You can view key supplementary services.

Call Forward_Voice Only

This service connects the call arriving at the mobile phone ‘immediately’ to a desired phone (010, 011, 017, PCS and general phones).

If you subscribed to the Call Forward_Voice Only after May 1, 2009, you can use up to 270 minutes of voice call connections per month from August 1, 2009.

Charges : ￦ 990(VAT included)

Please Note

• As fees will be charged even after disabling the settings (*73+call), if you do not want to use the service, please cancel it.
• If you are currently subscribed to the general call forwarding service, it will be canceled upon subscribing to the Call Forwarding (Voice only) service. You can also subscribe to the automatic call connection service; however, simultaneous use of both services is not supported.
• If this service is used for purposes other than service provision, its use may be restricted — for example, cancellation of the add-on service, suspension of the use of mobile number, or cancellation of the use of mobile number at the provider’s discretion.
• ARS authentication calls, such as those for financial transactions and personal authentication, may not be available for call forwarding.
• For calls not wanted by the receiver (the number set up for call forwarding), the number registered for the service can be deleted.
• Types of registrable numbers
  • Mobile numbers (010), wired local phone numbers (02~064), beeper numbers (012, 015), special wireless numbers (0130~0132), and Internet phone numbers (070)
• Types of unregistrable numbers
  • Special numbers (e.g., 1YY, 1YYY, area code+1YY, area code+1YYY, etc.), international phone numbers (e.g., 00X, 003YY, 007YY, etc.), common service identification number (e.g., 030, 050, 060, 080, etc.), representative numbers (e.g., 14XX, 15XX,16XX, 18XX, area code+15XX, area code+16XX, etc.)
• You can forward calls to another phone for up to 270 minutes per month. After that, the add-on service will be suspended.
• You can forward additional calls by cancelling the “general call forwarding upper limit suspension” service through the customer center (114 on mobile phone - free) or T world online.
• However, minors under the age of 19 or users on Ting mobile plan are not eligible to cancel the general forwarding upper limit suspension service.
  • If additional usage is requested, the voice call forwarding service will be available for up to 1,000 minutes, including the free usage.
• Criteria for usage-based fees (fixed monthly fee not included)
• Calls
  • Up to 270 minutes: Free of charge (the forwarding upper limit suspension is activated after 270 minutes of call forwarding)
  • From the cancellation of the upper limit suspension until 1,000 minutes: ￦1.98/sec
  • After exceeding 1,000 minutes: The service is no longer available for the given month (the upper usage limit automatically resets on the first day of the following month)
    ※ When using the call forwarding service starting from May 1, 2025, if the receiving number is on SKT, the forwarding service for calls will be provided without limit. In the case of forwarding to a number on another carrier, the service remains free of charge within a monthly call limit of 270 minutes, as previously provided.
    ※ After using up the free allowance of 270 minutes for call forwarding to numbers on other carriers, the call forwarding upper limit suspension is applied, regardless of whether the forwarded number is on SKT or another carrier. After this, if users cancel the call forwarding upper limit suspension and use the forwarding service, call forwarding to an SKT number is unlimited (free of charge), while forwarding to numbers on other carriers is available up to 1,000 minutes (￦1.98/sec).
    (However, if the service is suspended after 1,000 minutes of call forwarding to numbers on other carriers is exhausted, setting up and using the forwarding service will not be available, regardless of whether the destination number is on SKT or another carrier.)