Learn how to block calls, forward calls, use the call log, and enable touch tones on the Samsung Galaxy S 4. Find out more on this page:
Touch tones (DTMF)
To block incoming calls from a number, follow these steps:
Note: To block any incoming call that is not added to the reject list, touch the red Phone icon and drag it to the left.
To allow incoming calls from a number you previously blocked, follow these steps:
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To turn off or cancel call forwarding that you have set up, follow these steps:
Call Forwarding Unconditional (CFU) immediately forwards all calls to another phone number without allowing the device to ring.
To forward all calls, follow these steps:
Call Forwarding Conditional (CFC) forwards incoming calls to another phone number if you do not or cannot answer them (no reply, busy, unavailable).
To turn on conditional call forwarding which forwards some calls, follow these steps:
To reset or clear the call log or history, follow these steps:
Call logs may approximate the amount of time you have spent on phone calls, but they do not accurately show how much time T-Mobile bills.
To view call logs or history, follow these steps:
Your phone uses touch tones (DTMF) but you cannot turn the feature off.
Your device can send a number to the network as dual tone multi-frequency (DTMF) tones. DTMF tones are used to communicate with automated systems that require you to type a number such as a code, password, or credit card number. Your phone uses DTMF tones but you cannot turn off or change them.
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