"George Weston"  writes:

> How can you configure a large PBX with DDI facilities in a way that direct 
> outgoing calls from extensions don't come up as "anonymous" calls?
> If this is possible, I'd like to know, so I can tell my IT department!

As it is a large PBX, I am assuming that it is connected via ISDN not
multiple analogue lines. What you have to do is put the DDI number of
the calling extension in the 'Calling Party Number' Information Element
in the CONNECT message sent by the PBX to the exchange.