OpenScape SL7 Cordless DECT Phone

Internal ref: SISL7P // Manufacturer part #: L30250-F600-C540

The most compact professional DECT cordless phone in the Mitel OpenScape range, designed to ensure business mobility, high-quality audio and secure communications.

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£259.99
£311.99 Incl. VAT
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2 years of manufacturer warranty Subject to manufacturer conditions
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Key features

  • DECT cordless telephone for business environments and OpenScape Cordless
  • 2.4-inch colour TFT display with 27 languages available
  • Bluetooth 5.1 and 3.5 mm jack for wired and wireless headsets
  • HD audio with encrypted voice transmission
  • Compact and lightweight design: ideal for all-day use
  • Compatible with OpenScape Business, 4000 and Cordless IP DECT infrastructures
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In the box

  • 1x Mitel OpenScape DECT Phone SL7 cordless telephone
  • Rechargeable AAA NiMH batteries
  • 1x Belt clip
  • Quick start guide

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Product description

Mitel OpenScape DECT Phone SL7 -Professional mobile communication with a compact design

The Mitel OpenScape DECT Phone SL7 is a professional DECT cordless telephone designed for businesses requiring reliable communications, high-quality audio and maximum freedom of movement. Thanks to its extremely compact and lightweight design, it is the ideal solution for offices, healthcare facilities, warehouses, corporate campuses and any environment where users need to remain reachable whilst on the move.

Although it is the smallest model in the OpenScape DECT range, it incorporates advanced features tailored to business environments, offering an intuitive user experience, excellent voice quality and a high level of communications security.

Maximum mobility without compromising on audio quality

The professional DECT system guarantees stable coverage, consistent voice quality and reliable communications even whilst moving around the premises. The automatic roaming function allows you to switch from one DECT cell to another without interrupting the call, whilst automatic channel switching maintains the best available quality.

Encrypted voice transmission protects business conversations, whilst secure terminal authentication enhances the network’s security.

Stylish design and intuitive operation

The phone features a refined finish with a silver front panel and a large 2.4" colour TFT display with a resolution of 240 × 320 pixels, making it easy to view information.

The modern graphical interface allows for quick navigation between the address book, calls, settings and system functions. 27 languages are available, making the device ideal for multinational companies as well.

Weighing approximately 104 grams and with extremely compact dimensions, the handset can be used comfortably throughout the working day.

Professional connectivity for every need

The OpenScape DECT Phone SL7 supports both Bluetooth 5.1 headsets and wired headphones via a 3.5 mm jack, offering maximum operational flexibility.

The internal memory allows you to manage up to 500 contacts, with multiple numbers, email addresses and additional information for each contact.

Other available features include:

  • configurable audio profiles;
  • vibration;
  • customisable screensavers;
  • advanced address book;
  • key mapping;
  • PIN-based handset lock;
  • message waiting indicator (MWI).

Compatibility with the OpenScape ecosystem

The device is designed to integrate with OpenScape Business, OpenScape 4000 and OpenScape Cordless IP infrastructures, ensuring full continuity with existing Mitel environments.

It also supports:

  • multi-cell roaming;
  • seamless handover;
  • registration on multiple DECT systems;
  • system address book;
  • integration with OpenScape User Management.

Ideal for dynamic businesses

Thanks to the combination of professional mobility, high audio quality, Bluetooth 5.1, secure communications and seamless integration with OpenScape systems, the Mitel OpenScape DECT Phone SL7 is the ideal solution for administrative staff, receptionists, healthcare professionals, hospitality staff, logistics personnel and all users who work on the move every day.


Technical specifications:

Feature Value
Technology Professional DECT
Display 2.4" colour TFT
Display resolution 240 × 320 pixels
Display colours 65,000 colours
Available languages 27
Bluetooth Version 5.1
Headset connection Bluetooth and 3.5 mm jack
Data port USB-C
Contacts Up to 500 contacts
Audio profiles 3 configurable profiles
Vibration Yes
Voice transmission Encrypted
Multi-cell roaming Yes
Handover during a call Yes
Automatic channel switching Yes
Secure recording Yes
Battery 2 AAA NiMH batteries
Dimensions 133 × 52 × 22 mm
Weight Approx. 104 g
Compatibility OpenScape Business, OpenScape 4000, OpenScape Cordless IP

Product Specs.

OpenScape SL7 Cordless DECT Phone
Manufacturer part #L30250-F600-C540
EAN4255781907024
Warranty2 years
By SectorPublic administrations, Corporate and Office
Product typeDect Base
Corded or cordlessWireless
TechnologyPBX (digital/IP)
Sold as packNo
Type of displayColour display
Caller IDWith caller ID
Call recordingWithout call recording
BluetoothWith Bluetooth
WifiWithout WiFi
Headset portWithout port
Headset conectivityNot compatible
Lone worker protectionNo
Battery type2 x NiMH AAA batteries


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