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C923

UC 923

UC923
Spec Sheet

C926U Spec Sheet

Quick Reference Guide

C926U Quick Reference Guide

C926U Quick Reference Guide BlueTooth & Wifi

Phone Manual

C926U Phone Manual ( English )

Enterprise HD IP Phone

Gigabit Color IP Phone UC923

UC923 is an innovative Gigabit Color IP Phone, 2.8″ TFT-LCD with 320*240 pixel. It supports up to 5-way conference. UC923 is optimized for executive use for major decision makers, administrative assistants and those working with bandwidth-intensive application on collocated PCs. The high-resolution TFT-LCD and HD Voice bring you the lifelike visual and audio experience.

  • 8 SIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Redial, call return, auto answer, direct IP call
  • 5-way conferencing
  • Group listening, SMS, emergency call
  • Ring tone selection/provisioning
  • Set date time automatically or manually
  • Dial plan for each account
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
  • Action URL/URI
  • USB port (2.0 compliant) for: USB call recording through USB flash drive; USB storage (screen saver, wallpaper); USB headset
  • HD voice, HD handset, HD speaker
  • Codecs: iLBC, G.722, G.711(A/μ), Opus
  • GSM_FR, G.723, G.729AB, G.726-32
  • DTMF: In-band, RFC 2833, SIP INFO
  • Full-duplex hands-free speakerphone with AEC
  • VAD, AGC, CNG, AEC, PLC, AJB
  • Local phonebook up to 1000 entries
  • XML/LDAP remote phonebook
  • Intelligent search method
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded
  • Black list
  • 2.8″ 320*240-pixel color display with backlight
  • 24-bit depth color
  • LED for call and message waiting indication
  • Dual-color (red or green) illuminated
  • LEDs for line status information
  • Wallpaper, multi-language selection
  • Intuitive user interface with icons and soft keys
  • Caller ID with name, number and photo
  • Busy Lamp Field (BLF), bridged Line Appearance (BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking, voice mail
  • Call park, call pickup
  • Intercom, paging
  • Music on hold
  • Flexible seating
  • Call recording
  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af), class 3
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port
  • Support up to 6 Expansion Modules
  • 6 line keys with LED
  • 6 line keys can be programmed up to 20 Paperless DSS keys (4-page view)
  • 8 feature keys: voice mail, headset, mute, speaker, conference, hold, transfer, redial
  • 4 context-sensitive soft keys
  • 6 Navigation keys (include cancel key) and volume control keys
  • No Wireless Option
  • No bluetooth option
  • Configuration: browser/LCD-Menu/auto-provision
  • Auto provision via HTTP/HTTPS FTP/TFTP
  • Auto-provision with PnP
  • Reset to factory, restart, reboot
  • Local tracing log export, system log
  • Phone lock for personal privacy protection
  • Qty/CTN: 10 PCS
  • Phone Size: 205MM(L)*204MM(W)
  • N.W/CTN: 12 KG
  • Phonebox Size:224MM(L)*209MM(W)*99.5MM(H)
  • G.W/CTN: 13 KG
  • Carton Meas:524MM(L)*441MM(W)*260MM(H)
  • SIP v1 (RFC2543), v2 (RFC3261)
  • SIP server/proxy redundancy
  • NAT Traversal: STUN mode
  • DHCP/static/PPPoE/IEEE802.1X/open VPN
  • HTTP/HTTPS web server
  • Time and date synchronization by SNTP
  • DNS-NAPTR/DNS-SRV(RFC 3263)
  • QoS: 802.1p/Q tagging (VLAN),
  • Layer 3 ToS DSCP
  • TLS(Transport Layer Security), SRTP, ZRTP
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication using MD5/MD5-sess
  • IPv6 supported
  • Stand with 2 adjustable angles
  • Wall mountable
  • External universal AC adapter:
  • AC 100~240V input and DC 5V/1.2A output
  • Power consumption (PSU): 1.8~4.4W
  • Power consumption (PoE): 2.3~5.3W
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C