Turning The Speakerphone On And Off - Samsung SGH-S730HKATFN User Manual

To switch between the two calls:
Tap
Note: The currently active call is displayed on top and shows an
adjacent call length indicator. The previous call shows "ON
HOLD".

Turning the Speakerphone on and off

While on a call, you can use your Speakerphone by following these
steps:
1. Tap
2. Tap
Tip: When the speaker is turned On, a bar appears below the icon.
When the speaker is turned Off, only the icon appears.
70
(Swap).
(Speaker off) to toggle the speakerphone on.
(Speaker on) to toggle the speakerphone off.