Switching your phone system
Whatever you're switching from, we make the move easy
Ageing hardware, a provider you've outgrown, or rising prices with nothing to show for them, whatever's pushing the change, we replace it with 3CX on our own private cloud, with a plan, a date and a guarantee.
No obligation. We'll tell you where your current system stands even if you don't move to us.
One plan. One date. No downtime.
Whatever you're moving from, our 4-step switchover plan gets you onto 3CX on our own private cloud without a dropped call.
16+
years with 3CX
99.99%
uptime SLA
4
step switchover plan
100%
telecoms focused
Why businesses switch
There's rarely one reason. There's usually four
We're not here to badmouth whoever you're with, plenty of systems run faithfully for years before the case for change builds up. These are the reasons we hear most, from businesses on every kind of phone system, on every kind of contract.
Ageing or unsupported kit
Hardware and software age out of manufacturer support. When patches and spares stop, every fault carries more risk than the last one.
Rising cost, falling service
Annual price rises are common across the industry. When they arrive alongside slower support, it's a fair moment to see what else is out there.
Growth your system can't follow
New sites, hybrid working, more lines than your platform was built for, outgrowing a system is as common a switch trigger as it breaking.
No one you can actually call
A named contact who knows your setup is rare once a provider grows past a certain size. It's one of the most common gaps we're asked to fill.
Is it time?
Common warning signs, by system type
These are the signs we're most often called about — and what they usually mean once we've had a proper look.
On-premises PBX
No manufacturer support left
Security patches and spare parts stop, leaving every fault riskier than the last.
Proprietary handsets and cabling
Locks you into one supplier for hardware and moves, so repairs get pricier over time.
Single site, no remote working
Staff can't take calls off-site without expensive add-ons.
Another VoIP provider
Slow support response times
The most common reason we hear for switching, a system that's fine, but a provider that's hard to reach.
Repeated price rises mid-contract
Stacked rises with no improvement in service are a fair reason to shop around.
Provider doesn't own its own infrastructure
Resellers with no infrastructure of their own often can't move quickly when something breaks.
Every site is different. We confirm your specific setup, contract position and options in writing as step one of every switchover, before anyone commits to anything.
Why Zen Systems
We know how it feels. We've done this hundreds of times
Running a business is hard enough without your phones being a worry. We're a 100% telecoms-focused business that has been a 3CX Titanium Partner for over 16 years, and we've successfully switched hundreds of businesses — from every kind of system and provider. We host your system ourselves, so when something needs attention, you talk to the people who built it.
3CX Titanium Partner
Over 16 years with 3CX. We've been specialists in it since 2007.
Our own private cloud
Hosted in Equinix's London data centres with a 99.99% uptime SLA.
Support you can actually reach
Unlimited support by phone, email and live chat, rated Excellent on Trustpilot.
Total Peace of Mind guarantee
Reliable service, exceptional support, and costs reduced wherever possible.
Your plan
The 4-step easy switchover plan
The same proven plan we've used to move hundreds of businesses, whatever they were switching from, start to finish, with nothing left to chance.
01
Discovery
Understanding your current phone system, needs and challenges through a detailed assessment — whatever it's built on and whoever supplies it.
02
Design
Crafting a custom solution, selecting the right features, configurations and integrations — mapped against what you have today.
03
Prepare
Setting up SIP trunks, private cloud hosting, number ports and team training, while your old system keeps running.
04
Switch
Managing the switchover, moving you to the new system without downtime, with support from the moment you go live.
Straight answers
The questions people ask us first
"A switchover will cause downtime."
We build your new system in parallel while your existing one keeps running, then manage the switch itself, designed to move you across without downtime.
"We'll lose our phone numbers."
You keep them. Number porting is part of the Prepare step and we handle it for you.
"Our staff will have to relearn everything."
Team training is built into the Prepare step, before go-live.
"We're mid-contract."
Tell us your renewal date and we'll plan backwards from it, design work can start well before you switch.
Proof
People who've already made the switch
★★★★★
"As a 3CX customer with a different service provider we were previously encountering very slow response times… James Howard-Dobson and his team were extremely helpful in migrating us from our previous provider."
★★★★★
"We moved from BT to Zen Systems for our telecoms and it's been fantastic. The call quality is excellent and the system is incredibly user-friendly."
Find out exactly where your system stands
One conversation with a switchover specialist. We look at your current setup, whoever it's with, and tell you what your options actually are, whether or not you move to us.
Backed by the Zen Systems Total Peace of Mind service guarantee.
Disclaimer
Zen Systems' own published claims, 16+ years as a 3CX Titanium Partner, Equinix London private cloud, 99.99% uptime SLA, Total Peace of Mind guarantee, 4-step switchover plan, customer testimonials.
Warning signs and impacts referenced above are general guidance based on our experience switching businesses off a wide range of systems and providers, not a diagnosis of any specific product. We confirm your own setup and options in writing before any switchover is agreed.