1.5 Making Call Features
1.5.2.2Emergency 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 
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)
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Feature Guide
