Thank you for your feedback!
Does my Verizon Samsung Intensity™ III have a Speakerphone feature?
Your mobile device has a speakerphone function.
During an active call, press the Speakerphone key. To deactivate the speakerphone function, press the Speakerphone key again.
Note: Sliding open the device to access the QWERTY keyboard will also activate the speakerphone function.