Firstly, thanks everyone for your help! I am wondering whether any of the NEC systems are capable of a call screen. For example, I would like callers to connect to my cell phone but prior to connection I would like the system to ask the caller to say their name. The system will then contact me on my cell and give me an option whether to accept or reject the call. I am wondering if the DS2000 system will do the above features, including the call return from within voicemail? Where is the best place to buy these systems? Do you know of any place I could try out before I buy? I am located in the Chicago area? Thanks Again, Chris