On the same line, either with same phone number or new number.
Person ceases adsl and later a person gets adsl.
What possible hiccups might there be with what should happen -or doesn't- at the exchange in this scenario?
Would any hardware be removed or perhaps bypassed until any new adsl was ordered?
Is there a time gap needed when someone ceases their ADSL before an order can be placed for new ADSL, and is it related to the old/new ISP and type - LLU or non-LLU?