Panasonic · Business · Analog · Cordless · Two Handset · 2 line · With Speakerphone · With Answering Machine · With Caller ID You can block annoying calls from unwanted callers. Calls from the call block list or without phone numbers will be blocked if they call you. The KX-TG954x disconnects the call and emits no sound to the caller. The 2-LINE answering system is used separately for ordinary contacts, emergency contacts, etc. Very useful in a variety of situations, such as when using two separate lines for private and business use. KX-TG9542B will ship on this order