Enterprise HD IP Phone – Classic IP Phone UC903

UC903 delivers superior HD audio quality, rich and leading edge telephony features, all the functions of software are the same as other UC900 series 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

• 3 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)
• 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
• Intercom, paging
• Call park, call pickup
• Music on hold
• Hot-desking

Display and Indicator

• 192×64 pixel graphical LCD 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

• 6 line keys with LED
• Paperless DSS keys up to 28 various features
• 8 features keys: voice mail, headset, mute,
• 4 context-sensitive “soft” keys
• speaker, conference, hold, transfer,redial,
• 6 navigation keys
• Volume control keys

Interface

• Dual-port 10/100M Ethernet
• Power over Ethernet (IEEE 802.3af), class 2
• 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): 1.6~4.2W
• Power consumption (PoE): 2.1~5.1W
• 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