<div dir="ltr">Are there rules/guidelines on how an unallocated number should respond?<div><br></div><div>We are seeing unallocated numbers on a Canadian LEC, ISP Telecom, that in the 183 response it plays back "Unallocated Number. Please check the number and try again. Unallocated Number. Please check the number and try again." then the call answers with "Hello" and plays music on hold indefinitely.</div>
<div><br></div><div>A sample is 1-289-999-9348.</div><div><br></div><div>~Jared</div></div>