Watch the LIVE! Communication Means Not Breaking Down online guitar lesson by Jeff Scheetz from Blues Jam Survival Guide
Communication is really important. When you are soloing you have to try to not get lost in your amazing soloing so much that you forget to cue the next soloist! Make sure you give the next guy the "nod" to take the solo at least a couple of bars ahead of time. And by the same token, if someone else is soloing and it is your turn coming up - be looking at the person soloing towards the end of their solo to make sure you are ready when they cue you.