Is there a way to clears a person voicemail's greeting/name without deleting the whole mailbox? Also, what is the easiest way for an admin to delete all the voicemails in ones' mailbox without having to change their passwords?

For Unity, is there way to associate a mailbox from one AD user to another AD user without deleting the mailbox? 

When calls come in at the primary and secondary numbers at the same time or very close, is there a way to force the headset to pick up the primary number over the secondary? I don't want to use the "always use primary line" as I also want to pick up ...

Is there a way to set the font size to large for all current and future deploy phones without going to individual phones to set it in the setting?

Is there one pattern to rule them all for all internal numbers that will strip the 91 in the front if the end user dial that?We have multiple sites throughout US that have different area code and exchange code. Doing them one by one is doable but don...