See Native Dialer Call / Feature Codes for info on available dialer codes.
Direct Transfer from Enhanced Dialer (Samsung Galaxy S9 / S9+)
Direct Transfer from Mobile App / Enhanced Dialer (Samsung Galaxy S6 / S7)
Direct Transfer from Desk Phone
Direct Transfer from One Talk DECT IP Cordless Phone - W56HV Handset
You can also select other W56HV Handset models sharing the same phone number and transfer (e.g., Transfer from Handset 1 to Handset 2).
Related Topic: Consultative Transfer Call - One Talk