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Siemens Gigaset C450

Siemens Gigaset C450
alaScore 80

163 reviews

Jul, 2018

alaTest has collected and analyzed 163 reviews of Siemens Gigaset C450. The average rating for this product is 4.1/5, compared to an average rating of 4.0/5 for other Cordless Phones for all reviews. Reviewers really like the reliability and price. The size and usability also get good feedback.

design, usability, size, price, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Cordless Phones the Siemens Gigaset C450 is awarded an overall alaScore™ of 80/100 = Very good quality.

Review analysis

(Based on 163 reviews)

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Consumer review (

Siemens Gigaset HC450 Door Entry


easy install and very easy to use. works excellent with siemens telephone. sound quality very good


Product Specifications

With the Gigaset C450 IP, you don't even need a PC to start making Internet phone calls. If you like flexibility, then you'll love how easy it is to switch between Internet and fixed-line calls. Just press a button. It's that easy, especially thanks to plug-and-play convenience too. The Gigaset C450 IP proves that cutting-edge technology can also be brilliantly easy to use. Without the need for a PC, you simply plug-in the Gigaset C450 IP to your phone connection and in a few steps you can start phoning over the internet to your friends and family around the world. Conveniently select the Internet telephony provider you prefer on the handset's illuminated display. No matter what, you're assured Gigaset's Quality of Service (QoS) for superb Internet telephony quality. VoIP doesn't get any easier than that.


Standby Time:Up to 150h
Talk Time:Up to 600 min

Call management

Calling line identification presentation (CLIP): Yes
Conference call: Yes
Explicit call transfer: Yes
Redialing: Yes
Speed dialing: Yes


Backlight buttons: Yes
Colour of product:Black / Black, White / White

Dimensions & Weight (Base)


Dimensions & Weight (Handset)



Display number of colours:4096 colours
Display number of lines:4
Display Resolution:101 x 80
Type:LCD display


Model:C450/C450 Duo/C450 IP
Packaged Quantity:1
Product Line:Siemens Gigaset


Battery capacity indicator: Yes
LED indicators: Yes

IP Telephony


Management features

Navigation key: Yes
Voice dialing:No / Yes


Call list capacity phonebook:100
Phonebook capacity:100
SMS storage capacity:160


Colour:Rich black

Other features

Dimensions (WxDxH):140 x 53 x 28 / 53 x 28 x 140 / 53.2 x 28 x 140.7
Mac compatibility: No
Wall mountable: No


Answering Machine:No / Yes
Maximum indoor range:50 / up to 50 meters
Maximum outdoor range:300
Recording Time:25

Phone features

Dialer location:Handset
Dialer type:keypad + text
Multi handset capability:4 / 6
Paging function: Yes
Polyphonic ring: Yes
Short Message Service (SMS): Yes
Speakerphone: Yes

Ports & interfaces

Plug and Play: Yes
Wireless Connection:No / Yes


Battery technology:Nickel-Metal Hydride (NiMH) / Nickel–Metal Hydride (NiMH)
Battery Type:AAA
Number of Batteries Supported:2
Standby time:150
Talk Time:10


Conference Call Capability: Yes
Cordless Phone Standard:DECTGAP
Dialer Type:Keypad
Header Features:W/ caller ID
Type:Cordless phone/Cordless phone / VoIP phone

Telephone Features

Automatic Redial:Built-in / Yes
Caller ID:Built-in / Yes
Handset Locator:Built-in / Yes
Speakerphone:Built-in / Yes

Weight & Dimensions

Base dimensions:124 x 80 x 102 / 144 x 83 x 108
Handset dimensions (WxDxH):53 x 28 x 140 / 53.2 x 28 x 140.7
Handset weight:116