Set up NumberSync for Apple Watch (GPS + Cellular
https://www.att.com/support/smallbusiness/article/smb-wireless/KM1225992/
Set up NumberSync for Apple Watch (GPS + Cellular) Open the Watch app to start the pairing process and follow the prompts. Select Set up Cellular button. Enter your AT&T user ID and Password. This should be the user ID that is associated with your iPhone number. If you don't have a user ID, click ... When you place a 911 call using your watch, the call will go over the cellular network when possible. If no cellular network is available, device ... Make sure to check the box and read the Important Information for NumberSync on the 911 screen. Select Verify Address .
Open the Watch app to start the pairing process and follow the prompts.
Select Set up Cellular button.
Enter your AT&T user ID and Password. This should be the user ID that is associated with your iPhone number. If you don't have a user ID, click ...
When you place a 911 call using your watch, the call will go over the cellular network when possible. If no cellular network is available, device ...
Make sure to check the box and read the Important Information for NumberSync on the 911 screen.
Select Verify Address .
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