RingCentral
Unified communications built for modern business
SIP Trunking
Reliable Calling Without Legacy Lines
Why switch to SIP?
Traditional phone lines are being phased out across New Zealand. SIP Trunking is the straightforward replacement — and an upgrade. Modernising your phone system enables your business to:
Lower your costs: No line rental for physical copper or ISDN circuits, and competitive calling rates
Keep your numbers: We port your existing business numbers across, so nothing changes for your customers
Keep your phone system: SIP works with your existing PBX, so there's no need to replace hardware that still does the job
Scale in minutes: Add or remove channels as your business changes, without waiting for a technician
Business continuity built in: Redirect calls instantly to another site or mobiles if your office is offline
How it works
Your phone system connects to Digital Island's voice network over your internet connection instead of physical phone lines. Each SIP channel carries one call, and you simply choose how many simultaneous calls your business needs. Calls sound crystal clear, and to your customers, nothing changes — they call the same numbers they always have.
For the best call quality, we recommend pairing SIP Trunking with a Digital Island fibre connection, so we can manage voice quality end to end.
SIP trunks are fully scalable allowing the addition of extra voice channels as your business requirements change.
