Iphone 5. How do you control the speaker phone to turn on or off?

Hello Phillip,

Thank you for the question. Use the steps below to turn speakerphone on and off:

Use the speakerphone.

While on a call, tap to switch to speakerphone. Tap again to turn off the speakerphone.

If you've connected a Bluetooth device, you can select speaker or your device by tapping .

iPhone Basics - Use the speakerphone

http://support.apple.com/kb/TI10

Thank you for using Apple Support Communities.

Best,

Sheila M.