1.5 Making Call Features
42 Feature Guide
1.5.2.2 Emergency Call
Description
An extension user can dial preprogrammed emergency numbers ( Emergency Number [309]) after
seizing an outside (CO) line regardless of the restrictions imposed on the extension.
Conditions
• If the PBX is installed behind an existing host PBX, an extension user must dial the Host PBX Access
code after the Outside (CO) Line Access number.
• This feature will function even when:
– In Account Code—Verify-All/Verify-Toll/Forced mode ( 1.5.2.3 Account Code Entry)
– Restricted by the current class of service (COS) ( 1.8.1 Toll Restriction (TRS))
– In Extension Lock ( 1.8.3 Extension Lock)