Zen Systems · Fully Managed
Hosted 3CX, fully managed by Zen Systems
One monthly payment for hosting, a Pro license, SIP channels, UK calls and support. Pay the setup fee by card today, then complete Direct Debit for the monthly service.
Includes hosting, Pro license, SIP channels and support. 36-month terms include calls to UK local, national and mobile numbers.
What’s included
Everything you need for a working phone system
Hosting
Zen Systems runs the 3CX server, updates, backups and monitoring so you never touch the infrastructure.
Pro license included
Call recording, queues, CRM and Microsoft 365 / Google integration are part of every plan.
SIP + UK calls
SIP channels and calls to UK local, national and mobile numbers are included on 36-month terms.
3CX administration
We configure, administer and support the system. You get a phone system that just works.
Call recording storage
Recording capacity scales with the plan — from 5GB on Micro to 60GB on Enterprise.
Ongoing support
A single monthly payment covers hosting, license, trunks and Zen Systems support. No surprise extras.
Pricing
Five plans, sized by simultaneous calls
Prices ex VAT. Setup is paid by card at checkout. Monthly hosting is billed by Direct Debit.
HSTD Micro
Up to 10 people
GBP 99.00/mo
GBP 500.00 one-off setup
- 4 simultaneous calls
- 5GB call recording
- Pro license + hosting
- SIP + UK calls (36-month)
HSTD SML
Up to 25 people
GBP 155.00/mo
GBP 850.00 one-off setup
- 8 simultaneous calls
- 10GB call recording
- Pro license + hosting
- SIP + UK calls (36-month)
HSTD MED
Up to 50 people
GBP 330.00/mo
GBP 1,400.00 one-off setup
- 16 simultaneous calls
- 20GB call recording
- Pro license + hosting
- SIP + UK calls (36-month)
HSTD LRG
Up to 75 people
GBP 495.00/mo
GBP 2,000.00 one-off setup
- 24 simultaneous calls
- 40GB call recording
- Pro license + hosting
- SIP + UK calls (36-month)
HSTD ENT
Up to 100 people
GBP 595.00/mo
GBP 2,500.00 one-off setup
- 32 simultaneous calls
- 60GB call recording
- Pro license + hosting
- SIP + UK calls (36-month)
Need more than 32 simultaneous calls? Contact us for a custom quote.
How checkout works
Card for setup, Direct Debit for monthly
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Step 1
Pay the setup fee
Choose a plan and pay the one-off setup by card. VAT is calculated from your billing country.
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Step 2
Set up Direct Debit
We send a GoCardless mandate link for the monthly payment. The system cannot go live until this is in place.
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Step 3
Complete onboarding
Log in and fill in the discovery form (extensions, numbers, routing). Progress saves as you go.
FAQ
Common questions
- What is included in Fully Managed?
- Zen Systems hosts and administers your 3CX system, includes a Pro license, SIP channels, backups, support, and call recording storage. 36-month terms include calls to UK local, national and mobile numbers.
- What do I pay today?
- You pay the one-off setup fee by card at checkout. Monthly hosting is collected by Direct Debit via GoCardless after you complete the mandate link we send you.
- How do I choose a plan size?
- Plans are sized by simultaneous calls (4SC to 32SC). Anything above 32 simultaneous calls needs a custom quote from sales.
- What happens after I pay?
- We email a welcome pack with a login (or password setup) link, the Direct Debit mandate, and a link to complete your onboarding documentation so we can build your system.