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Siemens Gigaset

Siemens Gigaset A420A Twin Cordless Phone

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Customer rating: 4.6 out of 5 | read 5 reviews or add a review

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Large, illuminated 1.8” high contrast display Phonebook for up to 100 names and numbers Anonymous call silencing Digital answering machine with up to 25 minute recording time

The Siemens Gigaset A420A Twin: Easy to use DECT phones for reliable user-friendly features and superior sound quality

Gigaset E500A Cordless Phone 2 Year WarrantyMaking the most of the Gigaset A420A is easy thanks to the brilliant 1.8” backlit screen on each handset, which display details in high-contrast black and white. Built to the highest standard, this duo set of cordless phones comes with a 2-year warranty, and offers a dependably long battery life when fully charged (up to 20 hours continuous talk-time, up to 240 hours on stand-by) and reliable range. Offering great value for money with a convenient integrated answering machine, this is one of the best budget models available.

Easy to set-up and use

The Gigaset A420A requires no complicated installation and has been designed to be as user-friendly as possible. The reasonably sized and separated keys on the illuminated keypad make it easier to dial and navigate through the simple menu layout; and there is even a facility to enlarge the font size on the high-contrast display to make it easier for those with poor eyesight to read.

Practical in-built answer machine

Gigaset S820A with Answering MachineThe base station of the Gigaset A420A features an integrated answering machine with a recording time of up to 25 minutes. Convenient controls on the base can be used to playback messages, or alternatively you can listen via one of the cordless handsets. And the intuitive skipback feature allows you to replay the last few seconds of a message, which can be useful if you miss an important detail and don’t want to listen to the whole message again.

Reliable sound quality – even in hands-free

Gigaset are renowned for manufacturing some of the best cordless phones when it comes to sound, and are passionate when it comes to the provision of superior call clarity. The A420A benefits from Gigaset’s HSP protocols, which enhances the sound quality above that of a normal landline phone by eliminating glitches and distortions in sound. And each handset features an in-built loudspeaker, which can be turned on at the touch of a button and offers users the opportunity to enjoy enhanced sound quality in the comfort of hands-free

For analogue line (BT, Virgin, TalkTalk, etc.)
No of handsets 2
System can be expanded to 4 handsets in total
Answering machine Yes | Up to 25 minutes
Phonebook Up to 100 entries
Caller ID (Display):
Range indoors | outdoors in metres 50 | 300
Talk time | standby in hours 20 | 240
Warranty 2 years
Advanced Features
Anonymous call blocking/silencing No
Repeater compatible


Headset compatible

Via Gap

Screen size | Backlit 1.8" | Yes
Colour No
Backlit/ Illuminated Keypad
Date & time
Automatic contact sharing between handsets
Base Answering Machine
Record time 25
Remote access from outside line
Playback: handset| base Yes | Yes
Message counter indicator
Pre-recorded/ personalised outgoing message Yes | Yes
PIN protected
Protection of recording against power failure
Handset locator
Call management & sound
Call transfer between handsets
Call waiting
Conference call
Internal calls (intercom)
Call Duration displayed
Technical information
Talk time 20 hours +
Standby time 200 hours +
Battery type NiMH
Why not save up and get great accessories? Select from additional handsets, wireless headphones, or go for extra long range with a DECT repeater

Additional Handsets

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add RTX Repeater  to packageRTX Repeater
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add Siemens Gigaset L410 Hands-free DECT Clip to packageSiemens Gigaset L410 Hands-free DECT Clip
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add Plantronics C565  to packagePlantronics C565
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Your Package Tailor your package to suit your requirements and watch the savings pile up

Main Product
Siemens Gigaset A420A Twin Cordless Phone Siemens Gigaset A420A Twin Cordless Phone

Top 7 Product Questions for Siemens Gigaset A420A Twin Cordless Phone

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of customers would recommend this product
Average Customer Review
more score details
Customers most agreed on the following
Good points
  • Easy to read screen (3)
  • clear voice (3)
  • long lasting (3)
  • Easy to use (2)
  • Value for money (2)
Bad points
  • None (2)
  • maximum volume is low (1)

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The most helpful favorable review

The most helpful critical review 5 of 7 people found the following review helpful

product reviewsproduct reviewsproduct reviewsproduct reviewsproduct reviews 4.4/5 Great Phone "Good phone to use. sound quality is great" Read the full review › Nov 24, 2014 by hari

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Product Manuals Siemens Gigaset A420A Twin Cordless Phone
Gigaset A420A - User Manual.pdf

Siemens Gigaset A420A Twin Cordless Phone
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