Federation questions

Hey all,

We have yet to jump into the waters of Federation and I have some questions that I believe I know the answers to but I want to make sure:

1.  In order for the company we are federating with to be able to add a contact, that company must know that user's sip address and that user must be enbabled for federation via the External Access policy correct?

2.  Am I also correct in assuming that there is no transitive properties of Federation ie.  If company A federates with Company B and Company B federates with Company C then is it true that Company A CANNOT see or get to the contacts in Compnay C?

That is it,

Just thought I would make sure,

Thanks all
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You're correct on both

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