2013-08-02

10 hour voicemail


What the hell is this?
648 minutes, constantly repeating.

Quite a distinctive audio pattern.

Any clues?

12 comments:

  1. Replies
    1. London number calling one of our London numbers...

      Delete
  2. Sounds rather like a pearl/blue box configured to walk through all possible DTMF frequency ranges, looking for something exploitable.

    ReplyDelete
  3. Sounds like a blue/pearl box, potentially, configured to walk through all possible DTMF combos to scan for vulnerabilities in PSTN systems...

    ReplyDelete
  4. When the tone stops, it means the nukes have gone off.

    ReplyDelete
  5. I got something that sounds like that once when I'd messed up the config on an isdn trunk. Too long ago to remember the specifics but I do remember the sound

    ReplyDelete

Comments are moderated purely to filter out obvious spam, but it means they may not show immediately.

One Touch Switching

It has been some weeks since One Touch Switching was fully live. TOTSCO say over 100,000 switch orders now, so it is making good progress, ...