search for: flexibiity

...the same calling search space? If you use the port monitor tool, do you see Unity attempt to dial your custom extension? Are any of the ports set to allow MWI out-call? Another possibility is to use one of the message notification rules. I haven't do this, so I may be wrong, but I think the flexibiity you need is in Unity. It just may take a bit of poking to find the right combination. Dan