Practice
Play
Scores stay in this browser. Nothing is sent to a server. Break a hop in the sim, then open a full game.
Break a hop
Phone
CUCM
SBC
PSTN
Webex
Teams
UCCE
Choose a hop. The note is the teaching read from this lab, not a live trace.
Ports game
Eight rounds. Six correct earns a badge.
Flow map
Click the nodes. Three opens earn a badge.
Build a ladder
Phone, CUCM, CUBE, PSTN. Three messages earn a badge.
Daily challenge
One bank question, stable for the UTC date.
Badges
Ten badges. The joystick code is one of them.
An old joystick code still works on any page of this lab.