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overview

Expandable Digital Cordless Answering System with 5 handsets

Details
KX-TG6645B
Features

Expandable Digital Cordless Answering System with 5 handsets

SpecificationsExpand All

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    • Color
    • Channels
    • Multi Handset (Capability)
    • Handset Locator
    • Number of Phone Lines
    • Call Block
    • Frequency
    • System
    • Shipment Battery
    • Battery Life (Talk)
    • Battery Life (Standby)
    • Charge Time
    • LCD Backlit Color
    • Handset Indicator
    • LCD (Handset)
    • Backlit Keypad
    • Hold/Soft Key
    • Talk Volume(Handset)
    • Speakerphone Volume(Handset)
    • Headset Jack
    • Ringer Volume(Handset/Base)
    • Ringer Pattern (Tone+Melody)
    • Belt Clip
    • Redial Memory (Handset)
    • Mute/Flash Buttons
    • Intercom (Handset to Handset/Handset to Base)
    • Conference Call with Outside Line
    • Call Sharing
    • Auto Talk
    • Clock/Alarm
    • Menu Operation
    • Wall Mountable
    • Silent Mode
    • Number of LCD Language Display
    • Caller ID Compatible
    • Caller ID Memory
    • Phonebook Memory (Name and Number)
    • Chain Dial
    • Ringer ID
    • Voice Mail
    • Base Dimensions H x W x D (in.)
    • Handset Dimensions H x W x D (in)
    • Charger Dimensions H x W x D (in.)
    • Base Weight (lbs.)
    • Handset Weight (lbs.)
    • Charger Weight (lbs.)
    • UPC
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Reviews

KX-TG6645B is rated 4.2 out of 5 by 21.
Rated 5 out of 5 by from electronic dialing the beep sent to remote automatic answering machines is very short and is not recognized by some devices. We had to keep an old analog phone for just that reason. It would be very nice it that could be made longer. Also, it could use a larger phone book and call block list. However, given the trouble that I had even finding this site, I suspect that this product is no longer being sold.
Date published: 2016-11-19
Rated 5 out of 5 by from These Phones Are Awesome We are just amazed at the sound quality and the ease of use with these phones. Everything you can ask for are with these phones. You want to know who is calling? It's there! You want to pipe up the volume? Go right ahead! Wanna know what time it is? Just pick up the receive. The time is right there! The Panasonic 6645b is a great piece of work. I hear they are discontinuing this model. If they are I'm sure glad I got mine before they do!
Date published: 2013-04-14
Rated 5 out of 5 by from Great Features on Reliable Cordless Phone Set I'm a careful researcher of consumer products before I purchase, and that's never led me to purchase a cordless that wasn't a Panasonic. And I've never been dissatisfied. With this set, I was pleasantly surprised at some of the features: 1: The charge-back feature to enable phone usage during a power outage even impressed my electrician when we were having our panel upgraded. Its come in handy during storms as well. 2: The ability to have a TIMED EVENT of no rings on INDIVIDUAL phones is so useful. When I was home on medical leave, I had a pesky insurance woman who loved to call me at 8AM. No problem--I just programmed the bedroom phone to not ring until 10AM. 3: Intercom with naming feature--we have a in-home intercom system, but I always seem to use the phone intercom. Its just easier. 4: Speaks to you caller ID--Busy cooking at the stove when the phone rings? The phone can tell you who it is so without moving you can decide whether or not to answer. Overall, I'm very pleased with this purchase and glad I got it with 5 phones since I use it as an intercom. I don't, however, use it as answering machine.
Date published: 2012-06-28
Rated 4 out of 5 by from great phone!! ive had panasonic phones for quite awhile. the last ones we had was lost in a fire. but im here to tell you from my personal experience, these phones are comfortable to hold, easy to use, we never had any problems with the electronics. they were a bit expensive, but i believe you get what you pay for. if you looking for a quality product, you found it. thanks panasonic for a product that actually does what it says it will do, and last.
Date published: 2012-06-03
Rated 4 out of 5 by from No beep on answering machine Overall we are very satisfied with this produce. However the one thing we miss is an audible alert when there is a message on the answering machine. Now when we return home we have to physically look at a the unit to see if there is a message.
Date published: 2012-03-26
Rated 3 out of 5 by from Quality gone I have for years used nothing but Panasonic cordless phones, they were the standard. I recently purchased this model KX-TG6645, and noticed that voice transmission only works one way at a time. These phones are no longer duplex, rather they are simplex. If a long winded person starts talking you cannot interrupt them on get their attention until they stop talking because this phone, in fact none of Panasonic's phones, offer duplex operation. For this reason I returned the phone and will find another brand.
Date published: 2012-02-09
Rated 4 out of 5 by from Would benefit from a larger address book I purchased this to replace a previous Panasonic system that had given great service over a period of almost ten years. One of the key features for me was that it can cope with power outages and still keep working, albeit on battery power. The other big plus over my old phone is that it uses standard "AAA" rechargeable batteries rather than the wrapped multi-cell type my old system used. However, I'm disappointed to find that the address book capacity, at 50 numbers, is no larger than the model it replaced. With memory being so cheap these days, it should really be possible to provide for more capacity. It is nice that the phone book is shared by all the handsets, rather than having to be copied from one to another, as we had to with our old system.
Date published: 2012-02-05
Rated 5 out of 5 by from I found this cordless phone to work perfectly. Easy to setup and operate.
Date published: 2012-01-28
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Support

Owner's Manuals
FAQs
  • How do I view, add, block, and unblock numbers?
    Add Blocked Numbers:

    To manually block a number:
    1. Press the [MENU] [#] [2] [1] [7] on the handset
    2. Press [ADD]
    3. Enter the phone number you want blocked
    4. Press [SAVE]

    To store block number from caller list:

    1. Press [MENU] [#] [2] [1] [3]
    2. Scroll to the number to be blocked
    3. Press [SAVE]

    Note: If you do not want the first ring from a phone number on the call block list to sound, turn the first ring setting to "Off". Follow this procedure on the handset:

    1. Press the [MENU] [#] [1] [7] [3]
    2. Select "ON"
    3. Press [SAVE]

    **For additional information, please refer to the Operating Manual.

    View The Numbers I have blocked:

    To view the block list do the following procedure:
    1. On the handset press [MENU] [#] [2] [1] [7]
    2. Press the [▲] or the [▼] to view numbers that are blocked.
    3. Press [OFF] to exit the setting.
    **For additional information, please refer to the Operating Manual.

    Blocking Numbers of Calls I Do Not Wish To Receive:

    Some models will allow you to block calls. Caller ID service is required to identify phone numbers to match what you have stored on the call block list. Some units are capable of blocking up to 250 phone numbers, if you have more than 250 numbers to block then subscribing to a call block service from you phone company is an option.

    **For additional information, please refer to the Operating Manual

    Unblocking Numbers I No Longer Wish to Block:
    1. On the handset press [MENU] [#] [2] [1] [7]
    2. Press the [▲] or the [▼] to select your desired entry
    3. Press the soft key [ERASE]
    4. Press [SELECT] on "Yes"
    5. Press [OFF] to exit the setting.
    **For additional information, please refer to the Operating Manual.
  • How do I clear 'New Voicemail' on my handset's display?
    Your telephone is alerting you that you have a new voice message from your phone company's assigned Voice mailbox. The procedure to access your voice mailbox would vary depending on the instructions of your phone company/service provider. Once you listen to your new messages, "New Voicemail" should be cleared from the handset.

    Note: If the handset still indicates there are new messages even after you have listened to all new messages, turn it off by pressing and holding [#] until the handset beeps.

    If you do not have voicemail service through your telephone service provider that you are aware of:

    Press [MENU] [#] [3] [3] [2] then press [0] to select OFF followed by SAVE to disable the Voicemail Tone Detector of the telephone..
  • How can I re-register my handset or register additional handsets?
    To register a handset, perform the following steps:
    1. Press [MENU] [#] [1] [3] [0] on the Handset
    2. Press and hold down the [LOCATOR] button on the base for about 5 seconds until you hear the registration tone
      If all registered handsets starts ringing, press [LOCATOR] again to stop, then repeat this step, procedure needs to be completed within 90 seconds
    3. Press [OK] on the handset
  • Why does the date and time change automatically after I have programmed the date and time on my phone?
    If you are subscribed to Caller ID from your phone company, the unit's date and time setting will be automatically adjusted when caller information is received. If you do not wish for this feature to work, press [MENU] [#] [2] [2] [6] on the handset, then press [0] to select "Manual" and press [SAVE]

    Applicable Base Model(s):
    KX-PRD262
    KX-PRL262
    KX-PRS120
    KX-PRW120
    KX-PRW130
    KX-PRX120
    KX-TG113
    KX-TG123
    KX-TG223
    KX-TG234
    KX-TG235
    KX-TG242
    KX-TG243
    KX-TG254
    KX-TG294
    KX-TG365
    KX-TG385
    KX-TG403
    KX-TG403x
    KX-TG405x
    KX-TG432x
    KX-TG433
    KX-TG443
    KX-TG444
    KX-TG454
    KX-TG465
    KX-TG473x
    KX-TG474x
    KX-TG475x
    KX-TG477x
    KX-TG631x
    KX-TG632x
    KX-TG651x
    KX-TG652x
    KX-TG653x
    KX-TG654x
    KX-TG657x
    KX-TG658x
    KX-TG667x
    KX-TG684x
    KX-TG687x
    KX-TG753x
    KX-TG762x
    KX-TG764
    KX-TG764x
    KX-TG773x
    KX-TG774x
    KX-TG784x
    KX-TG787x
    KX-TG932x
    KX-TG933x
    KX-TG934x
    KX-TG936x
    KX-TG937x
    KX-TG938x
    KX-TG939x
    KX-TG947x
    KX-TG954x
    KX-TGC212
    KX-TGC213
    KX-TGC222
    KX-TGC223
    KX-TGD212
    KX-TGD213
    KX-TGD222
    KX-TGD223
    KX-TGD224
    KX-TGD225
    KX-TGE212
    KX-TGE232
    KX-TGE233
    KX-TGE234
    KX-TGE242
    KX-TGE243
    KX-TGE244
    KX-TGE245
    KX-TGE262
    KX-TGE263
    KX-TGE264
    KX-TGE272
    KX-TGE273
    KX-TGE274
    KX-TGE275
    KX-TGH262
    KX-TGH263
    KX-TGH264
    KX-TH120x
    KX-TH121x


    If you are subscribed to Caller ID from your phone company, the unit's date and time setting will be automatically adjusted when caller information is received. If you do not wish for this feature to work, on the handset press [MENU] then press the [?] or [?] to scroll to "SET DATE AND TIME" then press [OK]. press the [?] or [?] to scroll to "TIME ADJUSTMENT" then press [?] TO SELECT "MANUAL". Press [OK] to save the setting.

    Applicable Base Model(s):
    KX-TG103x


    If you are subscribed to Caller ID from your phone company, the unit's date and time setting will be automatically adjusted when caller information is received.

    Applicable Base Model(s):
    KX-TG401x KX-TG402x

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CONTACT INFORMATION
Consumer Product Support and Technical Assistance
Operating hours:
Mon-Fri 9am-6pm EST
Panasonic USA