Sip Trunks

Your smartest business choice is to save money when you switch to SIP Trunks for your business communication needs

Make and take calls with your existing PBX phone system and save with low-cost phone calls.

Cost Savings

Your business will benefit from reduced line rental and call costs.

Highly Scalable

Add additional call capacity quickly & easily when and where you need it.

Flexible Call Plans

With PAYG & Unlimited Call Plans, there’s a solution for every business.

Unplanned Disruptions?

No problems. Redirect your calls to your chosen recovery site or mobile number.


Direct Routing for MS Teams

Integrate SIP into MS Teams & transform it into a complete PBX replacement.

Keep Your Phone System

SIP Trunks integrate and can be used with a wide range of PBX’s.

SIP Trunk Plans

Pay-as-you-go for all the calls you make every month within Australia.

Starter Bundle

$15.00 mo.

  • Includes up to 5 lines.
  • $3.00 thereafter per SIP Trunk.
  • No lock-in contracts.
  • Cancel plan anytime.

All pricing is ex. GST.

Make unlimited calls to local, national & fixed to mobiles within Australia.

$53.00 mo.

per SIP Trunk

  • No lock-in contracts.
  • Cancel plan anytime.

*13/1300 numbers not included.

All pricing is ex. GST.

Keep or purchase numbers.


  • Single DID Number: $1.00 month
  • 100 DID numbers: $35.00 month
  • Transfer your number to Prosum: $195.00 once-off cost

*Number porting is subject to your existing carrier’s number porting arrangement.

Call Rates

Local calls


per minute

National calls


per minute

Fixed to mobile


per minute

13/1300 outbound


per call

We help businesses like yours achieve success

20+ Years Experience

100% Australian Owned

Carrier-Grade Network

End-to-End Solutions

  • "Your team is amazing, extremely helpful and have delivered a product that is second to none"


Start Cutting costs today

Our team of experts are more than happy to provide you with a tailored SIP Trunk solution for your business today. Fill out our online form to request a callback, or call us directly on 1800 007 229 and we’ll walk you through our SIP Trunk service – no strings attached.