Best Isdn Telefon Neu 2026

Advertising Disclosure

Last Updated - 27.03.2026

Best Choice

01

Gigaset

Gigaset AS690A quattro - 4 cordless telephones with answering machine - large, high-contrast display - brilliant audio quality - Adjustable sound profiles - handsfree - call protection, black

Show more

20% Off
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

This device is intended and designed for the telephone connection in the German network, an unvaded operation outside Germany can not be guaranteed
Strong functions - integrated answering machine with up to 20 minutes recording time, brilliant sound quality (also in hands-free), 5-stage volume control, call protection for 32 lock numbers.
Scope of delivery - 1x base station Gigaset AS690A with answering machine, 3x charging cradle, 4x handsets Gigaset AS690, 4x plug-in power supply, 1x telephone connection cable, 8x AAA battery (NiMH).
Quality Made in Germany - Design and manufacture in Germany - The environmentally friendly eco DECT technology ensures reduced energy consumption.
Easy installation - just connect the base station with the wall phone box and call directly - you benefit from a quick and easy setup of your new phone.
A reliable companion - the Gigaset AS690A convinces with a large, high-contrast display and ensures best readability thanks to extra large numbers display in dialing mode.

84,99 € 105,99 €(20% Off off)
02

Gigaset

Gigaset Comfort 520A Duo - 2 Cordless DECT Telephones with Answering Machine - Best Audio Quality with Hands-Free Function - Call Protection - Address Book 200 Contacts, Titanium Black [German Version]

Show more

22% Off
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Technology meets design – the Gigaset Comfort 520 impresses with its elegant, timeless design, the 2.2 inch large colour display and low weight - ideal for your home or home office. Only compatible in Germany - more information on the Gigaset homepage.
Quality made in Germany – designed and manufactured in Germany – the environmentally friendly Eco Dect technology ensures reduced energy consumption – the Gigaset Comfort 520 series is an Amazon exclusive product
Easy installation – simply connect the base station to the wall phone socket and start making calls directly – benefit from a quick and easy setup of your new phone
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
CONVINCING FEATURES - Make calls and hands-free calls in brilliant voice quality - Headset compatibility via 3.5mm jack connection - Comfort call protection for 150 numbers and large address book
Box contents: 1 x Gigaset Comfort 520A base station with AB, 2 x Gigaset Comfort 520A handset, 1 x charging cradle, 2 x power supply, 1 x telephone connection cable (TAE), 4 x AAA batteries (NiMH), 2 x battery covers, 2 x belt clips, 1 x user manual (English language not guaranteed)

79,99 € 102,99 €(22% Off off)
Value for Money

03

Gigaset

Gigaset AS690A - cordless phone with 1 handset - DECT phone with hands-free function, large display, large buttons - landline phone, black

Show more

24% Off
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

gigaset From phones landline phone simple phone handsets with answering machine dect analogue phone easy operation home phone large display glossy phone black graphic display telephone wireless
Strong functions: integrated answering machine with up to 20 minutes recording time, brilliant sound quality (even when hands-free calling), 5-level volume control, call protection for 32 lock numbers
Quality made in Germany – designed and manufactured in Germany – the environmentally friendly Eco Dect technology ensures reduced energy consumption
Easy installation – simply connect the base station to the wall phone socket and start making calls directly – benefit from a quick and easy setup of your new phone
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
Box contents: 1 x base station Gigaset AS690A with integrated answering machine, 1 x Gigaset AS690 handset, 1 x power supply, 1 x telephone connection cable, 2 x AAA batteries (NiMH)
A reliable companion – the Gigaset AS690A impresses with a large, high-contrast display and ensures best readability thanks to the extra large number display in dial mode. Only compatible in Germany - more information on the Gigaset homepage.

34,99 € 45,99 €(24% Off off)
04

Gigaset

Gigaset AS690 - cordless phone - DECT phone with hands-free function, large display, large buttons - landline phone, black

Show more

17% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Strong functions: brilliant sound quality (even when hands-free calling), 5-level volume control, phone book for 100 contacts, call protection for 32 lock numbers, ergonomic keyboard
Quality made in Germany – designed and manufactured in Germany – the environmentally friendly Eco Dect technology ensures reduced energy consumption
Easy installation – simply connect the base station to the wall phone socket and start making calls directly – benefit from a quick and easy setup of your new phone. Handset, H x W x D in mm: 155 x 49 x 28
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
Box contents: 1 x base station Gigaset AS690, 1 x Gigaset AS690 handset, 1 x power supply, 1 x telephone connection cable, 2 x AAA batteries (NiMH), 1 x user manual (English language not guaranteed)
A reliable companion – the Gigaset AS690 impresses with a large, high-contrast display and ensures best readability thanks to the extra large number display in dial mode. Only compatible in Germany - more information on the Gigaset homepage.

29,99 € 35,99 €(17% Off off)
05

Gigaset

Gigaset Comfort 520 Cordless DECT Telephone Elegant Design, Brilliant Audio Quality Even for Hands-Free Calling, Comfort Call Protection, Address Book with 200 Contacts, Titanium-Black [German Version]

Show more

21% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Technology meets design – the Gigaset Comfort 520 impresses with its elegant, timeless design, the 2.2 inch large colour display and low weight - ideal for your home or home office. Only compatible in Germany - more information on the Gigaset homepage.
Quality made in Germany – designed and manufactured in Germany – the environmentally friendly Eco Dect technology ensures reduced energy consumption – the Gigaset Comfort 520 series is an Amazon exclusive product
Easy installation – simply connect the base station to the wall phone socket and start making calls directly – benefit from a quick and easy setup of your new phone
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
CONVINCING FEATURES - Make calls and hands-free calls in brilliant voice quality - Headset compatibility via 3.5mm jack connection - Comfort call protection for 150 numbers - Large address book
Box contents: 1 x Gigaset Comfort 520 base station, 1 x Gigaset Comfort 520 handset, 1 x power supply, 1 x telephone connection cable (TAE), 2 x AAA batteries (NiMH), 1 x battery cover, 1 x belt clip, 1 x user manual (English language not guaranteed)

49,99 € 62,99 €(21% Off off)
06

Panasonic

Panasonic KX-TGC 420GB cordless phone with answering machine

Show more
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Block unwanted callers (advertising block), call block (e.g. dial lock of premium rate telephone numbers), low radiation - Eco Plus, reduced power consumption.
Answering machine with 18 minutes of recording time, phone book for 120 entries, alarm clock with weekday setting and snooze function.
4 cm display, display lighting (amber), navigation button (4-way control), hands-free calling, keyboard lock, redial of the last 10 numbers, call list (50).
14 menu languages, 15 different call tones/melodies, standby up to 200 hours, talk time up to 18 hours, 2 x normal Ni-Mh battery (AAA), charging time approx. 7 hours.

33,99 €
07

Gigaset

Gigaset C575A Duo, 2 Cordless Phones with Answering Machine, Phone book for 200 contacts, Easy to Use, Black

Show more

15% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Quality made in Germany – designed and manufactured in Germany, the ECO DECT technology ensures reduced energy consumption
Practical functions – answering machine with up to 30 minutes. Recording time, address book for up to 200 contacts with 3 phone numbers each
Easy installation – simply connect the base station to the wall phone socket and start making calls directly, benefit from a quick and easy setup of your new phone
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
Comfort is very important here – with the large TFT colour display 58 mm/2.2 inches of the Gigaset C575, you will not miss any detail. Only compatible in Germany - more information on the Gigaset homepage.
Box contents: 1 x Gigaset C575A base station with AB, 2 x Gigaset C575 handsets, 1 x charging cradle, 1 x power supply base station, 1 x power supply charging cradle, 1 x telephone connection cable, 4 x AAA batteries (NiMH)

67,99 € 79,99 €(15% Off off)
08

Deutsche Telekom

Telekom Sinus Telephone Set

Show more
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Standby time 245 hours/talk time 18.5 hours.
Phonebook can be synchronised among all Sinus 207 handsets
Note - When the answering machine is on, the LED below the buttons on the base station lights up. See flashes when new messages are available.
Large illuminated monochrome graphic display
Easy menu navigation
Blue Angel certificate: official environmental label of the German Environment Agency

33,00 €
09

deleyCON

deleyCON Telephone Adapter TAE-F to RJ11 Socket 6P4C - Cable Adapter Telephone Adapter for Router - Black

Show more

16% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

deleyCON Telephone adapter plug // TAE-F to RJ11 // telephone, router
TAE-F plug to RJ11 socket // Universal use // TAE adapter
Standard, perfect fit connections // Connection variety for numerous end devices // ️Suitable for Germany
Quick adaptation of existing cables // Universal TAE adapter plug
Converts an RJ11 plug into a TAE-F plug. Colour: black

4,19 € 4,99 €(16% Off off)
10

Panasonic

Panasonic KX-TGC 422 GW Cordless Phone with Answering Machine, Black

Show more

11% Off
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Block unwanted callers (advertising block), call block (e.g. dial lock of premium rate telephone numbers), low radiation - Eco Plus, reduced power consumption.
Answering machine with 18 minutes of recording time, phone book for 120 entries, alarm clock with weekday setting and snooze function.
4 cm display, display lighting (amber), navigation button (4-way control), hands-free calling, keyboard lock, redial of the last 10 numbers, call list (50).
14 menu languages, 15 different call tones/melodies, standby up to 200 hours, talk time up to 18 hours, 2 x normal Ni-Mh battery (AAA), charging time approx. 7 hours.

34,22 € 38,30 €(11% Off off)