SIP Trunks

Connect your on-premise telephony to a future-proof solution and make calls over any network.

A flexible voice calling solution delivered over the internet.

SIP Trunks allows your business to connect to the Public Switched Telephone Network (PSTN) to access high-definition voice services over an active internet connection. It provides an IP-based connection, allowing you to make calls from existing phone systems.

Enjoy the freedom of using any internet provider without requiring a dedicated IP network. Our solution is highly scalable, allowing you to add more channels quickly and easily as your needs change.

Our service is highly secure and resilient with built-in redundancies, all hosted in the Vocus cloud. Tailor a solution that’s fit for your business—choose from a range of calling plans, devices, and add-on services for one simple monthly cost.

Key features

Maintain existing services

Migrate your existing numbers from compatible providers and continue using your current phone system (porting fees may apply).

More Secure Calling

Adding an additional layer of security, TLS/SRTP are now optional features on our OTT SIP Trunks.

Simplify service management

Our online management portals make it easy to add or remove users, access billing, or reach out for support.

Business continuity options

Stay connected during an outage with the ability to route calls to a recovery site or number with our business continuity add-on.

Download SIP Trunks Brochure

SIP Trunks diagram

Case study: Amnesty International Australia

Value and outcomes are important to all industries, but probably none as much as the not-for-profit sector. Most need to punch above their weight to deliver outcomes with limited assets. This was the case with Amnesty International Australia, an organisation that’s needed to evolve rapidly to meet the demands of diverse stakeholders, who want a strong presence in the digital world.

“Walk around our office and you’ll find nearly everyone engaging in high-definition video conferencing from their desks. They’re working with stakeholders, suppliers, and colleagues who are in other states or working from home."

Pete Thomas, Chief Operating Officer
Amnesty International Australia

View case study

Why choose Vocus for SIP Trunks

Your trusted technology partner

We have the in-house expertise to design and deliver solutions tailored to your needs.

Specialist expertise

We’re backed by a partner network offering extensive professional services.

Integrated solutions in one place

We offer a suite of leading network, cloud, and connectivity solutions.

Support when you need

Our 24x7 Australia-based customer service means we can support you every step of the way.

Get in touch with our team today

Call us on 1300 88 99 88 or fill out a contact form to find out how Vocus can help your business.