Enterprise HD IP Phone -Classic IP Phone UC921G

Description

UC921G delivers superior HD audio quality, rich and leading edge telephony features, all the functions of software are the same as other models. It is a perfect choice for small to medium businesses looking for a high quality, feature rich IP Phone at an affordable cost.

Phone Features

  • 4 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 per account
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
  • Action URL/URI

Voice Codecs Features

  • 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
  • DTMF: In-band, RFC 2833, SIP INFO
  • VAD, AGC, CNG, AEC, PLC, AJB

Directory

  • 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

IP-PBX Features

  • Busy Lamp Field (BLF), bridged Line Appearance(BLA)
  • Anonymous call, anonymous call rejection
  • Message Waiting Indicator (MWI) , voice mail
  • Call park, call pickup
  • Intercom, paging
  • Music on hold
  • Hot-desking

Display and Indicator

  • 2.8’’ 320×240 pixel color screen with backlight
  • LED for call and message waiting indication
  • Illuminated LEDs for line status information
  • Intuitive user interface with icons and soft keys
  • National language selection
  • Caller ID with name, number

Feature keys

  • 4 line keys with LED
  • 4 line keys can be programmed up to 12 Paperless DSS keys
  • 6 features keys: mute, headset, message,transfer, redial, speaker
  • 4 context-sensitive“soft”keys
  • 5 navigation keys
  • Volume control keys

Interface

  • Dual-port Gigabit
  • Power over Ethernet (IEEE 802.3af), class 2
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port

Physical Features

  • Stand with one angle at 40°
  • Wall mountable
  • AC adapter : 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

Management

  • 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

Network and Security

  • 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
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication using MD5/MD5-sess
  • IPv6 supported

Packing

  • Qty/CTN: 15 PCS
  • Phone Size:138MM(L)*185MM(W)
  • N.W/CTN: 12.45 KG
  • Phonebox Size:172MM(L)*194MM(W)*86MM(H)
  • G.W/CTN: 13.5 KG
  • Carton Meas: 585MM(L)*475MM(W)*220MM(H)