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Executive Business Phones
UC926U UC924U
Classic Business Phones
Standard Business Phones
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UC924U OST-executive Business Phone

Phone Features
12 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
USB port(2.0 compliant)for: USB call recording through USB flash drive; USB storage (screen saver, wallpaper); USB headset
Audio Features
HD voice, HD handset, HD speaker 
Codecs: iLBC, G.722, G.711(A/μ), Opus, G.723.1, G.729AB, G.726-32, G.722.1
DTMF: In-band, RFC 2833, SIP INFO 
Full-duplex hands-free speakerphone with AEC
AEC, VAD, AGC, CNG,  PLC,  AJB, JIB
Directory
Local phonebook up to 10,000 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 
Hot-desking, voice mail
Call park, call pickup 
Intercom, paging 
Music on hold 
Flexible seating
Call recording 
Display and Indicator
3.5" 480 x 320-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, national language selection 
Intuitive user interface with icons and soft keys 
Caller ID with name, number and photo
Feature keys
8 line keys with LED 
Paperless DSS keys up to 28 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  
Interface
Dual-port Gigabit Ethernet 
Power over Ethernet (IEEE 802.3af), class 3
1xRJ9 (4P4C) handset port 
1xRJ9 (4P4C) headset port 
Supports up to 6 Expansion Modules 
1xUSB Port (2.0 compliant)
1xRJ12 (6P6C) EXT port
Support EHS
Physical Features
Stand with 2 adjustable angles
Wall mountable
External universal AC adacpter
AC 100~240V input and DC 5V/1.2A output
Power consumption (PSU): 2.0~4.6W
Power consumption (PoE): 2.5~5.5W
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, 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/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: 224MM(L)*220MM(W)
N.W/CTN: 14.16 KG
Phonebox Size:245MM(L)*225MM(W)*100MM(H)
G.W/CTN: 15.16 KG
Carton Meas:525MM(L)*510MM(W)*245MM(H)