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To send incoming calls elsewhere when your Samsung line is busy, open Phone > More options (⋮) > Settings > Supplementary services > Call forwarding, choose Forward when busy, enter a destination number, and tap Enable. The option must be supported by your carrier, and labels can vary by Galaxy model, software version, and region.
Set up forwarding for a busy line
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Open the Phone app.
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Tap More options (the three-dot icon), then Settings.
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Tap Supplementary services, then Call forwarding.
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If asked, select the SIM or line you want to configure. On some phones, you may also need to tap Voice calls.
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Tap Forward when busy.
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Enter the phone number that should receive forwarded calls, or choose a contact, then tap Enable.
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Samsung’s US support page gives the usual menu route and lists “Forward when busy” as one of the forwarding options. Its Philippines and Saudi Arabia guidance also describes choosing a SIM and Voice calls where prompted, then enabling the rule. Menu labels and screens may differ by device and region. Samsung US support · Samsung Philippines support · Samsung Saudi Arabia support
Choose the forwarding condition that matches what you want
Samsung lists four separate call-forwarding conditions. Choose the one that describes when calls should go to the destination number:
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Always forward: forwards incoming calls regardless of whether your line is busy.
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Forward when busy: applies to the busy-line condition.
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Forward when unanswered: applies when you do not answer.
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Forward when unreachable: applies when your phone or network is unavailable.
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Call waiting and other network settings can affect how a carrier handles incoming calls; Samsung’s general instructions do not establish how every carrier treats those interactions. Check with your carrier if the behavior is not what you expect. Samsung US support · Samsung Philippines support
Turn off forwarding when busy
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Return to Phone > More options > Settings > Supplementary services > Call forwarding.
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Select the relevant SIM or line if prompted, then choose the active Forward when busy setting.
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Tap Disable.
The exact screen can differ across devices. Samsung’s Philippines support documents disabling an active forwarding setting; its Saudi Arabia instructions also describe disabling forwarding. Samsung Philippines support · Samsung Saudi Arabia support
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.If the option is missing or will not activate
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No Call forwarding option or an activation error: Call forwarding is a carrier service, and support can depend on your carrier, plan, and phone model. Ask your carrier whether forwarding is enabled for your line and which activation method applies. Samsung Russia support
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You use two SIMs: Confirm that you selected the line whose calls you want to forward. Ask the carrier about support for that particular line if activation fails.
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The menu wording is different: Samsung notes that steps can vary by model and software version. Look in the Phone app’s settings for call-forwarding controls; the carrier or regional software may use different labels. Samsung US support
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A number is already filled in or cannot be removed: Samsung Russia notes that voicemail or a caller-notification service may occupy the forwarding number field in some cases. Its guidance is region-specific, so contact your carrier to identify what is set on your line or whether plan settings need to change. Samsung Russia support
There is no single activation code, fee, or billing rule established across carriers and regions by these Samsung instructions. Ask your carrier about any charges and whether it requires a separate activation process.
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