Hanlong Enterprise HD IP Phone – Gigabit Color IP Phone UC842


Enterprise HD IP Phone—Gigabit Color IP Phone UC842

UC842 is an innovative enterprise-level Color IP Phone that features 4 Line keys, 3.5” TFT-LCD with
480*320 pixel. It supports up to 3-way conference. UC842 is optimized for executive use for major
decision makers, administrative assistants and those working with bandwidth-intensive application
on collocated PCs. Line keys could be also configured as IP PBX features like BLF, SCA, Intercom,
Call Pickup, Call Park and many other features. The high-resolution TFT-LCD and HD Voice bring you
the lifelike visual and hearing experience.

Features :

  • 3.5”TFT-LCD, 480 x 320 pixel, 262K colors
  • Dual-port Gigabit Ethernet ports
  • 3 VoIP accounts
  • Multi-language
  • 37 keys including 4 Line keys
  • Support Power over Ethernet(PoE)
  • Support Auto-provision via TFTP / FTP / HTTP /HTTPS


Physical Feature:

  • 3.5”TFT-LCD, 480 x 320 pixel, 262K colors
  • Ethernet: Dual-port Gigabit Ethernet ports
  • Keys: 37 keys including 4 programmable keys
  • Handset: 1 RJ9(4P4C)
  • Headset: 1 RJ9(4P4C)
  • Power adapter: 5V/1.2A
  • Power over Ethernet(PoE): IEEE 802.3af (Optional)

VoIP Protocol:

  • SIPv2, SDP(RFC 2327), RTP(RFC 1889,1890), RTCP
  • RFC 2833 X-NSE Tone Events for SIP/RTP, AVT Tone
  • Events for SIP/RTP

Voice Codecs:

  • HD wideband codec:
  • G.722. HD Codec, HD speaker, HD handset
  • Full-duplex speakerphone with AEC
  • G.711u/a-law, G.723.1, G.726, G.729A/B.
  • DTMF(In-Band, RFC2833, SIP Info)
  • Acoustic Echo Cancelation(AEC),
  • Acoustic Gain Control(AGC)
  • Voice Activity Detection(VAD), Comfort Noise insertion


  • HTTPS Server/Client
  • Transport Layer Security (TLS)
  • SRTP (RFC3711), SIPS
  • VLAN QoS (802.1pq)

Telephone Interfaces:

  • 3 VoIP Accounts
  • Menu-driven user interface, XML Idle Screen, Theme,
  • Screen Sleep
  • Call hold, Call waiting, Call forward, Call return,
  • Redial,Call transfer
  • Caller ID display, DND, Auto-answer, 3-Way Conference
  • Mute, Speed dial, SMS, Voicemail, Message Waiting
  • Indication (MWI) LED, Call history
  • Hot-desking, Tone scheme, Volume control
  • Ring tone selection/Import/Delete
  • Broad and Deep Interoperability
  • Soft keys programmable
  • Phonebook, Black list XML/LDAP phonebook

Network Protocol:

  • Static/DHCP/PPPoE
  • TFTP/DHCP/PPPoE client
  • Telnet/HTTP/HTTPS server


  • Layer 2(802.1Q, 802.1P) QoS
  • Layer 3 (ToS, DiffServ, MPLS) QoS


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