Could somebody tell me where the setting is so I can hard set the ringtone volume across all handsets, so that the user cannot change the setting?

Here in the US its 15-02-27

Hi Dans,

Thanks, my option there is to revert to defualt, does that mean after a system reset?

Definition from the manual. This works on an individual extension level, not related to a system reset. Either it keeps the volume level set by the user, or it reverts back to a predefined level.
15-02-27 Handset Volume 0 = Back to Default (Back)
1 = Stay at previous level (Stay)
Determine how an extension handset volume is set after it is adjusted during a call.
When 1 is assigned in this program and a user sets the volume to maximum, the volume is reset to a level to meet FCC standards when the user hangs up.

Thanks, what I am trying to achieve is to stop the users from turning down their ringing volume for incoming calls, I want the system to control the volume and not the handset itself. Is this possible?

Pete83uk

I apologize for I miss read your post, 15-02-27 is for handset volume, I will look up ring volume and see if it can be locked.