FAQs

Sign up

• 📱 What device can I use?
• 🛒 How do I order more than one SIM
• 🔢 Can I choose my number?
• 👥 Can I have one number on multiple SIMs?
• ⏳ Is there a trial period available?
• 💳 I haven't used my SIM yet—am I entitled to a refund?

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Pricing

• 💳 SIM & eSIM Costs
• 💰 How much does a SIM cost with the landline sim service?
• ➕ Can I add additional numbers to my SIM?
• ⏺️ Can I record my calls?
• 🌳 Can I have an IVR / Menu?
• 💎 Are calls to UK Premium rate numbers included in the bundles?

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Numbering

• 🔎 How to find your chosen landline number
• 🔢 What number will be displayed when I make a call?
• 💬 What number will be displayed when I send an SMS?

VOLTE

• 🌐 What is VoLTE and Why Does It Matter?
• 🌐 The 6 Key Benefits of VoLTE
• 🕵️ How Can I Tell I'm Using VoLTE?
• 💰 Does VoLTE cost more?
• ⚖️ Is VoLTE the same as VoIP?
• 💸 Does making a VoLTE call use my data allowance?

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Troubleshooting

• 📶 Why is my data not working?
• 📵 Why are my calls going straight to voicemail?

Other

• 🌍 Can I receive calls from International Numbers?
• 🚀 Why ONSIM? The Future of Business Mobility
• 🚀 Why ONSIM? Beyond the Standard Mobile Network
• 📱 Do I need to download an app?
• 🛫 Can I use my SIM outside of the UK?
• 🌐 What network do the SIMS use?

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