eSpace 7803x IP Phone extension board

As an extension board developed for IP phones eSpace 7830, eSpace 7850, and eSpace 7870, Huawei eSpace 7803X provides numerous functions, such as speed dialing and one-key eSpace serials IP PBX service. An eSpace 7803X provides a maximum of 38 programmable keys and displays related icons on the LCD.

eSpace 7803X enriches IP phone users' experience and improves efficiency. It is an ideal choice for managers, secretaries, and reception personnel in enterprises with large call traffic.


  • Used for IP phones eSpace 7830, eSpace 7850, and eSpace 7870
  • 160 x 320 pixel LCD supporting backlight and 16 gray scale levels
  • Twenty keys that use double-color LED lights to distinguish contacts' line status
  • Support of two separate function pages, providing a maximum of 38 programmable keys
  • Support of a maximum of two eSpace 7803Xs cascaded to an IP phone with Power over Ethernet (PoE) power supply
  • Support of a maximum of six eSpace 7803Xs cascaded to an IP phone with an external power supply
  • Distinguished function icons
  • Support for multiple languages
  • Numerous functions such as speed dialing, pickup, call transfer, and Do Not Disturb (DND)

Category Item Parameter
Ports Two RJ12 (6P6C) ports
LCD Resolution: 160 x 320 pixels and 16 gray scale levels
Background light: white
Languages: Simplified Chinese, Traditional Chinese, English, French, German, Italian, Polish, Portuguese, Spanish, Korea and Turkish
Programmable keys 38
Function pages 2
Cascade number of extension board 2 (76 programmable keys at most)
Features Instant dialing, speed dialing, busy lamp field (BLF), voice mailbox, specified pickup, group pickup, call park, group function, remote directory, XML browser, conferencing, call hold, call transfer, call forward, DND, re-dialing, group listening, line sharing
Electrical features Power supply From the IP phone
Input: 100 -240VAC 50/60Hz, Output: 5V DC,1.2A
Power consumption 1W
Environment requirement Working temperature 0°C~40°C
Storage temperature -20°C~60°C
Relative working humidity 10%–90%, no condensing
Relative storage humidity 10%–90%, no condensing
Physical features Dimensions (H x W x D) 100mm×145mm×182mm
Weight 0.29kg
Installation mode Placed on a desk

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