AudioCodes 400HD Series User's And Administrator's Manual page 92

CHAPTER 6 Performing Administrator-Related Operations
After a location has been defined, make sure that:
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AudioCodes' phone runs the latest firmware released.
AudioCodes' phone runs the Teams app issued June 2022 and later (U3-A and
higher).
E911 information is displayed on the phone screen 30-120 minutes after the
location is set (time estimated under laboratory conditions).
To trigger information to be shown before that time period, you can:
✔ Dial a 933-test call and check if the location has been accepted, displayed
and vocalized by the announcer.
✔ Enter the 'Calling' menu from the phone's home screen and verify the
location is presented there (entering the 'Calling' menu triggers the
information to be pulled from MS servers).
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