Htek UC923 Technical Specifications

Phone Features

• Up to 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
• XML Browser, action URL/URI
• 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)

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
• Full-duplex hands-free speakerphone with AEC
• 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

• 8″ 320 x 240-pixel color display with backlight
• 16 bit depth color
• LED for call and message waiting indication
• Dual-color (red or green) illuminated
• LEDs for line status information
• Wallpaper, national language selection
• Intuitive user interface with icons and soft keys
• Caller ID with name, number and photo

Feature keys

• 6 line keys with LED
• Paperless DSS keys up to 20 various features
• 8 feature keys: voice mail, headset, mute,speaker, conference, hold, transfer,redial
• 4 context-sensitive “soft” keys
• 6 navigation keys , volume control keys
• Illuminated speaker key/headset key/mute key

Interface

• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 3
• 1xRJ9 (4P4C) handset port
• 1xRJ9 (4P4C) headset port

Physical Features

• Stand with 2 adjustable angles(45°, 55°)
• 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: 10 PCS
• Phone Size:205MM(L)*204MM(W)
• W/CTN: 12 KG
• Phonebox Size:224MM(L)*209MM(W)*99.5MM(H)
• W/CTN: 13 KG
• Carton Meas: 524MM(L)*441MM(W)*260MM(H)