SimuWave vs 3CX
PBX with a strong UCaaS app suite, available self-hosted or on 3CX-hosted instances. Per-call concurrent licensing.
Both platforms can power a hosted phone service, but they're built for different shapes of business. SimuWave is a true white-label, multi-tenant platform built from day one for MSPs — your customers see your brand on your subdomain, never ours, and you run many tenants from a single pane of glass. 3CX is a single-tenant PBX with polished apps and a "Branded Apps" add-on for partners; resellers typically run one 3CX instance per customer.
MSPs and resellers who want true white-label — your customers (and their customers) never see SimuWave. Custom subdomain, your branding, your support email. One platform, many tenants, modern visual call flow designer with live monitoring.
Feature by feature
Marked from publicly documented capabilities. Partial means available via add-on, configuration, or specific tier.
Architecture & deployment
| Feature | SimuWave | 3CX |
|---|---|---|
| Hosting model | Cloud, multi-tenant | Self-hosted (Linux) or 3CX-hosted instance |
| Multi-tenant from one instance | Yes | PartialPartners run separate instances per client |
| Built-in white-label / branding | Yes | PartialBranded Apps add-on for partners |
Call flow design
| Feature | SimuWave | 3CX |
|---|---|---|
| Visual drag-and-drop flow designer | Yes | PartialInbound rules + IVR, not a node graph |
| Subflows (call one flow from another) | Yes | No |
| Time-based routing | Yes | Yes |
| Caller-ID conditional routing | Yes | Yes |
| Toggle switches with feature codes | Yes | PartialDay/Night/Holiday modes |
| PIN gate node in flow | Yes | PartialCustom config |
| Outage failover with auto-detect | Yes | PartialManual failover rules |
| Voice barge-in IVR (interrupt by speech or DTMF) | Yes | PartialDTMF interrupt; voice varies |
Real-time operations
| Feature | SimuWave | 3CX |
|---|---|---|
| Live call activity overlaid on flow canvas | Yes | No |
| Live transcription stream | Yes | PartialAdd-on |
Voice features
| Feature | SimuWave | 3CX |
|---|---|---|
| Voicemail to email | Yes | Yes |
| Cloud call recording | Yes | Yes |
| Find Me / Follow Me | Yes | Yes |
| Call queues | Yes | Yes |
| Conference bridges | Yes | Yes |
| Fax (inbound + outbound) | Yes | Yes |
Endpoints
| Feature | SimuWave | 3CX |
|---|---|---|
| Multi-vendor phone provisioning | Grandstream, Yealink | Yes |
| Browser softphone | Yes | Yes |
Phone numbers
| Feature | SimuWave | 3CX |
|---|---|---|
| US local-city DID inventory included | Yes | PartialBring your own SIP trunk |
| Multi-carrier inventory search | Yes | No |
| Number porting | Yes | PartialThrough your trunk provider |
Reseller / MSP
| Feature | SimuWave | 3CX |
|---|---|---|
| Multi-tenant from a single platform | Yes | No |
| Partner → Tenant → User hierarchy built in | Yes | No |
| White-label customer portal | Yes | PartialBranded Apps |
Developer
| Feature | SimuWave | 3CX |
|---|---|---|
| Public REST API | Yes | Yes |
| Webhooks for call/fax events | Yes | Yes |
Pricing model
| Feature | SimuWave | 3CX |
|---|---|---|
| Pricing structure | Per-tenant flat or PAYG | Per simultaneous-call license |
What only SimuWave has
Features built into SimuWave that you won't find — or won't find at the same depth — in 3CX.
- Live calls light up the canvas as they route. Open the designer for a busy line and watch active calls move through nodes in real time, with intensity colors and pulsing edges. There's no equivalent in 3CX — its switchboard view shows extension status, not a routing-graph overlay.
- Multi-tenant white-label without an add-on. Every customer on their own branded subdomain, your colors, your support email — under one platform. 3CX gates Branded Apps behind an add-on tier and resellers typically run one instance per customer.
- Outage failover as a drop-in node with auto-detect, configurable grace and recovery periods, and email alerts. 3CX requires manual failover routing rules.
- Toggle switches with feature code, BLF, AND custom spoken announcements. Dial
*60to flip routing, the desk-phone BLF reflects state, and the system speaks your custom phrase ("Now in night mode," "Route to Frankie activated"). 3CX has Day/Night/Holiday modes; none of the other layers. - Multi-carrier U.S. DID inventory built in. Find and provision local-city numbers across major metros without a separate trunk-shopping trip. 3CX is bring-your-own-trunk.
- Live transcription stream into the dashboard during the call — not after.
- PIN gate as a drag-and-drop node for protected branches in any flow.
Deep dive
The pieces that don't fit in a checkbox.
The architectural fork
The single biggest difference between SimuWave and 3CX isn't a feature — it's the shape of the system. 3CX is designed as a single-tenant PBX: one instance, one company, one set of extensions. The classic 3CX deployment is one server per customer, with the partner running and maintaining each instance separately. That model works fine when you have a handful of customers; it becomes a maintenance treadmill as you scale, with version drift between instances, separate backups, separate failure surfaces, and separate logins for your own technicians.
SimuWave is multi-tenant from line one. One platform runs all your customers as logical tenants under a single Asterisk + control plane, each tenant on their own branded subdomain. You patch once, you back up once, your team has one login and one pane of glass. The trade-off is that you don't get a dedicated PBX per customer — but for MSPs and white-label resellers, the operational consolidation usually beats the isolation.
White-label that actually goes all the way
Both platforms claim white-label support, but they mean different things by it. 3CX has a Branded Apps add-on that lets your partner-tier customers see your logo and color scheme in the 3CX mobile/desktop apps. The web admin, the documentation, and the underlying product still very visibly say 3CX.
SimuWave's white-label is end-to-end: your customers (and their customers) log into app.yourcompany.com (or a subdomain you choose), see your logo, your colors, your support email on every transactional message, your terms of service. The word 'SimuWave' never appears in anything they touch. For partners reselling to non-technical end customers, this is usually the dealbreaker — once your customer knows the upstream vendor's name, the relationship is no longer yours.
Visual call flow design + live monitoring
3CX's call routing is configured through forms: time conditions, ring groups, queues, IVRs, each in its own admin section. The mental model is a tree of rules; debugging a misrouted call usually means cross-referencing several config screens against a CDR. It works, but it's flat configuration, not a graph.
SimuWave's call flow designer is a drag-and-drop canvas: nodes for IVRs, time conditions, ring groups, voicemail, queues, toggle switches, PIN gates, outage failovers, and subflows. The graph is the source of truth and the documentation simultaneously. When a customer asks why a call went somewhere unexpected, you open the canvas and trace the path. Better still, during business hours live calls light up the canvas as they route — active calls pulse along the edges they're currently traversing, with color intensity reflecting concurrency. There's no equivalent view in 3CX.
Operational features that are first-class, not bolts-ons
Several SimuWave features that come up constantly for MSPs are either missing or only partially present in 3CX:
Outage failover as a node. A SimuWave call flow can include a failover node that pings a primary destination and auto-routes to a backup if the primary is unreachable, with configurable grace and recovery periods plus email alerts. In 3CX, equivalent behavior is achievable through custom routing rules, but it isn't a primitive you drop into a flow.
Toggle switches with feature codes, BLF, and TTS announcements. A receptionist dials *60 to flip a flow into night mode; her phone's BLF light reflects the new state; an announcement plays a phrase you wrote ('Now routing to the after-hours team'). 3CX has Day/Night/Holiday modes, but the integrated feature-code + BLF + custom-TTS layer isn't there.
PIN gate as a drag-and-drop node. Protect a flow branch (e.g., after-hours executive line) by inserting a PIN node that requires a code before the call proceeds. 3CX requires a custom IVR with manual logic.
Multi-carrier DID inventory built in. SimuWave includes a DID-search-and-purchase flow across multiple US carriers — you find a local-city number, click buy, and it's provisioned to a tenant in seconds. 3CX is bring-your-own-trunk; you source numbers and trunks yourself.
Pricing model fit
3CX's pricing is per simultaneous call — you license a concurrent-call ceiling, not per extension. That's friendly to organizations with many phones but few simultaneous conversations (typical office). For an MSP reselling to many small businesses, the per-call model gets awkward fast: you're either sizing licenses to each customer's peak (lots of one-off purchase orders) or pooling concurrency across customers (which complicates your accounting).
SimuWave's pricing is per extension + per minute, with the platform overhead absorbed into a flat per-tenant fee. That model fits the reseller economics: you know your cost per customer, you can mark up cleanly, and you bill end customers on the same shape (per-extension MRR + usage). The platform includes the carrier-side billing and invoice generation so you collect from your customers without separate plumbing.
3CX is the better choice if you're picking a phone system for one organization, not many — a single-company internal PBX with polished mobile/desktop apps, video meetings, and live chat all in one suite. 3CX's UCaaS app stack is genuinely strong if your team values the unified-comms experience over operating leverage. If you're not reselling and have no need for multi-tenant white-label, 3CX's per-call licensing on a self-hosted box is often the cheaper, simpler answer.
Migrating from 3CX
Coming from 3CX, the migration usually takes a single evening per tenant. Extension provisioning happens via zero-touch provisioning files (Yealink and Grandstream), so existing phones re-flash with new SIP credentials on reboot. SimuWave's onboarding wizard imports DIDs, call flows, and voicemail boxes from a CSV template; the largest piece of work is usually translating 3CX's day/night routing rules into the visual call flow designer — typically 15-30 minutes per tenant. We can run both systems in parallel during cutover by leaving the 3CX trunk active and porting DIDs in waves.
Frequently asked
Yes. SimuWave is multi-tenant by design — every customer is a logical tenant on a single platform, each with their own branded subdomain, isolated extensions, and separate billing. You patch once and all tenants get the update.
It can, but that's not who SimuWave is built for. If you're a single organization picking an internal phone system and you value the polished UCaaS app suite, 3CX is often the better choice. SimuWave is built for MSPs and resellers who need true white-label and multi-tenant operations.
SimuWave uses a drag-and-drop visual canvas where nodes (IVRs, time conditions, ring groups, voicemail, PIN gates, toggle switches, outage failover, subflows) connect with edges. Active calls light up the canvas in real time during business hours. 3CX configures routing through forms in the admin UI.
Yes, but you usually won't need to. SimuWave includes built-in multi-carrier DID inventory — search a local rate center, click purchase, and the number is provisioned to a tenant. If you have an existing trunk preference (e.g., wholesale relationship with a specific carrier), you can add it.
Your customers log into a subdomain you own (e.g., voip.yourbrand.com), see your logo and color scheme on every page, receive transactional emails from your support address, and never see the word "SimuWave" anywhere in the product. The web admin, mobile-friendly portal, partner-admin views, and end-user-facing voicemail emails are all branded as yours.
Bottom line
For MSPs and resellers, SimuWave is built for the white-label, multi-tenant job from day one — every customer on a branded subdomain, one platform, modern visual flow designer with live activity overlay, and operational nodes (outage failover, toggle switches with TTS, PIN gates) that are first-class features instead of bolt-ons.
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