Yes. HOWEVER, you need the manual and a knowledge of how the system is setup before changing anything.
UX5000The problem is one setting could inadvertently effect another. The system does not play nice with programming through the phone and you need to use either PcPro or WebPro.
The UX5000 got it's database structure (and quirks) from the Aspire series, which got it's database structure (and quirks) from the I-series. A Nitsuko engineer stated that some of the issues from one Series carried on into the next Series.... Also that just because the Manual states something as a fact. DON'T BELIEVE IT.
You really need a technician on-site (or remote) who has a deep understanding of the nuances of the system.
NEC UX5000 âž¡ Nitsuko Aspire âž¡ Nitsuko i-Series âž¡ Nitsuko-TIE âž¡ TIE