Is a very nice collaboration suite for the office, like I already showed in one of my earlier blog entries, why not also usa a free phone box like the Asterisk. For good interaction with your SOGo-Installation, you can try to make your PBX lookup the incoming phone numbers in the SOGo address book. This article shows you how to do this. First off, you need to install the CIDLookup FreePBX plugin into it. Mysql -u sogo -p sogo. Now that we sanitized it a bit, .