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.
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
Then click on the different words in the following sequence.
- 1 ba dee br
- 2 aaah
- 3 Wewewwwrrrwrrr
- 4 bedDURRdunditty
- 5 SCHHRRHHRTHRTR
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.