The Smart & Cost-Effective Alternative to ISDN
Keeps Your Current PBX Phone System Working
With ISDN services coming to an end, there’s no better time to switch your business phone system to Prosum’s SIP Trunks & low-cost call plans.
SIP Trunks are IP-based connections giving you the flexibility to make calls from your current phone system. They provide the added benefits of low-cost phone calls and are easily scalable to meet your business needs. SIP Trunks are ideal for organisations of all sizes looking for high quality, cost-effective, scalable telephone lines.
SIP Trunk Call Plans
Get reliable connectivity for your PBX phone system with Prosum’s SIP Trunks Plans & low call rates
With flexible PAYG & Unlimited SIP Trunk Call Plans, there’s a solution for every business.
All pricing is ex. GST
Quick & Easy to Setup
Keep Your Number
No Lock-in Contracts
Cancel Plan Anytime
Pay-as-you-go for all the calls you make every month within Australia.
- Includes up to 5 lines.
- $3.00 thereafter per SIP Trunk
- Local calls: $0.10 per call
- National calls: $0.05 per minute
- Fixed to mobile: $0.13 per minute
- 13/1300 outbound: $0.30 per call
Make unlimited calls to local, national & fixed to mobiles within Australia.
Per SIP Trunk
13/1300 outbound: $0.30 per call
Keep or purchase numbers.
*Number porting is subject to your existing carrier’s number porting arrangement.
Why Prosum's SIP Trunks?
Enjoy Immediate Cost Savings
Say goodbye to high phone line rental costs and save with flexible SIP Trunk call plans & low-cost call rates.
Scale as Needed
As your business grows, add additional call capacity quickly & easily when and where you need it.
Experience High-Quality Calls
Your private, dedicated bandwidth with QoS, ensures your voice calls are always heard crystal clear.
Keep your calls flowing
Unplanned disruptions? 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 Current PBX
No need for costly hardware updates. Our SIP Trunks ensure broad compatibility.
We Help Businesses Like Yours Achieve Success
25+ Years Experience
100% Australian Owned
"Your team is amazing, extremely helpful and have delivered a product that is second to none"
THE TEAM AT ELITE PROPERTY MANAGEMENT GROUP