437
to 0 (trunk access code required), when using the Dial Number Preview feature and dialing 9+911, if all
trunks are busy, the user hears a busy signal and the call does not dial out.
If option Program 21-01-12 is set to 1 (trunk access code not required) and using Dial Number Preview,
911 is dialed, the system disconnects a trunk and dials the call.
Dial Number Preview is when a telephone number is first dialed (previewing the number in the display)
then Speaker or a line key is pressed to place the call.
Conditions
If Program 21-01-10 is programmed with an entry other than 0, a call does not have a talk
path unless the user dials at least the number of digits entered in this option when placing
an outgoing call. This means that an entry of 4 or higher in this program causes a problem
when dialing 911. Since it is only a 3-digit number, the call does not have a talk path,
preventing the emergency dispatcher from hearing the caller. This option should be kept at
its default setting of 0 to prevent any problem with dialing 911.
CAMA Trunks are not supported.
The 911 Cut Through feature works when dialing trunk Access+911.
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