Introduction

The Huawei eSpace 7850 is a 6-line desktop VoIP phone with a user-friendly interactive liquid crystal display (LCD) interface that helps make use of its features easy for users. High-fidelity voice quality with the help of a high-quality handset, speaker and headset users with get high-fidelity voice quality when using the Huawei 7850

The Huawei eSpace 7850 features various function keys for a better user experience, such as soft keys,  programmable keys, navigation keys and volume key. User will also benefit from the rich features of this Huawei VoIP phone including such as caller name and department presentation, linkage with eSpace Desktop, and PBX features. For administrators the Huawei eSpace 7850 has automatic upgrade and configuration, and unified management through TR069 by eSpace EMS, simplifying the deployment and maintenance for administrators.

Specification

Display

• 320 x 160 pixels LCD

Keys

• Fixed function keys: message, headset, call hold, call transfer, conference, hands-free, mute, redial
• 6 LINE keys
• 10 programmable keys
• 4 soft keys
• 6 navigation keys
• Volume key

External ports

• 2 x RJ-45 ports, 10/100 Base-T
• 1 handset port: RJ-9
• 1 headset port: RJ-9

Network protocols

• SIP, RTP/RTCP, HTTP, HTTPS, DNS (SRV), DHCP (client), PPPoE, NTP/SNTP, TFTP

Audio codecs

• G.711a, G.711μ, G.722, G.726, G.729AB, G.723.1, iLBC

Audio features

• Automatic Echo Canceling (AEC)
• Automatic Gain Control (AGC)
• Adaptive Jitter buffer (AJB)
• Packet loss concealment (PLC)
• Voice Activity Detection (VAD)
• Comfort Noise Generator (CNG)

Power

• PoE
• Power Adapter: Input: 100–240 V AC, Output: 5 V DC, 2 A