“Number Off Tune Call All Number” is a telecom service feature that plays a switched-off or unavailable message to the caller instead of a normal ringtone.

For example, when someone calls your number, they will hear:

“This number is switched off.”

“Currently, the number you are calling is not available.”

This feature is useful when:

You don’t want to pick unnecessary calls.

You want to appear offline or unavailable.

You want to keep your privacy.

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Benefits of Using Number Off Tune Service

Keeps you disturbance-free.

Makes callers think your phone is switched off.

Prevents spam and marketing calls.

Easy to activate and deactivate anytime.

Works on both smartphones and basic phones.

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How to Set Number Off Tune Call All Number

You can activate this service in two main ways:

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Method 1 – Using USSD Code

1. Open your phone’s dial pad.

2. Dial the operator-specific USSD code (for example: *123#).

3. From the menu, choose Caller Tune / Tune Service.

4. Search for Switched Off Tone.

5. Activate it by confirming the selection.

👉 Note: Each telecom operator has its own USSD code. Check your operator’s official website for updated codes.

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Method 2 – Using Official Mobile App

1. Download your operator’s official app (Airtel, Jio, Grameenphone, Robi, etc.).

2. Login with your mobile number and OTP.

3. Go to Caller Tune / Call Management section.

4. Search for “Number Off” or “Switched Off” tune.

5. Tap Set as Tune and confirm.

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How to Deactivate Number Off Tune Service

Sometimes you may want to remove this feature. You can:

Dial the deactivation code (example: *456#).

Or open the mobile app → My Services → Deactivate Caller Tune.

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Alternative Method – Call Forwarding Trick

If your operator doesn’t provide a ready-made “switched off” tune, you can use call forwarding:

1. Go to Phone Settings → Call Settings → Call Forwarding.

2. Choose “Forward when unreachable.”

3. Enter an invalid or unused number.

4. Now, when someone calls you, they’ll hear Number Off message.

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Common Problems and Fixes

Problem: Caller still hears normal ring.

Solution: Re-check tune activation in app/USSD.

Problem: Wrong tune applied.

Solution: Open app → My Tunes → Change Tune.

Problem: Deactivation not working.

Solution: Contact customer care.

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Internal and External Resources

📌 Interna Link (Example):

https://yourwebsite.com/how-to-set-custom-ringtone

📌 External Link (Example):

https://www.airtel.in/callertunes

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Final Thoughts

The “Number Off Tune Call All Number” is an extremely handy feature for those who want privacy and peace of mind. With just a few simple steps, you can make sure that every caller hears a switched-off message instead of a normal ringtone.

👉 Whether you choose USSD codes, the official app, or the call forwarding trick, the process is beginner-friendly and works on almost every mobile operator.

So, if you want to stay disturbance-free and keep your call

ers thinking your phone is switched off — set this up today!