Hosted PBX

Hosted PBX Phone Systems Melbourne

Prosum’s Hosted PBX is more than a replacement for your business phone system.

Prosum’s Hosted PBX unifies your business communications, so all users have access, regardless of location, resulting in improved productivity.


It removes the need for capital investment in technology that ages and offers predictable & straightforward pay-per-user monthly plans.

With no PBX equipment to buy and manage, there are lower costs, and Prosum’s Hosted PBX 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.

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

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.

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.

explore 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?

Call or team on 1800 007 229, or fill out our online contact form to request a quote.

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.

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.

Our Business Voice Solutions

Business-grade Internet

Business-grade Internet

Prosum’s business-grade NBN & Business-grade Fibre internet are designed to be as robust as possible, ensuring fast internet access.

SIP Trunks

SIP Trunks

Prosum SIP is a smart and cost-effective way to connect your business to the Public Switched Telephone Network (PSTN).

1300 & 1800 Numbers

1300 & 1800 Numbers

Prosum’s Inbound numbers provide your business with a national presence & make it easy for your customers to contact you anywhere in Australia.


Get in touch to find out more about our Hosted PBX phone system and business voice solutions. Call us on 1800 007 229 or fill out our online form.