Is there a free tool that would accept a range of PSTN DID numbers and test, automatically, if the DID number is responding with ringback or some other type of indicator that the DID is tied to a phone?
Trying to find an alternative to dialing each DID number manually.
I'd agree with Paolo, the chances of a problem are very small indeed, but if you do want to test these you could use a wardialer. I've not used it myself but there's a Skype based one on Sourceforge that might suit your purposes.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...