3CXEnterprise phone system with integrated AI at an unbeatable price
vs
JustCallAI-powered phone and SMS platform for sales and support teams
Comparison · Contact Center · weekly run Nov 3
3CX vs JustCall
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
JustCall is the stronger AI pick in Contact Center: it has a visibility score of 5.3 versus 0.4 for 3CX.
Choose 3CX if…
- You want a free plan to start
- You need a self-hosted or on-premises option
- Flat tiers pricing suits your budget better than per seat
- affordable phone system with contact center features
Choose JustCall if…
- You want the brand AI engines rank higher (5.3 vs 0.4)
- You want a lower entry price ($29 vs $300)
- AI answers describe it more positively (75% vs 12% positive)
- You need SOC 2 Type 2 or ISO 27001:2022 coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | 3CX | JustCall |
|---|---|---|
| Visibility score | 0.4% | 5.3% |
| Change vs last week | down−0.6% | up+0.9% |
| Rank in Contact Center | #39 | #22 |
| Share of voice | 0.2% | 1.4% |
| Mentions this run | 1 | 9 |
| Positive in AI answers | 12% | 75% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
3CX −0.7000000000000001pp · JustCall +0.8999999999999995pp over 1 weekly runs.
Engine by engine
JustCall leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
3CXJustCall
Head to head in AI answers
0 engine answers name both brands
03CX ranked higher
0JustCall ranked higher
Features, pricing & fit
| Dimension | 3CX | JustCall |
|---|---|---|
| Pricing model | Flat tiers | Per seat |
| Entry price | Free; paid from $300 / mo | $29 per seat / mo |
| Free plan | Yes | No · 14-day trial |
| Deployment | Hosted by 3CX, on-premise, or self-hosted in your own private cloud | Cloud |
| Integrations | — | 100+ |
| Compliance | — | SOC 2 Type 2, ISO 27001:2022 |
| Support | Free tech support questions via the website, Help forum, Partner network | Dedicated phone support line on Business and SalesPro plans, Dedicated success manager and personalized onboarding on SalesPro, Help Center knowledge base |
| Founded | 2005 | 2016 |
| Headquarters | Nicosia, Cyprus | Palo Alto, California |
| Employees | 51–200 | 201–500 |
| Funding | Latest round listed as Other Investors | Series B · $59M raised |
| Best for | Companies with 25+ users that want a self-managed phone system with integrated AI | Sales and support teams that want phone, SMS and AI calling in one platform without adding headcount |
Plans side by side
3CX
Free (StartUP)$0year, up to 10 users incl. hosting
Basic$300year (8 simultaneous calls; scales with SC tier)
Pro$395year (8 simultaneous calls; scales with SC tier)
AI$575year (8 simultaneous calls; scales with SC tier)
JustCall
Team$29per user/month, billed annually (minimum 2 licenses)
Pro$49per user/month, billed annually (minimum 2 licenses)
Pro Plus$89per user/month, billed annually (minimum 2 licenses)
BusinessCustomper user/month, billed annually (minimum 10 licenses)
SalesProCustomper user/month, billed annually (minimum 2 licenses)
Pros and cons
Themes from the AI answers that mention each brand
3CX
- affordable phone system with contact center features
- free edition for up to 10 users
- cost control and deployment flexibility
- good fit for small and midsize businesses
- core omnichannel communications such as live chat and call routing
- suitability depends on business size, budget and IT resources
- may not suit needs for a dedicated enterprise omnichannel contact center
JustCall
- Top pick for CRM-connected sales and support
- Free 14-day trial without credit card
- Flexible, lightweight integration
- Favored by fast-moving sales and support teams
- Centralizes business phone, SMS, and AI call coaching
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “3CX vs JustCall”, https://slateindex.ai/compare/3cx-vs-justcall, data of Nov 3, 2026. Licence: CC BY 4.0.