IP phone eSpace 7850
Huawei IP Phone eSpace 7850(eSpace 7850 in short) is a next generation 6-line IP phone using Session Initiation Protocol (SIP). It has a variety of functions and is easy to use. Its features are as follows:
• User-friendly interactive liquid crystal display (LCD) interface and high-fidelity voice quality, perfect for frequent phone users, such as high-level executives, secretaries, and attendants.
• TI TITAN chipset using the TI voice engine technology, which provides high-fidelity voice quality with the help of a high-quality handle, speaker, and headset.
• Large high-resolution LCD and up to 48 buttons for a better user experience
• Automatic deployment technology, simplifying the deployment process for system administrators
• Signaling and media encryption, and Web management pages based on Hypertext Transfer Protocol Secure (HTTPS)



Category Item Parameter
Standard Audio format standard G.711A, G.711μ, G.722, G.726, G.729AB, G.723.1, iLBC
Network protocol SIP v2, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS (A record and SRV), DHCP (client), PPPoE, NTP/SNTP, TFTP
LCD Resolution 320 x 160 pixels
Language Chinese (simplified and traditional), English, French, German, Italian, Polish, Portuguese, Spanish, Turkish
External interface Ethernet ports 2 x RJ-45 ports, 10/100 Base-T
Headset ports RJ-9
Function key Voice mailbox key, headset mode key, call holding key, call transfer key, conferencing key, hands-free key, mute key, redial key
6 LINE keys
6 navigation keys
10 programmable keys
4 soft keys
a volume key
Call feature Call holding, call transfer, call waiting, DND, call forwarding, call muting, redial, call record, volume adjustment, hiding and display of calling numbers, anonymous call, instant dialing, and automatic response
UC features Extension mobility, enterprise directory, caller name and department presentation, Linkage with eSpace PC client
Security feature Signaling encryption: TLS
Voice encryption: SRTP, 128-bit AES
Web access encryption: HTTPS
Switch port: 802.1x
Authentication algorithm: MD5
Function Directory Local directory: 300 contacts
LDAP directory
Call history Records the numbers for history calls, consisting of up to 100 received call numbers, missed call numbers, and dialed call numbers
Ring tone setting Allows users to customize ring tones and set a ring tone for a specified number or user group
Status display The 10 programmable keys can be configured to display the status of other IP phones.
Message waiting indicator (MWI) Provides MWI that blinks for new voice messages
Speed dialing The 10 programmable keys can be configured for speed dialing.
Electrical feature PoE (802.3af) Class 0
Power supply adapter Input: 100–240 V AC
Output: 5 V DC, 1.2 A
POE Power over Ethernet
Power consumption 2.6 W
Authentication FCC/CE/RoHS
Physical features Dimensions (H x W x D) 42 mm x 273 mm x 204 mm
Weight 1.05 kg
Installation mode Placed on a desk

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