Description
Ring signals
Three different ring signals inform you about the type of the incoming call. The signals shown in this section are the most used signals worldwide. Many markets use signals that are adapted for the local standards. If you get a signal that is not described or you cannot identify, ask your system administrator.
Internal ring signal
External ring signal
Recall signal
(Callback reminder)
Dialog 4223 Professional/Dialog 4225 Vision | 15 |