Text message notices are sent via SMS Short Code. Some mobile devices have SMS Short Code messaging blocked to eliminate SPAM and other unwanted text messages.
If you did not receive a text message for a rule that you set, you may have SMS Short Codes blocked on your device. You need to contact your mobile provider. In most cases the SMS Short Code block remains in place but an exception can be made for a particular SMS Short Code that allows messaging from that code. The SMS Short Code used for Cox is 73153, the sender is Numerex.
Rules are a flexible method for generating a variety of system actions, such as sending a text message or turning on a light, whenever something else happens in a given circumstance.
The following rules are created by default.
The email or phone number for the primary person on the account must be one of the notification methods.