HP 4120 IP Phone J9766A Scheda Tecnica

2

Features and benefits

HP AllianceONE integration

• Microsoft Lync optimized IP phone: provides

ease of configuration and installation; is compatible
with other survivable branch appliances for
Microsoft Lync

Connectivity

• Dual Gigabit Ethernet ports: allows Gigabit

Ethernet connectivity as well as pass-through
capability

• IEEE 802.3af Power-over-Ethernet (PoE)

Class 2 support: simplifies deployment and
dramatically reduces installation costs by helping to
eliminate the time and cost involved in supplying
local power; supports an external power supply unit
adapter (optional)

• USB host and device support: allows USB

connectivity for 'Better Together' connectivity

• Headset port: allows external headset

connectivity (not supplied); headset port also
provides wideband frequency response

Convergence

• LLDP-MED (Media Endpoint Discovery): is a

standard extension of LLDP that stores values for
parameters such as QoS and VLAN to automatically
configure network devices such as IP phones

Phone characteristics

• Microsoft Real Time Audio (RTA)

technology: is designed for both high-quality
wideband and narrowband Voice over IP (VoIP)
applications

• G.722 support: wideband audio that delivers

voice calls with superior audio quality

• G.711 (A-law, µ-law) support: provides

support for legacy voice encoding

• Codecs and acoustic performance: provides

support for codec and acoustic performance
requirements, including voice activity detection
(VAD), comfort noise generation (CNG), acoustic
echo cancellation (AEC), DTMF tone
generation/DTMF event RTP payload, packet loss
concealment, low-latency audio packet transmission,
adaptive jitter buffers, background noise
suppression, automatic gain control (AGC), dynamic
noise reduction, and volume control for each audio
output

• Handset and speakerphone audio outputs:

supports wideband and Hearing Aid Compatibility
(HAC); full-duplex speakerphone (compliant with
IEEE 1329 Type 1) supports acoustic echo
cancellation and provides wideband speaker and
microphone

• User interface and languages: provides

3.5-inch TFT display (320 x 240 pixels) with
Unicode character capability; display features LCD
backlight with automatic display dimming on idle;
supports the following languages: English, French,
Spanish, German, Italian, Dutch, Russian, Brazilian
Portuguese, Japanese, Korean, Simplified and
Traditional Chinese, Finnish, Swedish, Norwegian,
and Danish

• Software features: Basic Mode supports

Contacts, Photos, Standard Enterprise IP-PBX
features such as CAC, Survivability, E911 (U.S.
only), and call park; also provides teleworker
support; Enhanced Mode provides individual
voicemail listings, calendar, and Join Conference
features

• LED: provides Presence Indicator; other LEDs

include Mute, Speaker, Ringing/In Call/Hold,
Headset, and Voicemail

• Warranty: 1-year warranty