Usage: channeladdperm cid={channelID} ( permid={permID}|permsid={permName}
       permvalue={permValue} )...

Adds a set of specified permissions to a channel. Multiple permissions can be 
added by providing the two parameters of each permission. A permission can be 
specified by permid or permsid.

Example:
   channeladdperm cid=16 permsid=i_client_needed_join_power permvalue=50
   error id=0 msg=ok