Why call forwarding on your iPhone goes wrong
You think call forwarding on your iPhone is simple. Open Settings, turn on call forwarding, done. Most people do that. They miss important calls, pay unnecessarily high bills, or face surprises when they want to make calls with their AirPods.
However, the problem isn't with the technology itself. It lies in what no one tells you: call forwarding only works well if you know when not to use it. That missed business deal because you forwarded to your private number which was off? That sky-high bill because you forwarded to an international number? All preventable. With the right accessories and a smart approach, you'll always remain reachable, without falling into the traps that 90% of iPhone users encounter.
Useful links
The three biggest mistakes with iPhone call forwarding
Call forwarding seems so simple. Yet, most iPhone users get it wrong. Not because the technology is complicated, but because they make three crucial mistakes that no one tells them about. These mistakes not only cost them money but can also ruin business opportunities.
Mistake 1: Call forwarding without context
Most people enable call forwarding without considering when it becomes active. Your iPhone has different call forwarding scenarios:
- Immediate call forwarding (all calls)
- When busy
- When no answer
- When unreachable
If you enable everything, your device will even forward calls when you're just sitting next to your phone. That important client calls your business number but ends up on your private device in the bedroom. Result: a missed deal.
Mistake 2: The international pitfall
Forwarding calls to an international number during your holiday sounds logical. Until the bill arrives. Providers charge twice: first for receiving the call on your Dutch number, then for forwarding it internationally. With some providers, this can amount to €3 per minute.
The alternative? Use Wi-Fi calling or apps like WhatsApp Business for business accessibility. You maintain your professionalism without the exorbitant costs.
Mistake 3: Forgetting to disable it
The classic scenario: you forward calls during a meeting but forget to turn it off. Weeks later, you wonder why no one is calling you. Meanwhile, all your calls are going to the voicemail system of your old work phone.
When call forwarding IS smart
There are situations where call forwarding genuinely makes your life easier. It's about recognizing the right moments:
Scenario 1: The dual phone
Do you have a business and private iPhone? Forward your business device to your private one, but only for 'no answer' after 25 seconds. This way, you get the chance to answer business calls on the correct device, but you don't miss them if you're briefly away.
Scenario 2: Poor reception
In buildings with poor reception, you can forward calls to a landline number. Set this up with 'when unreachable' instead of forwarding everything. Your phone will first try to connect normally.
Scenario 3: Planned unavailability
Airplane mode during a flight? Forward calls to a colleague who is covering for you beforehand. Use temporary forwarding via your provider's shortcodes for this, not through the iPhone settings. This prevents you from forgetting to turn it off.
The smart call forwarding strategy
A good call forwarding strategy begins with asking the right questions:
- Why do I want to forward calls? (unreachable, busy, holiday)
- Who should receive my calls? (colleague, voicemail, another device)
- When should it be active? (always, when no answer, when busy)
- What are the costs? (always check this with your provider)
Practical alternatives to call forwarding
Before forwarding calls, consider these alternatives that often work better:
Using Dual-SIM
Modern iPhones support dual-SIM via eSIM. Place both numbers in one device. No call forwarding needed; all calls come in on the same device. This works especially well if you have a business and a private number.
Do Not Disturb with exceptions
Instead of call forwarding, you can use 'Do Not Disturb' with exceptions for important contacts. These people can always reach you; everyone else goes to voicemail. No extra costs, complete control.
Optimally utilizing visual voicemail
Let people leave a message and listen to it when it suits you. With visual voicemail, you immediately see who called and can prioritize. No call forwarding costs, no missed information.
The technical details you need to know
Call forwarding works via GSM codes that are universal, regardless of your provider. You can enter these codes directly into the phone app:
- **21*phonenumber# for unconditional call forwarding
- **61*phonenumber# for call forwarding when no answer
- **62*phonenumber# for call forwarding when unreachable
- **67*phonenumber# for call forwarding when busy
To disable, replace ** with ##. This method is faster than using the settings and gives you more control over specific situations.
Call forwarding and your battery life
What no one tells you: call forwarding affects your battery life. Your device constantly communicates with the network to check the call forwarding status. With an older iPhone, this can make the difference between a full day of battery or needing to charge around four in the afternoon.
The solution? Use conditional call forwarding (only when no answer or unreachable) instead of forwarding everything. This saves battery because your phone doesn't have to constantly inform the network.
Business call forwarding without problems
For business users, there are additional considerations. Forwarding calls to a private number can lead to issues with company policy and privacy. Some tips:
- Use a business voicemail with clear instructions
- Forward calls to a central company number, not to personal devices
- Inform colleagues when you forward calls and to whom
- Test the forwarding before you become unreachable
The future of accessibility
Apple is working on smarter solutions for accessibility. Think of automatic call forwarding based on your location or calendar. Until then, you have to manage it yourself. With the right knowledge, you can avoid the pitfalls that most users fall into. Call forwarding is a powerful tool, but only if you know when not to use it.
Smart call forwarding starts with the right questions
Call forwarding on your iPhone isn't rocket science, but most users fall into the same traps. They forward everything without thinking, pay through the nose for international costs, or simply forget to turn it off.
The solution isn't more technical knowledge, but asking the right questions beforehand. Why do you want to forward calls? What will it cost? Is there a smarter alternative? With dual-SIM, smart use of Do Not Disturb, or simply a good voicemail, you often get further. Call forwarding remains a handy tool, but only if you understand when it's better not to use it.
