Customer Reviews: VTech CS6409 DECT 6.0 Cordless Accessory Handset for CS6419 and CS6429 (Accessory handset only - requires a CS6419, CS6428 or CS6429 series phone to operate)
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on January 14, 2012
I bought this item to add a 5th phone to the VTech 4 handset telephone/answering machine. I have been very pleased with the VTech phones. I especially like the speaker phone feature. The audio quality is very good.
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on November 27, 2012
This is an accessory, additional handset for a phone - and does not work by itself.

I have the phone with two handsets, and they work fine for basic needs. This handset was easy to pair with my phone per the instructions that came with it. Some features of the phone are not intuitive without reading the manual, like adding the last dialed number to the address book. I wish it had a way to mute ringers on all handsets but have not found a way to do that yet.

Update June 2016: I have added another star to this phone because it has lasted and pairs well with the original unit. The lack of features are all advertised up front so it is not a fault of this product. It is just a basic phone.
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The manufacturer commented on the review below
on June 18, 2014
I had one handset that I had an issue with getting registered to the base and I had to find out how to manually deregister it without the base it (apparently) was originally registered to being present. This is easy on the Uniden and Panasonic phones I have experience with but Vtech makes it more of an ordeal and does not put the procedure in the manual. It took me a while to search it out online (Vtech support was closed).

If you have followed ALL the instructions in the manual regarding registering (and deregistering) the handset(s) to the base but you still have a handset that continues to display a "out of range or no pwr at base" message instead of the 2 step registration message (showing it is ready to be registered to the base) this is what you need to do to enter the handset service menu & manually force deregistration (or if you wish - clear the current registration) of the handset and make it ready to be registered to your base.

***** Don't sue me if it does not work for you or you mess up/break your handset *****

Step 1: Press MENU/SELECT. Display reads: ">Directory" or ">Play messages" (if the base has answering system)
Step 2: Enter *7890#. Display reads:
">Test Base"
"Test Handset"
NOTE: you must enter *7890# fast/quickly, if too slow you will not see "Test Base" etc.
Step 3: Scroll down once to ">Test Handset", then press MENU/SELECT.
Display reads: ">SW Version".
Step 4: Scroll up once to ">Next Page...", then press MENU/SELECT.
Display reads: "LCD TEST" on top line.
Step 5: Scroll down once to ">Register Clear", then press MENU/SELECT.
Step 6: Display reads: "Reg Clear ?", press MENU/SELECT to confirm. Press and hold OFF until "Out of range OR No pwr at
base" is displayed.
Step 7: Unplug the battery; wait at least 15 seconds, then reconnect.
Step 8: The registration instructions will appear on the display.

You should now be able to register the handset to the base as per the instructions in the manual.
HTH someone out.
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on November 22, 2011
I'm using two of these in conjunction with an CS6419 Base Station. I've ported my land line over to Google Voice and am using an Obi110 for my Google Voice incoming and outgoing calls as well as a VOIP service through a BetaMax reseller. I've had no issues with reception at all. These are performing very well! They are lighter and slightly smaller than the previous models, but they seem to work just as well if not better.
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on May 1, 2012
The devices work well, but the battery dies in a surprisingly short period of time (max 24 hours I'd guess). Call quality seems fine; nice intercom system with base phone - no phone jack needed. I would buy more.
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on April 5, 2013
I needed a replacement handset for one that had somehow lost its speaker capabilities (It wouldn't work with the intercom or the speakerphone, and the phone wouldn't ring. There was some loose wire or connection somewhere because if I banged it against my hand I could temporarily hear sound, then it would cut out again.). Since I'd originally gotten the 2 handset version of this cordless VTech model (1 base with answering machine and 2 handsets), this was the most inexpensive way to rectify the problem. Also, it's worth pointing out that this accessory handset with a new battery is cheaper than an OEM battery by itself.

I had no problem whatsoever registering this handset with the base. The only issue I ran into was that since I still had the original non-ringing handset already registered as the number 2 handset, this handset automatically registered as the number 3 handset. That was a problem mainly because my father isn't very technical and with just the 2 handset setup, he could press the intercom button without having to choose between handset 2 and handset 3, and the handset where I work would ring. Once there are 3 handsets, just pressing the intercom button will not automatically cause any of the other handsets to ring without first choosing between the different handsets. So I read the manual, UN-registered all 3 handsets (you have to hold the locate button for 10 seconds, vs 4 seconds to register, then press the locate button within 5 seconds to un-register all the handsets.) Then I took the battery out of the old non-ringing handset, and just registered the original, fully working base handset and this new accessory handset. Now everything is back to normal just like before the accessory handset went on the fritz.

I charged the new handset for 24 hours, and it works like a charm. I'm very satisfied. (I should note that even when new, and fully charged, the batteries in these handsets are rather weak. We basically leave them in their respective chargers all the time unless we're talking on the phone. Then afterwards we return them to their charging bases. I've never had the phone's battery die during a conversation, but I have found the phone to be almost fully drained if left out of the charger for 24 hours or so.

Finally, I knew when I purchased this item that it was an ACCESSORY PHONE ONLY. Meaning, it WILL NOT WORK unless you've already got a VTECH BASE UNIT to piggy back off of. I'm not sure why so many people are unclear on this, but the description seems pretty clear to me. This is JUST AN ADD-ON EXTENSION PHONE TO AN EXISTING SYSTEM. It WILL NOT WORK all by itself.
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on June 10, 2015
We bought the base handset at our local Walmart to replace an older VTech phone we had that no longer would hold a battery charge. We were pleased with it so decided to purchase an accessory handset to put in my fiance's hobby room. I opened the box, plugged it in and it told me right on the phone display screen what to do to link it to the base. Set-up and linkage took less than 3 minutes total. Very pleased. These phones look nice, work well and hold a battery charge much longer than our old phone ever did when it was brand new. Like so many things today, it has an "Eco" mode. We have left it off the base for two days at a time and the battery never even gets low. Very pleased.
review image
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on August 3, 2012
bought this to add to the set - none of them are working properly after 3 months. And during the three months, all of the phones had a faint buzzing sound, and all of them had a problem dropping sound when talking -- sounding like a very very bad cell phone connection......finally ended up with
a strange highpitched squeal, and totally hilarious sound from callers: they could understand us, but they sounded like Daffy Duck on steroids.
Don't waste you money on these!
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on September 28, 2012
I bought two handsets to extend my CS6429 system, but the new handsets would not register to the base. I unregistered the existing handsets (2), and now they won't register to the base either. I've unplugged the base as the owners manual suggests, but no luck. Now I have four useless handsets. I've sent an email to vtech customer service but haven't received a reply and there's no number to call for direct support. At this point I'm very dissatisfied with vtech.

UPDATE: Finally found a phone number for vtech on their website and after being on hold for 20-minutes was able to speak to a support person. We went through the register process again, and the handsets registered. The one thing I did that was different was press and release the # button on the handset, rather than holding it down. The support person said that sometimes the # button needs to be pressed repeatedly. I had tried that initially when receiving the handsets, but neither pressing and releasing or holding down the # button worked. Perhaps after de-registering all handsets and waiting the 20-minutes while on hold was what was needed. At any rate, all four handsets are now registered.
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on July 27, 2012
GREAT phone. I LOVE this phone. I was a bit apprehensive on the shape (it looked tall and skinny from the photo) but I tell you it is so comfortable to use and to hold on to. It is a just right shape for my liking. It has a great speaker phone quality that everyone says they cannot tell the difference when I use it. I ordered two more to piggy back my first phone and I am very happy with all of them. They have made me quit dreading to talk on the phone. Love it!!!

September 27, 2012...I am still loving my phone. No regrets. :-)))
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