Extension 300 in the dialplan will need to be changed from the previous lesson to both include an Answer() application as well as setting the musicclass of the channel to the techteam context in the musiconhold.conf file.

exten => 300,1,NoOp(Tech Team)
same => n, Set(CHANNEL(musicclass)=techteam)
same => n, Answer
same => n, Queue(techteam,,,,120) #120 is application timeout
same => n, Hangup