Aastra 9143i Series Administrator's Manual page 316

IP Phone Administrator Guide
Operational Features
Aastra Web UI
1 Click on Operation->Phone Lock.
2 In the "Emergency Dial Plan" field, enter the number used in your local area to contact emergency
services. For multiple numbers, enter a "|" between each emergency number.
For example:
911|110.
Default for this field is
3 Click
5-18
"x+#|xx+*"
. You can enter up to 512 characters in this field.
to save the emergency dial plan to your phone.
41-001160-03, Rev 00, Releaes 2.4