Aastra 6757I User Manual page 66

Define an Emergency Dial Plan
Use the following procedure to specify the numbers to use on your phone for dialing emergency
services in your area.
Aastra Web UI
1. Click on Operation->Phone Lock.
2. In the "Emergency Dial Plan" field, enter the 3-digit 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 911|999|112|110.
3. Click Save Settings to save the emergency dial plan to your phone.
Reference
For more advanced options you can set on your phone, see
60
"Additional Features" on
Model 6757i IP Phone User Guide
page 208.