Table of Contents
What is call waiting?
How to check and enable call waiting function?
What should I do if the call waiting fails when using iPhone abroad?
Sometimes the call wait does not ring? Maybe these reasons
Home Mobile Tutorial iPhone How to turn on call waiting on iPhone

How to turn on call waiting on iPhone

Jul 17, 2025 am 03:34 AM

Call waiting feature not enabled or carriers do not support it will cause the iPhone to not answer another incoming call during a call. 1. Call waiting is a basic function provided by the operator, allowing users to switch incoming calls during calls. The default situation is free and no additional applications are required; 2. Check whether "Call Waiting" is on in iPhone Settings > Phone. If it is turned off, please contact the operator to confirm whether it is enabled; 3. When using abroad, it may fail due to the operator's lack of support or the specific code activation (such as *43#). You can dial up and test or consult the local operator in advance; 4. Call waiting is not ringing, which may be caused by the caller's hidden number, weak signal, VoLTE restrictions, or using FaceTime/iMessage. Try to restart the device or plug and unplug the SIM card.

How to turn on call waiting on iPhone

If you are using an iPhone but find that you cannot answer another call during a call, it is very likely that the "Call Wait" function is not turned on. This function is usually enabled by default, but sometimes it is turned off or the operator does not support it and needs to be set manually.

How to turn on call waiting on iPhone

What is call waiting?

Call waiting is a basic feature provided by the operator. When you are making a call, if another incoming call comes in, the phone will prompt you with a new call and allow you to switch between two calls.
This feature is not available for an extra fee (in most cases), nor does it require special applications to be installed, and can be used directly on your iPhone as long as your carrier supports it and is enabled.

How to check and enable call waiting function?

There is no separate switch in the iPhone settings to control call waiting, it is actually controlled through the operator network. You can confirm whether it is enabled by:

How to turn on call waiting on iPhone
  • Open Settings > Phone
  • Check whether Call Waiting is displayed as "On". If "Close" is displayed, it means your carrier does not enable this feature

If you find that "Call Wait" is displayed as "Close", you need to contact the operator's customer service to confirm whether they have enabled the service for you. Some packages may not include this feature by default, especially prepaid numbers or certain international operators.

What should I do if the call waiting fails when using iPhone abroad?

If you use a roaming customer service card abroad, you may encounter the problem of call waiting failure. This is because operators in different countries support this feature differently.

How to turn on call waiting on iPhone
  • Operators in some countries do not support call waiting at all
  • Some require you to send specific codes to activate functions first (such as dialing input *43# on, #43# off)
  • If you are not sure, try calling the test call: have a friend call you, and you can answer another call on the call.

If you are on business or traveling frequently, it is recommended to know in advance whether the local operator supports call waiting to avoid affecting work communication.

Sometimes the call wait does not ring? Maybe these reasons

Sometimes you may not receive a second call prompt even if the function is turned on. This is usually because:

  • The second caller selected "Hide Number" or used the privacy settings
  • Weak network signal leads to failure to identify the second call in time
  • Some carriers restrict call waiting when using VoLTE
  • Using FaceTime or iMessage voice calls instead of traditional voice lines

If you encounter this situation, you can try restarting your phone or re-plugging and unplugging the SIM card to see if it recovers.

Basically that's it. Turning on call waiting is not complicated in itself, but it is easy to ignore the operator link. If you are sure that the settings are OK, then go and ask customer service.

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