Chair to start the meeting by typing on irc:
trackbot, start meeting
Trackbot should already be on the channel but if for some reason it is not call it with the following command:
Zakim won't know what meeting it is. Just ignore it. Pick a scribe from the list or ask Zakim to pick one up with the following command:
Zakim, pick a victim
Unfortunately Zakim has no idea who's scribed before so you may have to ask several times before getting an acceptable answer...
Also, with WebEx, Zakim doesn't know who is on the call so, as people join they should record their attendance with the command: present+ <nickname>
For additional info, see the Zakim documentation page.