I'm getting intermittent errors when attempting to send SMS's like this:
Exception when calling MessagingApi->SendSMS:  Client error: `POST https://tapi.telstra.com/v2/messages/sms` resulted in a `400 Bad Request` response:
"message":"Your active days is currently set to 0 or (truncated...)
I was getting these this morning as well, but then it worked fine after about 9am. Anybody else seeing intermittent issues like this?