How to change ringtone on Meridian M5216 - Nortel Networks M5216 Phone

by going to settings and then sounds. But first you need to buy some ringtones or make some in itunes using instructions here.
http://www.idownloadblog.com/2013/05/16/how-to-create-ringtones-in-itunes/

See page 16 of the document below, however whether that works depends on how the centrex system is programmed.
http://www.bu.edu/tech/files/2009/09/M5216userguide.pdf

feature * 6

If you want to get how to change ringtones on iPhone 8, you can simply accomplish it on your iPhone 8. What you need to do is open your ringtone settings to set ringtones on iPhone 8. How to change ringtones on iOS 10? Let's see how.
1. To set ringtones on iPhone 8, you need to open the settings app.
2. Tap on "Sounds" and head to "SOUNDS AND VIBRATION PATTERNS", then press "Ringtones".
3. You will see a list of ringtones under "RINGTONES". Simply tap on the ringtone you want to change and you will see a tick before the ringtone name, which means you complete how to change ringtones on iOS 10.

For more details, check: How to Change Custom Ringtone on iPhone

Local bike shop may have a way to find one and install it for you.

http://www.best4systems.co.uk/_design/best4systems/_pdf/Phones/Meridian_Option/Meridian_Norstar_M3820_M3310_M3110.pdf

Above is your manual this should sort things out.

you can easily change the ringtone. Follow these steps:

1. In Idle mode, press <Menu>--> Settings --> Phone Settings --> Phone Profiles.

2. Scroll to a profile.

3 Press <Options>--> Edit -->Voice call ringtone.

4. Select a ringtone category --> a ringtone.

5. Press <Options> --> Save profile.

Now you are done changing you ringtone. Try it!!!

Feature *6

It's in your settings. Just try to change the ringing mode. Set plain instead of ascending