Business SIP Trunks

Business SIP


NECALL Voice & Data is often contacted by small and medium business owners looking for a cheaper alternative to Telstra SIP Trunks.

NECALL is able is able to recommend VoIP Hosted PBX solution solutions or onsite VoIP phone systems. Calls are still carried over the Internet but the team at NECALL ensure that sufficient Internet capacity is available to carry the calls.

As an alternative to Telstra NECALL is able to customise the phone system to suit the business needs and requirements. Quick configuration changes can be managed by the NECALL team.

Check out our products page on our website or contact our sales team today and ask how we can help.

Telstra ISDN Product Cease Sale


While businesses using these products can expect plenty of early warning leading up to the exit, the clock is definitely ticking for companies relying on ISDN to find an alternative solution.


Important Time Frames:

  • 30th June 2018 – Cease sale on new or additional ISDN services for all customers, no new services will be available.
  • June 2019 – Disconnection will commence for existing ISDN connections.
  • By 2022 – All ISDN connections will be disconnected and the full network will be decommissioned.

NECALL can help you avoid the problems in migrating your business ISDN services to VoIP / SIP on the NBN, EFM or Fibre network.

The end of ISDN is nothing to be concerned about; with VoIP (Voice over Internet Protocol) and SIP trunks this is now a very reliable solution and offers more flexibility and features than the old technology of PSTN and ISDN services.

Telstra Business SIP


What is Telstra Business SIP?

Telstra Business SIP service provides you with an Internet Protocol (IP) voice service to enable you to connect and operate a fixed voice telephone system over an active broadband connection.

It is provided using Session Initiation Protocol (SIP) delivered as voice lines over a SIP trunk.

Telstra Business SIP service’s SIP trunk is comprised of phone numbers, voice lines and a calling plan.

NECALL can connect your NEC Telstra certified phone system to Telstra Business SIP. We can also offer you an alternative to this.

Contact our sales team today and ask how we can help with an alternative to Telstra Business SIP.



Contact us for a free Quote / Consultation by Phone : +61 8 9455 3122 or Email :