Gigaset COMFORT 600 SIM

Please ask your local dealer for complete details regarding price and availability.

Product rating summary
Unlimited communication in HD quality, powered by LTE
  • Comfortable phone with classic operation similar to a landline phone, but with modern 4G technology (VoLTE) – intuitive user guidance and excellent voice quality via the LTE network
  • Large 2.4" colour display (TFT) with high contrast for optimum readability
  • Hands-free function with clear audio quality for convenient calls
  • Three direct dialling keys (A, B, C) - quick access to your most important contacts
  • Bluetooth® 5.0 LE - compatible with headsets and hearing aids (M4/T4)
  • Protection against unwanted calls: block & trusted list with up to 50 entries each
  • Large address book for up to 500 contacts o Flexible charging options: Charging cradle or USB-C (type 2.0)
Description

Calling without a landline – with the freedom of LTE

With the Gigaset COMFORT 600 SIM, you experience calling in a completely new way: via the LTE network, with no traditional landline connection.

This elegant comfort phone combines the familiar handling of a classic landline handset with modern 4G technology (VoLTE). Enjoy crystal-clear HD voice quality, fast connections and excellent network coverage – combined with easy operation and maximum flexibility, whether at home, in your holiday home or at the office.

Perfect for anyone who values a familiar handset experience but wants to stay independent of a landline. A phone that perfectly combines future-ready LTE technology and trusted usability.

Gigaset COMFORT 600 SIM in charging cradle, product image
Woman calling with Gigaset COMFORT 600 SIM, HD and VoLTE symbols

Crystal-clear connections – Voice over LTE (VoLTE)

Enjoy conversations in brilliant HD quality. Thanks to Voice over LTE (VoLTE), you benefit from stable connections, fast call setup times and natural voice transmission – so clear it feels as if your conversation partner is in the same room.

Simply insert the SIM card, switch on and start calling: the COMFORT 600 SIM works immediately over the LTE network and is ready to use wherever mobile coverage is available.

This keeps your calls reliable, clear and comfortable – with no landline required.

See clearly. Operate safely.

The 2.4″ TFT colour display with high contrast ensures excellent readability from any angle. Large, clearly arranged keys and an intuitive menu make operation particularly comfortable – whether you are quickly dialling a number or browsing your contacts.

Clear icons and a logical menu structure follow the familiar Gigaset interface, so you can find your way around instantly.

Calling becomes a simple and secure experience – day after day.

Large colour display of the Gigaset COMFORT 600 SIM with menu view
Couple using the hands-free function of the Gigaset COMFORT 600 SIM

Hear clearly. Speak freely.

Whether you are cooking, working from home or relaxing on the terrace, the hands-free function lets you enjoy comfortable calling with excellent clarity.

The Gigaset COMFORT 600 SIM is hearing-aid compatible (M4/T4), making it ideal for anyone who values top-class voice quality and accessibility.

Thanks to Bluetooth® 5.0 LE, you can easily connect headsets or hands-free devices.

The powerful battery provides up to 9 hours of talk time and up to 300 hours standby.

This keeps you flexible and reachable at all times – with a phone that thinks ahead.

Everything under control – speed dial and call protection

Three convenient speed-dial keys (A, B, C) connect you to your most important contacts at the touch of a button.

For extra peace of mind, the integrated call protection helps you manage incoming calls:

  • Unwanted numbers can be blocked via a block list (up to 50 entries).
  • Trusted contacts can be stored in a trusted list (up to 50 entries) so they always get through.

A large phonebook for up to 500 entries and a call log with 100 entries keep your communication clearly organised.

So you stay in control at all times – simply and reliably.

Older man sitting relaxed at home in an armchair
Back of the Gigaset COMFORT 600 SIM with SIM slot and battery

Ready to go – flexible charging, instant use

To ensure your phone is always ready to use, you can charge it as needed via the charging cradle or USB-C (Type 2.0).

The single nano-SIM slot makes setup especially easy: insert the card, switch on and start calling.

Gigaset BattryLife+ technology protects the battery – an intelligent 80% charge limit can extend its lifespan by up to 50%.

A phone that is always ready – flexible, sustainable and uncomplicated.

For everyone who values freedom and comfort.

The Gigaset COMFORT 600 SIM is ideal for:

  • Households in regions without a landline or with decommissioned landline networks
  • Holiday homes, second residences and places where you want to stay reachable
  • Campervans, tiny houses and mobile living concepts without a fixed line
  • Small businesses, studios and shops, even with changing locations
  • Anyone who wants a classic calling experience combined with modern LTE technology

A device that combines freedom, comfort and reliability in one.

Gigaset COMFORT 600 SIM – ideal for holiday homes, mobile stores and campervans
Technical details

Specifications

General settings
Article name
Gigaset COMFORT 600 SIM
Platform
Operating system
Mocor (RTOS)
Audio
Audio quality
HD-Voice
Handsfree (loudspeaker)
Yes
Acoustic profiles
Standard | Vibration | Silent
Hearing aid compatible
Yes
Display
Type
IPS colour display
Format
QVGA
Resolution
240x320 Pixel
Size
2,4”
Memory
RAM memory
64 MB
Internal memory
128 MB
Power supply
Battery capacity
1000 mAh
Battery type
Lithium-ion
Replaceable
Yes
Talk Time
Up to 9 hours
Low power mode time
Up to 300 hours
Gigaset BatteryLife+ Technology: Increases battery life by up to 50% with a pre-set charge limit at 80%
Yes
Input
100 - 240 V ~ 50/60 HZ 0.5 A
Output
5.0 V - 1000 mA
Signalling & display indications
General
Vibration on incoming calls
Ringtones
10
Connectivity
USB interfaces
USB 2.0 Type-C
Bluetooth version
Bluetooth 5.0 LE
Key functions
User interface
Customized UI/UX like traditional cordless handset
Phone book entries
500
Call list
100
SMS
Yes
SMS storage capacity
500
Calendar
Yes
Alarm clock
Yes
Call protection
Blocking list
Blocking list with 50 entries
Trusted list
The trusted list with up to 50 entries ensures that only contacts on this list can make calls.
Network specifications
SIM1
Nano SIM
GSM/2G
850 / 900 / 1800 / 1900 MHz
UMTS/3G
B1(2100), B8(900) MHz
LTE/ FDD/4G
B1(2100), B3(2100), B5(850), B7(2600), B8(900), B20(800), B28(700) MHz
VoLTE (Voice over LTE)
Yes
Processor
Type
Unisoc T107
Keyboard
Keys
Direct call keys (A, B, C) | 5-way navigation key | Keypad with large keys and large fonts
Functions
Volume adjust during a call | Customized UI/UX like traditional cordless handset
Regulations
Protection class
IP44
Dimensions & Weights
H x W x D in mm
155 x 52 x 18
Weight in g
119
Included in product package
Equipment
1x COMFORT 600 SIM | 1x Power supply unit (1m) | 1x Charging cradle | 1x Rechargeable battery | 1x Belt clip | 1x Short user guide | Plastic free packaging
Download & Support

Gigaset COMFORT 600 SIM

Support request

Use our customer service portal to receive support for your Gigaset COMFORT 600 SIM

Open support