Huawei UC Voice PABX Product Brochure
eSpace E7803X
Huawei IP Phone Expansion
Product Details

Product Overview
eSpace 7803X is an IP phone expansion board that extends the programmable keys of eSpace 7830, 7850, and 7870 to 38 keys, with a 160×320 pixel LCD screen for visual labels.
The expansion board provides 2 RJ12 ports, 16-level grayscale backlight display, and 2 pages with a total of 38 programmable keys. When powered by the phone base, up to 2 units can be cascaded, expanding the total number of programmable keys to 76. Ideal for high-volume roles such as managers, secretaries, and receptionists.
Key Features
- Backlit 160x320-pixel LCD with 16 grayscale levels.
- 20 dual-color LED-lit keys per page for status indication; 2 pages support up to 38 programmable keys in total.
- Maximum support for 2 eSpace 7803X cascades
- Recognizable functional icons
Technical Specifications (12Item
- API
- 2 RJ12(6P6C) connectors
- LCD screen
- Resolution: 160 × 320 pixels, 16-level grayscale adjustment
- Maximum Programmable Keys
- 38
- Page count
- Page 2
- Max Cascade Count (Phone Power Supply)
- 2 (up to 76 programmable keys)
- Features
- Directed Call Answering, Group Call Answering, Call Hold, Conference, Call Park, Call Transfer, Call Forwarding, Do Not Disturb, Voicemail, Redial, Callback, Page Turn, Speed Dial, Call Listen, Shared Line, XML Browser
- Power Source
- No external power required; powered by the telephone handset.
- Storage Temperature
- -20°C ~ 60°C
- Operating Humidity
- 10% to 90% condensation-free
- Storage Humidity
- 10% to 90% condensation-free
- Weight
- 0.29kg
- Installation Method
- Desktop placement