Comment 6 for bug 1098685

+1 to a blank value or "Choose Carrier" for the SMS carrier dropdown.

Another problem with selecting SMS notification is that the user can fill in carrier and text number (or they can be filled in from the user's notification preferences), but the SMS notification checkbox can remain unchecked, resulting in no SMS notification stored in the hold.

One approach to addressing this would be to automatically check the checkbox when carrier and text number is filled in.

Another approach would be some styling to draw the user's attention to the fact that, though the carrier and number are filled in, SMS notification is not enabled. For example hiding or greying out the carrier and number values when the checkbox is not checked, or an alert warning the user that the checkbox needs to be checked to activate SMS notification. This approach would allow users to save their carrier and number in their notification preferences to make it easily enabled when placing a hold, but not have it active by default for every hold.