devices.

Features include:

  • Basic telephony features
  • Prosum Executive features
  • Instant Messaging
  • Presence
  • Multi-party collaboration
  • Voice, video, screen sharing and chat
  • Uc-One and Communicator

Want to know more about our Hosted PBX plans and pricing?

Contact us for a free consultation & tailored Hosted PBX phone system solution today.

1800 007 229

About Prosum

Prosum is a leading Australian provider of Hosted PBX phone systems to businesses in Melbourne and Australia-wide.

We specialise in business voice solutions, communication system advice, installation, service and support.

Prosum can provide your business with recommendations on the best-Hosted PBX option for your business and tailor a solution to meet your unique business requirements. From on-premises and cloud phone systems to SIP trunks, business-grade data, internet & contact centre solutions, we help businesses improve their communications. We strive to help organisations get the most from the latest communications technology.