The store will not work correctly in the case when cookies are disabled.
JavaScript seems to be disabled in your browser.
For the best experience on our site, be sure to turn on Javascript in your browser.
Skip to Content
Need help?
Create a Business Account
Delivery
Returns
Track your order
FAQs
Bulk Order
Contact us
Ready to order? Need advice? Call us!
Phone
0333 123 3050
Monday to Friday, 8.30am-5.30pm
Mon to Fri, 08.30-17.30
Excellent
Toggle Nav
My Cart
Account
Search
Menu
All Categories
Headsets
Wireless Headsets
For Desk Phones
For Deskphone and PC
For Desk Phones and Mobiles
For Desk Phones, Mobiles and PC
For Cordless DECT Phones
For PC
For Mobiles
For PC and Mobile Phones
Corded Headsets
For Desk Phones
For PC
For Mobile Phones
For PC and Mobile Phones
PC Headsets
With USB Connection
With USB-C Connection
With 3.5 mm audio jack
Cordless PC Headsets
Optimized for Teams and Skype
Accessories
Handset Lifters and Electronic Hook Switches
Connection Cables for Corded Headsets
Ear Cushions and Microphone Covers
Amplifiers and Switches
USB Adapters
Chargers, Bases and Batteries
Replacement Headsets and Parts
Headset Care
Other Headset Accessories
Top searches
Noise-Cancelling Headsets
Headsets for Landline Phones
Headset Packs
Call Center Headsets
Bluetooth Headsets
Optimized for Teams and Skype
Shop by Brand
Sennheiser
EPOS
Plantronics / Poly
Logitech
Yealink
Top 10
Top 10 Office Headsets
Top 10 Bluetooth Headsets
Top 10 Headsets for Call Centres
Top 10 Best Noise-Cancelling headsets
Top 10 Best Wireless Headsets
Top 10 Best PC headsets
Top 10 Best Corded Headsets
Top 10 Best Jabra headsets
Top 10 Best Plantronics headsets
Top 10 Best Sennheiser headsets
Knowledge Base
What´s Noise-cancelling technology?
How to choose your headset
Headsets FAQs
Accessory FAQs
Headset Cable FAQs
Meeting Room Equipment
Room Size
Home Working Bundles
Huddle Room (2-3)
Small Meeting Room (3-5)
Medium Meeting Room (6-12)
Large Meeting Room (12+)
Video Conferencing Equipment
Video Conferencing Bars
USB Conference Camera
USB Webcams
Microphones
Audio Conferencing Equipment
Tour Guide Systems
Conference Phones
Speakerphones
Conference Room Speakers
Expansion Microphones
Compatible Platforms
Microsoft Teams
Zoom
Google Meet
MultiPlatform
Others
Professional Displays
Monitors
Touch / Interactive Display
Video Projector
Presentation
Wireless Presentation System
Document Cameras
Docking Stations
Licenses and Warranties
Warranties
Conference Accessories
Controllers and Interfaces
Room Reservation
Mounts and Trolleys
PSU´s, Cables and Adapters
Locks and Security
Recommended by OneDirect
Conference Room Configurator
Complete Solutions
Top 10
Knowledge Base
Conferencing Buying Guide
Conferencing Accessories Buying Guide
Two-way Radios
License-Free Two Way Radios
Consumer Two-way Radios
Business Two-way Radios
Saver Packs
Saver Packs with Accessories
Licensed Two-way Radios
Analogue Radios
Digital Radios
Hybrid Analogue Digital Radios
Pre-Programmed Licensed Radios
Push-To-Talk Over Cellular (PoC)
Walkie-talkies by Industry
Two-Way Radios for Hotels & Restaurants
Two-Way Radios for Schools
Robust Two-Way Radios for Construction
Robust Two-Way Radios for Manufacturing
Robust Two-Way Radios for Transport
Top searches
Top 10 Best Motorola Two-Way Radios
Top 10 best two-way radios
Two-Way Radios for Outdoor Events
Waterproof/Water Resistant Radios
Long Range Two-Way Radios
ATEX Two-Way Radios
Ear Defenders with Built-In Two-Way Radio
Accessories
Two-way Radio Earpieces
Chargers and Batteries
Ear Defenders for Two Way Radios
Speaker Microphones
Antennas
Protective Covers
Connection Cables
Home Office Security
Other Accessories
Knowledge Base
Walkie-talkie buying guide
Waterproof & Water resistant Walkie Talkies Guide
Walkie-talkie Accessory buying guide
IP Ratings Explained
VHF vs. UHF radios - What's the difference?
Shop by Brand
Cobra
Motorola
Kenwood
Mitex
Entel
Telephones
IP Phones
Corded IP Desk Phones
Cordless VoIP Phones
Additional Handsets
With Power Over Ethernet (PoE)
IP Phones with Bluetooth
USB Desk Phones
Main IP Cordless Handsets with Base
Deskphones
Analogue Desktop Phones
With Built-In Answer Phone
Key Phones / Key stations
Cordless Phones
Cordless Handsets with Base
Multi-Handset Packs
Additional Handsets
With Built-In Answer Phone
Wall Mountable Cordless Phones
Robust Cordless Phones
Long Range Cordless Phones
Desk Phone Accessories
Keypad Expansion Modules
Repeaters
DECT Base Stations
Switches and Routers
Cables and Cords
Power Supplies, Chargers and Batteries
Covers and Clips
Other Accessories
Top Searches
Top 10 best analogue conference phones
Top 10 best cordless phones
Top 10 best voip phones
Telephones for Teams ID: 4679
IP Video Phones
Office Phone Packs
Reconditioned Phones
Wall Mountable Phones
Emergency Phones
Hotel Phones
Shop by Brand
Yealink
Grandstream
Polycom
Mitel
Cisco
Snom
BT
Gigaset
Fanvil
Knowledge Base
How to choose your VoIP phone
Download our VoIP Phone Buying guide
How to choose your Business Telephone
What´s DECT Techonology?
What´s POE?
Emergency telephones: keeping your workplace safe
Telephone Systems
Telephone Systems
Analogue Telephone Systems
DECT Telephone Systems
Hybrid Telephone Systems
Starter Packs with Phones
Telephone System Accessories
Extra Phones
Key Phones
Expansion Cards
Other Accessories
Digital Recorders
Professional Voice Recorders
Accessories
Top 10 Best Voice-Recorders
Tough Phones
Tough Mobile Phones
Basic Rugged Mobiles
Rugged Smartphones
Mobile Phone Accessories
Tough Tablets
Shock-Resistant Tablets
Accessories for Tablets
Top Searches
Top 10 Best Rugged Smartphones
Emergency Mobile Phones
Headsets for Mobiles and Tablets
Bluetooth Headsets
3.5mm Jack headsets
Shop by Brand
Caterpillar
Crosscall
Hammer
RugGear
Cleyver
Ear Defenders
Ear Defenders
Passive Hearing Protection
Active Hearing Protection
Listen Only Ear Defenders (External Audio Input)
Ear Defenders with Microphones
Ear Defenders With Built-In Two-Way Radio
Top 10 best Ear Defenders
Saver Packs of Ear Defenders
Accessories for Ear Defenders
Headset Care
Cables and Adapters for Two Way Radios
Cables and Adapters for Mobiles / Portable Handsets
Additional Microphones
Batteries and Chargers
Knowledge Base
Ear defenders buying guide
Ear Defenders - FAQ
How to choose the best ear defender
Ear muffs for construction: best buys
Best hearing protection for manufacturing
Recording Studio
Video / Streaming
Audio / Podcasting
Refurbished Products
Reconditioned Phones
Refurbished Headsets
Refurbished Conference Phones
Shop by Industry
Construction Industry
Ear Defenders
Robust Two-way Radios
Robust Mobile Phones
Telephones
Manufacturing Industry
Robust Two-way Radios for Manufacturing
Robust Mobile Phones for Manufacturing
Conferencing Equipment for Manufacturing
Ear Defenders for Manufacturing
Education
Two-way Radios for Schools
Telephones for Schools
Document Cameras for Schools
Voice Recorders for Schools
Healthcare Services
Conferencing Equipment for Healthcare
Voice Recorders for Healthcare
Headsets for Healthcare
Telephones for Healthcare
Transport and Logistics
Robust Two-way Radios for Transport
Robust Mobile Phones for Transport
Headsets for Transport
Ear Defenders for Transport
Hospitality Industry
Two-way Radios for Hospitality
Telephones for Hospitality
Conference Equipment for Hospitality
Mobile Phones for Hospitality
Call Centres
Headsets for Call Centres
Telephones for Call Centres
Conferencing Equipment for Call Centres
Accessories for Call Centres
Hybrid Working
Outlet
Video Conference
Professional Displays
Two-Way Radios
Headsets
Office Phones
Tough Phones
Top 10
Shop by Brand
Home
Telephones
Analogue Phones
Hotel Phones
Clear All
Hotel Phones - ATL
Grid
List
1 Item
Sort By
Recommendations
Price Low to High
Price High to Low
Bestselling / Stock
Customers reviews
ATL Delta 820 Compact Hotel Telephone
Discontinued
Check similar products
Compare
Ref: ATLD820UK
Show
24
40
72
96
per page
Now Shopping by
Manufacturer
ATL
Clear All
Shopping Options
Category
Less
Manufacturer
Depaepe
20
items
ATL
1
item
Agent
1
item
Interquartz
1
item
Gigaset
1
item
Fanvil
1
item
Less
Price
