Abus SECVEST FUAA50 Series Installer Manual page 174

Configuration
21CN Ack Time
Call Acknowledge
174
Note
The display varies according to the setting via IP gateway the "IP Mobile Setup"
menu.
An analogue telephone connection to the ARC, directed via the new public tele-
phone networks, sometimes takes more time than a conventional analogue connec-
tion to transmit the information including confirmation with the Fast Format protocol.
Use this option to set the wait time for the confirmation.
Dropdown selection field for:
 400 ms  500 ms
 600 ms  700 ms
 800 ms  900 ms
 1000 ms  1100 ms
 1200 ms
Enabled
A social care alarm transmission must be confirmed by the recipient
by pressing DTMF button"5", otherwise the calls will be repeated.
Deactivated
If the function is deactivated, the emergency call is treated like a transmission when
the called line is answered.