Aastra Dialog 4187 Analog Telephone for MX-ONE, user guide - Page 8
Ring signals, Internal ring signal
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Description Internal ring signal External ring signal Recall signal (Callback reminder) 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. 8 Analog Telephone
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Description
Analog Telephone
8
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)