If there's a way to pick up on multiple people at once, I haven't stumbled across it yet. [Which doesn't mean it doesn't exist, or couldn't be made to exist.]

Bridging a network divide is essentially using the two together - find a weak spot in the divide and punch a hole through it. You can practically count on not being able to patch other people through at first, but if you sacrifice time on the connection you can get a few other people on the line.

[He didn't work that one out until after the Floor Incident.]