Large display: Eight-line backlit screen with six context sensitive softkeys provides more information and flexibility in call handling
Enhanced Call Management: Large storage for personal directory, callers log, and redial list
Tight Integration: Support for Sphericall MGCP and multiple SIP IP telephony systems including BroadWorks®, Nortel, Sylantro and Asterisk
Multiple Line/Call Appearance Lights: Support up to 9 simultaneous calls. Juggle multiple calls easily with a single press of a button
Shared Call Appearances: Shared calls allow you to place a call on hold at one set and pick it up easily at another set
Remarkable Audio: Quality speakerphone with excellent voice clarity and delivery
Protect Your Investments: Firmware upgrades can be downloaded and installed in the field as standards develop and protocols evolve
Less Wiring: Built in dual 10/100 switched Ethernet ports let you share a connection with your computer. Inline power support eliminates power adapters

Product Specification:

Physical
2 position desk stand
24.9 cm W x 14.7 cm D x 11.5cm D (9.8''W x 5.8''D x 4.5''H)
850 g (30.0 oz.)

Power
Compatible with IEEE 802.3af inline power device
Optional Power Over Ethernet (POE) injector available for networks that do not supply power

Handset / Headset
Modular RJ9 headset connector, compatible with amplified business headsets
Hearing aid compatible handset
Quality speakerphone

Display
3.5'' x 2.25'', 8 line, backlit display

Feature Keys
4 call appearance lines
4 navigational keys
16 customizable softkeys; programmable up to 18 functions
8 predefined hard keys for most common call handling functions including Call Transfer, Conference, Intercom, Hold, Redial, Mute

Networking
Dual 10/100 Mbps switched Ethernet ports
Manual or Dynamic Host Configuration Protocol (DHCP) IP address setup
Time and date synchronization using SNTP
Built-in HTTP server for web administration and maintenance
Server provisioned user configuration files

Protocols / Codecs
IETF SIP (RFC3261) IETF MGCP (RFC3435) G.711 µ-law / A-law G.729