knock
Syntax
KNOCK <channel>Parameters
The channel you wish to get invited to.
Description
Sends an invitation request to the channel operators of the target channel; this command may not work on all IRC servers.
The following conditions must be met:
You are not banned from the channel.
The channel is not private.
You may not be already in the channel.
The channel must be invite only, have a key or has exceeded its user limit.
Examples
/KNOCK #irssi
/KNOCK #freenode
/KNOCK #github