Samsung SGH-T679 User Manual (user Manual) (ver.f9) (English(north America)) - Page 60

When Action Then Displays on the You are connected to the screen status T-Mobile network and can bar. make Wi-Fi calls. Displays on the screen status bar. The feature is active and you are using with within your current active call. Does not display You are charged normal on the screen calling rate minutes. For status bar. more information, refer to "Wi-Fi" on page 154. 5. Use the phone Dialer, call log, or contacts list to make a call. For more information, refer to "Making a Call" on page 48. 6. Confirm you established a Wi-Fi calling connection to the T-Mobile network by making sure appears at the top of the screen before you place your new call and appears during the call. In Call Options Your phone provides a number of features that are available for use during a call. Place a call on hold Adds a new call Dials the number Call duration Ends the call Activates or Deactivates speakerphone Mutes or Unmutes the call Activates or Deactivates Bluetooth Headset Adjusting the Call Volume During a call, use the Volume keys on the left side of the phone, to adjust the earpiece volume. ᮣ Press the Up volume key to increase the volume level and the Down volume key to decrease the level. - or - During a call, press the Up Volume key on the side of the device. 56