This challenge is about completing a modem handshake to turn on the pine tree lights. The elfs give hints about which number to dial and also there is a recording of a previous handshake.


Handshake sequence

Using the handshake audio recorded we should click on the different icons to reproduce a similar noise than that of the modem handshake.


Click on the handset and dial 7568347

Then click on the different words in the following sequence.

  • 1 ba dee br
  • 2 aaah
  • 3 Wewewwwrrrwrrr
  • 4 bedDURRdunditty

Once the handshake is completed the tree lights will turn on and performing the same challenge again will change the tree lights to a different color.