SIP Advanced

Maximise your in-house PBX and stay future ready.

Business Products & solutions Voice

Connect your business to SIP Advanced

SIP Advanced is an innovative voice solution designed to make your existing call system more flexible and reliable, giving you greater control and cost savings. SIP Advanced replaces traditional ISDN lines with a secure IP connection. That means you can make your existing technology investment work harder than ever.
SIP Advanced has been designed with resiliency and customer control in mind. A continuous upgrade programme means you can be confident you have the best possible performance, which is monitored 24/7. SIP Advanced’s high quality calling also streamlines call processing with dedicated calling channels to ensure calls are prioritised and call-quality maintained to deliver the best calling experience to your team and your customers.

SIP Advanced also offers smart tools like a real-time self-service portal, which gives you visibility and control over your own services and costs.

SIP Advanced can empower your business today and tomorrow

Complete control

The online portal allows you to track calling and usage which helps manage volumes and keep track of costs.
Highest call quality

Ensure quality customer service with a dedicated line employing the latest industry codecs to deliver highest quality calling possible and high grade voice performance.
Future proof

Make the most of your existing PBX investment while building infrastructure for future technologies and services.
Proven expertise

Through One NZ Next Generation Services, we are one of NZ’s most experienced SIP providers and highly capable in delivery, management and 24/7 monitoring monitoring of critical voice networks throughout the country.
Expert installation

  • One NZ's in-house project management teams can co-ordinate the entire project with trusted suppliers which results in minimum disruption to your business.
Resilient and reliable

SIP Advanced is delivered by One NZ Next Generation Services – one of NZ’s most experienced SIP providers. We offer network resiliency with geographic redundancy though sites in Auckland, Wellington and Christchurch. Our disaster recovery and full failovers support continuity of service.

Important things to know

SIP Advanced has a minimum of 10 channels

  • SIP Advanced was formerly called SIP
  • SIP Advanced is available on a 24 or 36-month term
  • Installation fees can be waived when you sign up for a 36 month term
  • Early termination fees and charges may apply
  • SIP Advanced requires customers to be on a compatible PBX
  • Lab testing environment available for Vendors to certify systems compatibility
  • One NZ Metro Access is required
  • The Company Mobile Calling Group must only include phones on a One NZ on account plan
  • Customer must notify One NZ of all company One NZ mobiles that should be included in the Company Mobile Calling Group

Get SIP Advanced

Talk to us about your ideal business calling solution.

Check Smart SIP

Does your business have less than 15 people on the phone at once at one location?

Contact our sales team to discuss how we can help your business

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For help with an existing product, call us on 0800 400 888.
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