Set Up Call Forwarding: How to Redirect Your Calls Easily

Have you ever missed an important call because you were unavailable? With call forwarding, you can ensure that your calls always reach you—whether you’re on vacation, your phone is turned off, or you’re in a meeting. But how does call forwarding work exactly, and what options are available? In this article, you’ll learn how to set up call forwarding, disable it, and what to consider when adjusting your call settings.
Why Call Forwarding Is Useful

Call forwarding offers many benefits for both personal and business use. Here are the key reasons why setting up call forwarding is worth it:
Advantage | Description |
---|---|
Always reachable | Never miss a call, even if your phone is off or has no signal. Calls can be forwarded instead of going to voicemail. |
Convenient for business & personal use | Ideal for professionals on the go or individuals using multiple devices, such as a landline and a smartphone. |
Saves time & reduces stress | No more worrying about missed calls or constantly checking your phone. |
Activating Call Forwarding – First Steps
Before setting up call forwarding, you should know how to activate it on your device. The process varies depending on the device and whether you are using a landline or a mobile phone.
Settings for iOS & Android
Operating System | Menu Path for Call Forwarding |
---|---|
iOS (iPhone) | Settings > Phone > Call Forwarding |
Android (e.g., Samsung) | Phone App > Settings > Calls > Call Forwarding |
Easy Ways to Activate Call Forwarding
There are different methods to set up and disable call forwarding, depending on your device:
- Via smartphone settings (Check the user manual for details)
- Using special GSM codes
- Via customer service of your provider
GSM Codes for Call Forwarding
Call Forwarding Type | Code to Activate |
---|---|
Immediate forwarding | 21*DestinationNumber# |
When busy | 67*DestinationNumber# |
When not answered | 61*DestinationNumber# |
Step-by-Step Guide to Setting Up Call Forwarding
You can configure different call forwarding options depending on your needs:
- Immediate call forwarding: All calls are directly forwarded to another number, regardless of whether your phone is available.
- Forwarding when busy: Calls are forwarded only when you are on another call. You can forward them to voicemail or another number.
- Forwarding when not answered: If you don’t pick up, the call is redirected to another chosen number instead of being missed.

Call Forwarding Options by Provider
Call forwarding options may vary depending on your provider or SIM card. Some providers offer advanced forwarding settings.
Method | Advantages |
---|---|
Directly on the phone | Quick and easy setup |
Through the provider | More customization options |
Examples of Call Forwarding Activation for Swiss Providers:
- Yallo: Use 21086 + your mobile number (07x xxx xx xx) to forward calls to your Yallo voicemail.
- Wingo: Dial 4186 followed by your phone number.
Common Mistakes and How to Avoid Them
Even with call forwarding, errors can occur. Here are some common issues and solutions:
- Multiple active forwards: Check that you don’t have multiple forwarding settings enabled, as this can create an endless loop.
- International forwarding costs: Some providers charge high fees for forwarding calls abroad. Check your provider’s rates in advance.
- Incorrect code input: Always double-check GSM codes after entering them on your device to avoid typos.
Conclusion: Ensure Smooth Call Forwarding
Call forwarding is a simple way to improve your availability, whether on a landline or mobile phone. Choose the right type of forwarding and check your settings regularly to avoid missing important calls. You can either forward all calls or set conditions for when calls should be redirected.
FAQ – Frequently Asked Questions About Call Forwarding
Call forwarding automatically redirects incoming calls to another number.
Go to your phone’s call settings or use GSM codes.
• 21*DestinationNumber# → Immediate forwarding
• 67*DestinationNumber# → Forward when busy
• 61*DestinationNumber# → Forward when not answered
Absolute forwarding redirects all calls, while conditional forwarding only applies in specific situations (e.g., when the line is busy).
Use the GSM code 67*DestinationNumber# or adjust your phone’s settings.
Yes, you can combine different conditions, such as forwarding when busy and when not answered.
Dial #21# to see if forwarding is enabled.
Forwarding within your network is often free, but international call forwarding may incur high fees.
Yes, landline services often provide more advanced call management options.
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Use the Sunrise network coverage map on alao to check reception quality after forwarding calls.