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 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 Vodafone 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
Vodafone’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 Vodafone 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 Vodafone 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
- Vodafone Metro Access is required
- The Company Mobile Calling Group must only include phones on a Vodafone on account plan
- Customer must notify Vodafone of all company Vodafone mobiles that should be included in the Company Mobile Calling Group
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