Didn't answer since it was "Unavailable"

No message left

Yep, same here. Caller ID listed as 'Dallas, TX'. No voicemail. A robo-call, no doubt.

Same thing here -- listed as Dallas, no voice mail left

Peddling Florida vacations; hook is "regarding your recent stay at one of our resorts"; recording doesn't start until the 3rd "hello"; then, a feminine voice apologizes for headset troubles; finally, the recording starts.