Instruction: Answer the given question using the supporting document.

Input:
Question: I have KX TGA470 4 handsets. Bought it 1/2014. One stopped working. Is this the one I buy? No B at the end of number, but it's black.
Document: We bought this system to replace an older one where several of the handsets had failed. We like this one better for several reasons: (1) the phone announces incoming calls, so you don't have to even look at the display (although the announcements can be hard to decipher sometimes), (2) there is a call-blocking feature that lets you add a number to the blocked list easily, (3) you can name the individual handsets instead of trying to remember what phone is in what room.
Both phones have nice features but I would never buy the Panasonic KX-TGA470 or similar again.Some of my AT&T; handsets went bad for some unknown reason (power surge?) They say &#34;connecting&#34; but will not connect to the base station. Good luck with any of these things.
Love this entire system....bought the 5 phone system and added one more phone. My last Panasonic system lasted 7-8 years and it was time to buy again. REad the reviews and this one seemed perfect for us. Have had the entire suystem about 4 months now and very happy with it. Purchased the range extender as we have acreage out here...and it too has added to the quality and usefulness.
Once paired, this handset works wonderfully. But calling it compatible with my base station is a stretch (by Panasonic, not the site from which I bought this handset).If you have a KX-TG76xx base station, I'd strongly suggest finding the Panasonic KX-TGA660M instead. That model should have the same configuration as the handsets that ship with the KX-TG76xx series.
Panasonic KX-TGA470B sets up very easily. We bought two additional cordless phones to expand the total to six (including the hard wired base). At first we didn't know how to get these two additional phones on line and working with with the original set. Then we realized the additional phones' screen was telling us what to do... "push a button on the base"... very intuitive. It was as simple as that.
I have the base phone and five handsets at my home. I also have a base phone and three handsets at my office. This phone system is great! It is easy to program, easy to use. It has great sound and no one has a problem hearing at the other end of the call. I use the intercom more at my home, with three floors and remote areas. It is fabulous, a real step saver. No more yelling up and down stairs.
This phone lasted less than 5 weeks before it stopped working. I have had no luck in getting any response in having it replaced. Total dud.
I bought the main phone without extra handsets only months before I found out I was going to move. I moved into a two story place and long story short, the phone was always on the opposite floor of where I was and I missed calls. I didn't want to buy a new phone with handsets, so I searched for just the handset. Anyway, this handset was totally compatible with previously purchased phone and was extremely easy to set up.
We bought the set with base and extra handsets a year or so ago; discovered another handset would be useful. The new one linked right in to the system; all I had to do was follow the on-screen prompts. We like the phone set and can recommend it.
Originally bought the Panasonic set at Walmart. Only came with 2 extra remote cordless phones. Decided after the fact, I really needed one more. I got tired of running from room to room. Only problem, WM and many, many other stores DID NOT CARRY just one extra phone! Was frustrated. Well, Amazon, had it! I could buy just the one. It synced with the main unit, works great, same extra phone like the ones that came with the original set.
Answer: That is the # on the bottom of mine. No B but black too. I have four and they work great.