3CX vs RingCentral
The two products are structurally different. The same use cases get solved differently.
You pay per user, per month, indefinitely. RingCentral runs everything — the PBX, the hosting, the SIP, the apps, the call queues, the call recording, the analytics. One vendor, one bill, one global support organisation. UK pricing is published in GBP on ringcentral.co.uk.
You buy a yearly licence priced per Simultaneous Call (SC), not per user. You run the software somewhere (on-prem, your cloud, 3CX cloud, partner cloud), connect it to SIP trunks bought separately, and plug in handsets. Most UK SMEs deploy 3CX through a managed partner who handles the whole stack.
Typical UK SME on PRO tier 3CX (the most-deployed configuration) versus RingCentral Advanced (the middle tier most UK firms land on). 24-month contract assumed, all costs ex-VAT.
| Line item | RingCentral Advanced | 3CX (Port Phones managed) |
|---|---|---|
| Per-user monthly fee | RingCentral£24.99 / userPublished list, ringcentral.co.uk. Includes calling, recording, integrations. | Port PhonesQuotedAll-in (licence + hosting + SIP + support). See how we price for what decides your price. |
| Monthly total (25 users) | RingCentral£625 / month25 × £24.99. Hardware extra (or BYOD). | Port PhonesQuotedPRO 8 SC licence + UK hosting + 4-channel SIP + support, all bundled. |
| Setup / handsets (one-off) | RingCentral£0–500 + handsetsTheir "implementation fee" varies; some tiers waive it. | Port PhonesQuoted25 × Yealink T46U at ~£103 + install + training + porting. |
| 24-month total | RingCentral~£15,500£625 × 24 + ~£500 setup. | Port PhonesQuoted£200 × 24 + £3,000 setup. |
RingCentral pricing snapshot May 2026 from ringcentral.co.uk. 3CX pricing sourced from our actual deployment stack — see how we price for the full breakdown including underlying component costs.
The per-user difference compounds at scale. For an 80-user firm on RingCentral Advanced versus managed 3CX on PRO 16 SC.
| Line item | RingCentral Advanced | 3CX (Port Phones managed) |
|---|---|---|
| Per-user monthly fee | RingCentral£24.99 / userSame list price as 25 users. | Port PhonesQuotedScales down slightly at larger user count. |
| Monthly total (80 users) | RingCentral£1,999 / month80 × £24.99. | Port PhonesQuotedPRO 16 SC + larger SIP trunk + support. |
| 24-month difference | ~£34,500£1,999 − £560 = £1,439 / month difference, × 24 months. Real money at SME scale. | |
Five honest reasons to pick RingCentral over 3CX.
RingCentral runs everything. You don't pick a partner, you don't think about hosting, you don't deal with SIP. The price is the price; the support is in their hands.
Some procurement functions (especially in regulated sectors, or in firms with strong global IT policy) require one accountable vendor across phones, video, messaging, and contact centre. RingCentral checks every box; 3CX requires a partner relationship.
RingCX is a strong inbound contact-centre product — WFM, skills routing, omnichannel. 3CX AI tier has skills routing and queues but isn't a peer to RingCX for 50+ agent contact centres.
Per-seat economics flip at very large user counts. RingCentral's enterprise tier negotiates per-seat down meaningfully at scale; 3CX is still cheaper, but the operational overhead of managing 500-user 3CX yourself (or paying a partner to) starts to matter.
RingCentral's UI, mobile app, and onboarding flow are best-in-class. 3CX's UI is functional, well-engineered, and improving. If your partners or sales team are accustomed to consumer-tier polish, RingCentral feels more natural.
Five honest reasons to pick managed 3CX over RingCentral.
The £15k vs £8k 24-month figure at 25 users is real. At 80 users it's £48k vs £14k. SMEs that spend the difference on payroll, marketing, or capacity buy themselves real growth.
Adding a new user to 3CX costs you a handset and 30 minutes of admin. Adding a user to RingCentral costs you £24.99/month — for life. Growth-stage firms pay this penalty repeatedly.
Your 3CX partner is a small UK company that picks up the phone. RingCentral's UK customer success is a global support queue. Both can resolve tickets; one is a relationship, the other is a transaction.
3CX includes call recording on PRO (the standard SME tier). RingCentral's “Core” tier doesn't include on-demand recording — you need Advanced (£24.99) for that. This catches a lot of professional-services firms who'd otherwise pick Core.
3CX deployed through a UK partner with UK hosting keeps every recording and CDR on UK soil. RingCentral data residency for UK customers is configurable but defaults to EU regions; ask before signing if regulated data matters.
Three decision rules. Match the most descriptive one to your situation.
Above 200 users, with RingCX-class contact-centre features needed, strong procurement preference for single global vendors, or you genuinely value polish over price.
SME-scale firms that want a UK partner relationship, need call recording at standard tier, or value transparent line-item pricing over US-style polish.
Roughly 5–10% of UK 3CX deployments are run this way. You capture the partner-layer margin yourself and own all the ops, the upgrades, the on-call rotation.
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