How do I put a call on speaker instead of handset?

Description

• How do I put a call on speaker instead of handset or headset?
• When I click on the speaker button, it doesn't go to speaker.

Resolution

case: I am using a Mitel (AASTRA phone)

1. Locate the speaker icon button and press on it.
• Usually looks like a coloured speaker icon
• It may also look like a green speaker/headset icon. 
2. If the speaker phone are not on, press the speaker icon button again.
3. If the speaker phone is still not on, then:
1. End the call. 
2. Press the wrench icon (it may look like a wheel or a rounded gear).
3. Scroll to the right until you see Audio (or Audio Mode).
4. Select.
5. If you also have a Headset, scroll down to Headset/Speaker and press Save.
6. If you do not have a Headset, scroll up to Speaker and press Save.
7. Quit. 
8. Do a test call and toggle the speaker button.

case: I am using another phone brand

1. Locate the speaker icon button and press on it.
• Usually looks like a coloured speaker icon
• It may also look like a speaker/headset icon. 
2. The call is now on speakers.
3. Adjust the volume using the volume buttons if necessary.
4. If you would like to take the call back to handset, then press the speaker button again.