RingCentral alternative
Real annual savings at three SME sizes, RingCentral Advanced (£24.99/user/month list) versus managed 3CX on PRO. Includes hosting, SIP, support — everything bundled into a single line.
| User count | RingCentral / year | Managed 3CX / year | Annual saving |
|---|---|---|---|
| 25 users | RingCentral£7,500 | 3CX~£2,400 | ~£5,10068% reduction. Roughly an extra week of payroll for an SME team. |
| 50 users | RingCentral£15,000 | 3CX~£4,800 | ~£10,20068% reduction. Could fund the first marketing hire. |
| 100 users | RingCentral£30,000 | 3CX~£9,000 | ~£21,00070% reduction. Could fund a second senior hire. |
RingCentral Advanced list pricing snapshot May 2026 from ringcentral.co.uk. Managed 3CX numbers include licence, hosting, SIP, handsets-amortised, and support — see honest pricing for the full cost-stack decomposition. Numbers ex-VAT.
One-off switching cost (handsets, install, porting) is roughly £100–135 per user. Pays back in 4–7 months on the monthly difference.
For typical UK SME usage — accountancy, legal, dental, estate agency, professional services up to 200 users — almost certainly not. Here's the feature parity comparison for the things UK SMEs actually use:
What you lose: RingCentral's polish and out-of-the-box-without-thinking experience. What you gain: meaningful annual savings, a UK partner relationship, transparent pricing, and per-system scaling (adding a user doesn't add £25/month for life).
Three honest cases:
How a switch from RingCentral to managed 3CX actually runs. Typical timeline: 6–8 weeks from decision to cut-over weekend.
The optimal time to start a RingCentral-to-3CX migration is 3–4 months before your RingCentral renewal date. That gives you time for the 6–8 week implementation plus 4 weeks of buffer for any unexpected porting delays (the porting process itself is usually clean, but the carrier paperwork sometimes takes longer than the technical port).
If you've already missed that window — RingCentral renewal is next month and you didn't give notice — three options:
Yes. UK number ownership stays with your business throughout. The carrier providing the underlying numbers (often Gamma, sometimes a RingCentral-managed range) holds them on your behalf. The porting process moves the routing from RingCentral's PBX to your new 3CX trunks — the numbers themselves don't change. If you later decide 3CX isn't for you, you port them out again. No vendor lock-in on the numbers themselves.
3CX PRO and above include the same CRM integrations RingCentral has, plus a few extras (Bitrix24, BrightHR, Iris). Click-to-dial, call logging, and screen-pop work the same way. The integration is configured during week 3–5 of the implementation.
Only if you want it to. The standard approach is to rebuild your existing IVR / call queues / auto-attendant logic on 3CX with the same flow. Some firms use the switch as an opportunity to redesign their call flow (often simpler than what RingCentral's editor encouraged). Your choice.
UK-hosted 3CX talking to UK Gamma SIP over a UK ISP gives sub-30ms round-trip times — same quality as RingCentral's UK presence. The audio codec (G.722 or Opus) is the same. The handsets are the same brand category (Yealink / Snom). Quality is a non-issue if the hosting is UK-resident.
That's the whole point. The managed-service model means you don't need internal IT capability — we handle the technical side, you do the decision-making and the user training. The most common buyer profile for our switches is a non-technical operations director or office manager who'd rather pay someone competent than learn 3CX themselves.