Wefone SmartSim
Your business phone number, glued to an eSim.
Your office number. Your mobile. One eSIM.
Make and receive calls on your phone's native dial-pad: Displaying your office landline on outbound calls and extending your office phone to whereever you have mobile coverage.
No apps, no data, no juggling.
What does Wefone's SmartSim offer?
Its your landline on an eSim! (or regular SIM)
Adopts the feature set of your Wefone office Extension!
Displays your office phone number when making calls.
Remain part of call groups, transfer calls, & record calls even when your not at your desk & on the road.
Receive calls to your office landline directly on your SIM.
Apply schedules for when you will recieve calls on your SmartSim & keep personal numbers private.
Choose Your SmartSim Plan
Flexible options to fit your business needs
SmartSim Go
Your Landline on an eSim!
- Present landline caller ID on Calls
- Receive landline calls on eSim
- Your office extension on eSim
- Unlimited UK calls & texts
SmartSim Pro
Build your Pro with options from
- Add UK data allowances
- EU roaming
- UK to International call bundles
- Mobile call recording
- And much more.......
Who It's For
SmartSim is designed for teams who want to stay connected, professional, and flexible:
Field & Hybrid Workers
logistics, sales, engineers, on-call professionals.
Financial & Legal Teams
where call recording and compliance matter.
Businesses with BYOD Policies
add a work number via eSIM to keep personal life separate.
Growing SMEs
scaling fast but don't want costly hardware or IT complexity.
Use Cases
On the road
Drivers, consultants, and field engineers take their office line with them.
Hybrid working
Present a single professional number whether at your desk, home, or out meeting clients.
BYOD-friendly teams
Employees use their own mobile, but with a separate business line.
Customer-facing roles
Always present the main business number to clients, never a personal mobile.
What Sets It Apart
Not an App
Unlike VoIP apps, SmartSim runs on the UK's leading mobile provider for the last 12 years using their 2G, 4G, and 5G mobile network. That means you can count on reliable call quality and always-on coverage.
Always Connected
Make and receive calls on your business number directly from your mobile. No more juggling devices or worrying about if you have data coverage or Wi-Fi.
More Control
Add mobiles to call groups, set business hours, and even record calls, all natively on your device. Keep work and personal life separate while staying professional.
No Compromises
Bring mobile into your Wefone cloud platform without losing features or flexibility. From call menus to voicemail to transfers, SmartSim integrates seamlessly into your workflows.
How It Works
Choose Your Number
Choose a new business number, or port your existing number.
Select SmartSim plan
Order SmartSims (pSIM or eSim).
Manage Features
Set up the features to adopt from your Wefone extension through our secure online portal.
Activate & Start Calling
Scan the QR code to activate you eSim, or Slot in our regular Sim and start calling, your mobile is now your business extension and phone line.
Ready to Transform Your Business Communication?
Lets get Started, talk is cheap, but collaboration is priceless!
No commitment required • Free setup assistance • 30-day money-back guarantee