Fixed Mobile Convergence

In the network.

Not the app.

IQ Mobile routes calls at the PSTN level — native dialler reliability, full PBX features, and API-driven control. No app required.

70+
Partners
8+
PBX Platforms
API
First
MOBILEIQPLATFORMPBXSYSTEMPSTNSIP
SIM ManagementIoT SIMsFMCBSS IntegrationSIM PrintingFulfilment
70+

Active Partners

8+

PBX Platforms Integrated

<5 min

SIM to Live Extension

20,000

Active SIMs

What is FMC?

Fixed Mobile Convergence (FMC) brings your office phone system to your mobile device. Instead of juggling desk phones, softphone apps, or multiple communication tools, your team uses their mobile phone's native dialler—with full PBX capabilities running at the network level in the background.

IQ Mobile's approach goes further than most. Rather than relying on apps and internet connectivity, calls are routed directly through the partner's PBX environment at the PSTN level—removing dependency on mobile data and delivering a consistent, controllable service. Mobile begins to behave like VoIP, fully embedded within the communications stack.

Native Dialler Experience

No apps to install, no logins to manage—just use your phone as normal

Full PBX Features

Call routing, hunt groups, IVR, time-of-day rules, call recording—all platform-configured

Under 5 Minutes to Deploy

A SIM goes from unassigned to a fully FMC-enabled extension in minutes via API or portal

How FMC Works — IQ Mobile platform diagram showing mobile device, PSTN, IQ platform and partner PBX

FMC vs App-Based Calling

App-based solutions introduce unnecessary points of failure. Network-level FMC removes them.

IQ Mobile FMC (Network-Level)

  • Native dialler — no app switching
  • No mobile data required — routes via PSTN
  • Zero learning curve for end users
  • Consistent call quality in low-signal areas
  • Full integration with phone's contacts and call log
  • Call recording and compliance via platform config
  • Fewer support variables for providers

App-Based Calling

  • Requires separate app install and login
  • Dependent on stable data or WiFi connection
  • Users must learn a new interface
  • Background app restrictions cause missed calls
  • Separate contact lists and call history
  • Inconsistent recording — device-level limitations
  • Hard to support across diverse devices

"For years, FMC has been delivered through apps because it was the easiest route. But that approach introduces unnecessary points of failure. By moving integration back into the network, you get a more consistent and controllable service—especially for business-critical communications."

PG

Peter Gradwell

Managing Director, IQ Mobile

VoIP Resellers & MSPs

Extend your existing VoIP stack into mobile without rebuilding your architecture. FMC slots in as a mobile layer—same routing logic, same platform, same billing.

Mobile-First Enterprises

For organisations where staff are always on the move—sales teams, field service, consultants—FMC delivers full PBX features without desk phones or VPN requirements.

MVNO & New Entrants

Launching a mobile proposition? IQ Mobile's wholesale model means no upfront network investment. White-label SIMs, flexible commercials, and a full UK launch stack.

API-First Architecture

Manage Mobile Like VoIP Endpoints

Traditional mobile offerings limit control to predefined configurations. IQ Mobile gives partners the same programmatic control over SIMs that they already have over VoIP endpoints—via a real-time REST API.

A SIM can move from unassigned to a fully FMC-enabled user in minutes—reducing provisioning time, operational overhead, and time to revenue.

Provision & activate SIMs
Apply and modify bundles
Configure SIP & FMC settings
Suspend, modify, terminate
Near real-time CDRs
Live in under 5 minutes
eSIM QR code delivery
VoLTE & VoWiFi controls

Get creative.
Build something awesome.

The IQ Mobile API is built for builders. Automate provisioning, wire up your billing stack, embed FMC into your own platform — or create something entirely new. If you can imagine it, the API can deliver it.

  • Lookup SIMs by Supabase ID, email, MSISDN or ICCID
  • Stripe-linked ordering and billing reschedule
  • eSIM activation with QR code delivery
  • Full call barring, roaming, and CLI controls
POST /api/simcards/activate-subscription
// Activate a SIM and bind it to your PBX in one call
{
  "iccid": "8944xxxxxxxxxxxxxxx",
  "sip_host": "pbx.yourcompany.com",
  "sip_username": "2001",
  "call_recording": true
}

// ← Response
{
  "status": "activating",
  "eta": "< 5 minutes"
}

Choose Your FMC Path

Whether you're a partner or an enterprise, we have the right solution

Partner Solution

  • Handle your own billing
  • Implement your own systems
  • Manage the customer relationships
  • Integrate our SIMs with your VoIP stack
  • White-labelled SIMs
  • Our SIMs as extensions on your platform

Click to see more details

Partner Solution

  • 3CX, Asterisk, Broadsoft, Freeswitch, Fusion PBX, Telepo, Dracthio, Kamailio
  • 70+ partners already integrated and live
  • Compatible with many more via API
  • Setup fee + commitment required
  • Dedicated partner onboarding support

Click to flip back

Enterprise Solution

  • Direct routing to your PBX
  • Buy SIMs individually from our web store
  • Configure FMC in our portal
  • Install the SIM in the device
  • Route calls in less than 5 minutes
  • Complete mobile estate management on one bill

Click to see more details

Enterprise Solution

  • Additional configuration and testing supported
  • AI transcription add-on available
  • Call recording services
  • Automation integrations available
  • Get in touch today

Click to flip back

Why IQ Mobile?

The network, the platform, and the people behind one of the UK's fastest-growing FMC partner programmes.

70+ Active Partners

A fast-growing network of VoIP resellers, IT managed service providers, and telecoms providers already integrated and live.

8+ PBX Platforms Integrated

3CX, Asterisk, Freeswitch, Broadsoft, Fusion PBX, Telepo, Dracthio, Kamailio—and more added regularly by demand.

White-Label Ready

Your brand, your pricing, our infrastructure. Full white-label SIM capability so your customers only ever see you.

Flexible Commercials

No large upfront investment. Wholesale, partner-focused model—test the market, iterate, and scale based on real demand.

IQ Mobile FMC vs The Market

Network-level FMC vs app-dependent delivery—by the numbers

FeatureIQ Mobile FMCTypical App Solution
Delivery MethodNetwork-level (PSTN routing)App-dependent (VoIP over data)
Mobile Data RequiredNo — works on voice networkYes — requires stable data or WiFi
User ExperienceNative dialler — zero learning curveSeparate app install and login
PBX Platforms Supported3CX, Asterisk, Broadsoft, Freeswitch, Fusion PBX, Telepo, Dracthio, KamailioPlatform-specific only
Active Partners70+N/A
SIM ProvisioningREST API — live in under 5 minutesManual / slow
CDR ReportingNear real-timeDelayed / limited
Call RecordingNative, platform-configuredApp-dependent, inconsistent
White LabelFull white-label SIM capabilityRarely available
Number PortingGeographic, 08xx, mobileLimited
End-to-End IntegrationsSupabase, Royal Mail, StripeNone
Complete UK MVNO Launch

Everything You Need to Launch a UK Mobile Service

FMC is just one piece. IQ Mobile connects every layer of a UK mobile proposition—from the SIM to the doorstep to the billing system. One partner. One conversation.

End-to-End Integration Stack

Supabase

Real-time database for customer, SIM, and usage data

Royal Mail

Integrated fulfilment for SIM despatch and tracking

Stripe

Billing automation and recurring payment management

How It Works

Simple setup, powerful features—from first call to full deployment

1

Requirements Review

We assess your PBX environment, platform, and integration requirements

2

Platform Integration

Configure SIP routing, call flows, and FMC settings via API or portal

3

SIM Deployment

SIMs provisioned and delivered—FMC-enabled in under 5 minutes

4

Live & Supported

Ongoing technical support, CDR access, and platform management

Frequently Asked Questions

Everything you need to know

Ready to Transform Your Business Connectivity?

Let's discuss how IQ Mobile can support your organization with tailored mobile and connectivity solutions.