Business Phone Systems for New Zealand Businesses
One business number that reaches your team wherever they are, on the handset, the laptop or the mobile. Set up, ported and supported by a local team.
Supporting New Zealand businesses since 1989
What is a business phone system?
A business phone system is the service that answers your main number and decides where each call goes. It handles greetings, menus, ringing groups, transfers, voicemail and reporting, so a caller reaches the right person rather than a directory of individual extensions.
You will also see it called an office phone system or a business telephone system. PBX stands for private branch exchange. Traditionally that was a physical system installed on site, and today the same call-routing function is usually delivered as software in the cloud. The term is still used loosely to mean a phone system of any kind.
Modern systems run over your internet connection rather than copper lines, which is why the same number can ring a desk handset, a laptop and a mobile at once. The technology matters less than the routing. What you are really buying is a set of rules about who answers, in what order, and what happens when nobody does.
Older phone systems were designed for a building, not a business
The old model assumed everyone sat at a desk. Calls arrived at a box on the wall, travelled down a cable, and rang a handset that somebody was sitting next to. That assumption held for decades and then stopped being true almost overnight.
Now half the team is on site, at home, or in the van. The system still rings the desk. Calls go to a voicemail nobody checks, staff hand out mobile numbers to work around it, and the main number quietly stops being the way customers reach you.
The cost of that is not on any invoice. It is the calls that were never answered and never logged.
What you get
What a modern business phone system actually does
Six things that change on the day you switch.
Calls follow the person
The same extension rings a desk handset, a computer and a mobile app. Someone working from home, on site or between offices is reachable on the business number, not a personal mobile.
A greeting and a menu
An auto attendant answers, offers options and routes the caller. Out of hours, holidays and one-off closures each get their own behaviour, set once rather than remembered on the day.
Ring groups and queues
Calls hunt across a team in the order you choose rather than stopping at the first unanswered desk. Callers hold in a queue instead of hearing an engaged tone.
Voicemail that reaches someone
Messages arrive by email as an audio file, so they get picked up from wherever the person is working. Call recording is available where you need it for training or dispute resolution.
Numbers you already own
Eligible landline and toll-free numbers port across to the new system. We manage the port, keep the existing service live until the scheduled transfer and agree fallback routing before cutover.
Reporting you can act on
How many calls came in, how many were answered, how long people waited, and which were missed. If you have not had this visibility before, it can change how you staff the phones.
The options
Cloud system, on-premises PBX, or stay on the landlines?
Three routes, and the right one depends less on the technology than on what you already own, how many sites you run, and how long you plan to stay where you are.
Traditional lines and PBX
Copper lines into a box on the wall, with handsets wired to desks.
- Fits when the hardware is young, everyone is on site, and nothing is changing
- You get a system that works exactly as it did the day it was installed
- The catch capital cost at replacement, and copper is being retired
Cloud phone system
The system runs in a data centre and reaches whatever device your people use.
- Fits when staff work across sites, from home, or on the road
- You get routing, queues, apps and reporting on a monthly cost with no hardware to replace
- The catch it depends on your internet connection, so that gets checked first
On-premises, modernised
A current-generation system you own, running on site rather than hosted.
- Fits when you have a specific reason to keep call handling in the building
- You get the modern feature set with the equipment on your own premises
- The catch you carry the hardware, the upgrades and the replacement cycle
In practice, many businesses moving off copper choose a cloud-hosted system, because the alternative means buying hardware to solve a problem that no longer needs hardware. We will tell you when it does not apply to you.
Still on copper? Chorus plans to retire all copper services in fibre areas by the end of 2026 and the copper network nationwide by 2028. That is separate from Spark switching off the traditional landline network, and each affected service gets its own notice. Before a line is retired, check alarms, lift phones, EFTPOS terminals and any fax equipment with their suppliers, as the Telecommunications Forum advises in its copper and landline retirement guidance.
A fair question
We already have Microsoft Teams. Do we need a phone system?
Sometimes not, and we will say so.
Teams Phone can be a very good fit when most people already work in Teams all day, calling requirements are straightforward, and you want external calls to sit inside the same Microsoft environment. It can handle business numbers, auto attendants, call queues and after-hours routing as well as normal person-to-person calling. External calling is not part of an ordinary Microsoft 365 licence: Teams Phone needs its own licence and a connection to the phone network.
A dedicated phone system starts to earn its place when the phone is an operational system in its own right. That might mean a busy main number, reception covering several sites, more complex queues and overflow rules, shared phones, detailed call reporting, contact-centre functions, or people who need to make and take business calls without working in Teams all day.
We deliver both Microsoft 365 and business phone systems, so we do not need to force one answer. If Teams Phone covers what you need, we will set that up rather than sell you another platform.
See Microsoft Teams Phone for how the licensing and calling options work.
What is new
What can AI now do with a business phone call?
Answer when nobody can, write down what was said, and record what was agreed. The useful part is not a chatbot bolted to the front of the business. It is the work nobody enjoys: taking the message, typing the notes and remembering the follow-up.
- Answering when nobody can. An AI receptionist takes the call, lets the caller say what they want in plain language rather than working through a menu, answers common questions from your own information, and passes the rest to the right person
- Transcription. Calls and voicemails become searchable text, so finding what somebody actually said is a search rather than a memory test
- Summaries and next steps. A short written summary after the call, with the actions that were agreed, instead of notes nobody got round to writing
- Into the systems you already use. Those summaries and actions can be pushed into a CRM or job management system rather than sitting in the phone platform where nobody looks
- Reporting on what it handled. How many calls it resolved and how many it passed on, so you can see whether it is earning its place
Recording and transcription are turned on where there is a business reason, not by default. Staff and callers should be told when calls are being recorded, and the recordings need an access and retention policy like any other personal information. We set that up with you rather than leaving it running quietly.
Not every business needs any of this. It earns its place where calls are being missed, where the same three questions are asked all day, or where what was agreed on a call keeps getting lost between the phone and the job sheet.
When things go wrong
What happens to the phones when something fails?
They keep ringing somewhere, provided somebody decided where in advance. Resilience on a phone system is a set of rules written before the day you need them, not a feature you switch on afterwards.
- The office internet fails. Calls route to mobiles or to another site, on rules configured and tested before it happens rather than decided while the phones are down
- The power goes out. The mobile and laptop apps can keep working over mobile data, provided there is mobile coverage and the devices have power, so the business number can still be answered from an empty building
- One site is closed or short-staffed. Another location answers the same number, because a cloud system treats every site as one phone system rather than several
- Nobody is free to pick up. A queue, an overflow rule or the AI receptionist takes it, instead of the call ringing out
- Something upstream breaks. There is an agreed fallback route and a named person to call, decided at setup rather than improvised
This depends on the connection underneath, which is the part we also run. A failover plan that assumes an internet link nobody has tested is a plan on paper. A wider outage at the phone provider is a different problem from an office outage, so keep another way to call 111, such as a charged mobile, and confirm how emergency calls and your location details are handled before cutover.
Cost
What does a business phone system cost in New Zealand?
Most of our quotes are a single fixed monthly cost rather than a system charge and a call plan billed separately. The system and the calling are always bundled together, and handsets sit inside the same figure where you want them. Setup is quoted once, as a one-off.
One monthly figure
The system, the calling and any handsets come as a single fixed monthly cost rather than separate charges to reconcile. Nothing is metered against you in the background, and the figure you agree is the figure that arrives.
Handsets are optional
Plenty of teams never want a desk phone and work entirely from the computer and mobile apps. Where you do want handsets, they can be included in the same monthly figure rather than bought separately.
What moves the number:
- How many people need an extension, which is usually fewer than the headcount
- Whether you want desk handsets or your team will work from the computer and mobile apps
- How complex the call routing is, since a single ring group is quicker to build than a multi-site menu with queues and out-of-hours rules
- How many numbers are being ported and who they are currently with
- Whether your internet connection needs work first, which we check before quoting rather than after
We quote the one-off setup as a fixed figure and confirm the monthly cost in writing before you commit, so there is nothing to discover later.
The process
How a phone system change actually runs
Work out how calls should flow
Who answers first, what happens when they do not, where after-hours calls go, and which teams need their own queue. This is the part that determines whether the new system feels better than the old one.
Check the connection
Voice is unforgiving about network quality in a way that email is not. We test the internet connection and the internal network before committing to a date, and say so if something needs fixing first. See business internet.
Build it and port the numbers
The system is configured and tested while your existing phones keep running. Number porting is lodged and tracked, and the old service stays live until the port completes.
Cut over and show people
The switch happens at a time that suits you, which can be outside business hours where the carrier supports it. Staff get shown the handset and the apps on the day, because a system nobody knows how to transfer a call on is not an improvement.
Adjust it once it is real
Call flows that looked right on paper can need a tweak once real calls hit them. We expect that and build it into the period after cutover rather than treating it as a fault.
The phones and the network, from one team
- We already run the network. When a call quality problem turns out to be the connection or the switch, there is nobody to hand it to. That is the most common cause and the most common finger-pointing.
- Since 1989. New Zealand business technology, through several complete generations of phone system.
- Local people. Christchurch and Dunedin teams who can come to site for the cutover rather than talk you through it.
- We manage the porting. Number ports are the part that goes wrong. We lodge them, track them and keep the old service live until they complete.
- Training is included, not optional. Staff get shown how to transfer, park and pick up a call, which is where most of the value actually sits.
- We will tell you to wait. If your current system has years left and nobody is struggling, that is the advice you get.
Go deeper
The detail behind each of these
Everything above is covered at length elsewhere on the site. Start wherever your question sits.
How the technology works
Handling more calls
Planning and support
Where we work
Business phone systems in Christchurch and Dunedin
On site for the cutover
Teams based in Christchurch since 2009 and Dunedin since 1989. Someone is in the building on switchover day, because that is when the questions arrive and when a handset that will not register needs hands on it.
In Christchurch, we help businesses plan call routing, move eligible existing numbers and support staff on desk phones, computers and mobile apps, whether you are replacing an older system or changing providers. Talk to our Christchurch team about your current system, numbers and how your staff handle calls.
Nationwide remotely
For businesses elsewhere in New Zealand we run the same process remotely, with a site visit where the cutover warrants it. Multi-site organisations are common, and the system does not care where the offices are.
Questions
Business phone system FAQs
How much does a business phone system cost in New Zealand?
Most quotes are a single fixed monthly cost covering the phone system, the calling and any handsets, with setup charged once as a separate one-off. The system and the calling are always bundled together, and handsets can be left out entirely if your team works from the computer and mobile apps. What moves the number is how many people need an extension, whether you want desk handsets, how complex the call routing is, how many numbers are being ported, and whether the internet connection needs work first. Exodesk quotes the setup as a fixed figure and confirms the monthly cost in writing before you commit.
Can we keep our existing phone numbers?
Yes, where the numbers are eligible to port. Number porting transfers your existing New Zealand landline and toll-free numbers to the new system. Exodesk lodges and tracks the port, keeps your old service live until the scheduled transfer, and agrees fallback routing before cutover, which minimises the risk of calls being lost during the change. Carriers control the timing, so the plan matters more than a promise.
Is a cloud phone system reliable enough for business calls?
Yes, provided the internet connection underneath it is sound. That is the real variable, which is why we test the connection and the internal network before agreeing a cutover date rather than after. Where a connection is not up to it, we say so and deal with that first.
What happens to our phones if the internet goes down?
Calls can fail over to mobiles or another destination you nominate, provided the routing is configured and tested before cutover. Mobile fallback still depends on mobile coverage and power. Keep another way to call 111, such as a charged mobile, in case the main service is unavailable.
Can you replace our existing PBX?
Yes, and it is one of the most common reasons businesses call. A legacy PBX is usually replaced rather than upgraded, because the cost of extending old hardware is rarely worth it against a system that no longer needs hardware at all.
Do we need to buy new handsets?
Not necessarily. Many teams work entirely from computer and mobile apps and never want a desk phone. Where handsets are wanted they can be included in the monthly cost rather than bought separately, and some existing models can be reused, which we check as part of scoping rather than assuming either way.
How long does a switchover take?
It depends on the number of sites and users, how complex the call routing is, and when the losing provider releases your numbers. The system is built and tested while your existing phones keep running, and the cutover is scheduled at a time that suits you. We agree the plan and the porting date with you before starting.
Will it work with Microsoft Teams?
Yes. We can set up Teams Phone where it fits, which needs Teams Phone licences and a connection to the phone network, or connect 3CX with Teams. Whether either is worth it depends on how your people actually work, which is a conversation before it is a configuration.
What platform does Exodesk use?
We deploy 3CX, and we are a certified 3CX partner. We are not tied to it. The platform matters far less than whether the call flows are designed properly and whether someone answers when a customer rings, which is where we spend the time.
Can we see who is missing calls?
Yes. Reporting covers calls received, answered, abandoned and wait times, by team and by person. If you have not had this visibility before, it can change how you staff the phones.
We have more than one office. Does that complicate it?
It simplifies it. A cloud system treats every site as part of one phone system, so internal calls between offices are free, extensions are consistent, and reception can cover for another location. Multi-site is where the difference from traditional systems is most obvious.
Not sure whether your phone system needs replacing?
Tell us what is prompting the question. If the honest answer is that your current setup has years left in it, that is what you will hear.
Christchurch 03 343 3124 · Dunedin 03 479 2941 · Nationwide 0800 396 337
About us
Business phones and IT from one team in Christchurch & Dunedin
Originally formed in 1989 as Willis White & Co, Exodesk was established in Dunedin by Chris Willis and Andrew White. We expanded to Christchurch in 2009, growing into one of New Zealand’s most established IT providers. Today we deliver business phone systems, managed IT services, cloud and cyber security to businesses across Christchurch, Dunedin and beyond.
Contact us
For a quote on a business phone system, or a second opinion on the one you have
Prefer to talk?
Christchurch
Level 1, 85 Riccarton Road
Christchurch 8011
03 343 3124
Dunedin
Level 3, Bartons Building
2 Stafford Street
Dunedin 9016
03 479 2941