12.3 Audible Signals
The following diagram illustrates the duration and intervals
of the various handset and ring signals on the connected
telephones.
Time in seconds
0
Audible Signals
Ring
Busy signal
Internal dial tone
External dial tone
Positive confirmation
Neg. acknowledgment
Call waiting
Calls
External call
Internal call
Call back
Internet telephony
Registration error
Fixed-line substitute
Handset and ring patterns on FRITZ!Box Fon WLAN 7050
3
1
2
FRITZ!Box Fon WLAN – 12 Product Details
Audible Signals
5
6
4
117