Summary
When you change the status of an appointment and no notification goes to the tech. The tech's phone number must be in the tech's user page, otherwise, the system doesn't have a number to text.
Key Points
Go to the user's profile page in Settings/Users & Routes
Add the tech's mobile phone number
Click the Settings gear icon in the upper right
Click Users & Routes
Click Edit to the right of the user
Add the tech's mobile phone number
Click Save
Notifications go to the tech's mobile device when a new appointment is Scheduled, or an existing appointment is Moved, Cancelled or Deleted. It appears in the device's messaging system, not Fieldwork.
Tip from time to time, people get new phones and new phone numbers. Make sure your employees keep you up-to-date with their phone number.
Note You are not charged for text messages sent to techs.