3
Phone characteristics
•
Wide range of codecs support: support for
G.711, ADPCM, and G.729A/B on NBX platforms
and G.722, G.711, and G.729 on VCX platforms
allows the phone to negotiate high-fidelity or
lower-bandwidth codecs during call setup, giving it
flexibility in voice quality and network bandwidth
usage
•
Fixed-feature buttons: 3101 phones support 5
fixed-feature buttons, 3102 phones support up to
10, and 3105 attendant consoles support 4; Hold
and Message buttons are clearly distinguished to
help users handle calls professionally; dedicated
Mute, Speaker, and Volume buttons allow for
efficient call handling
•
Three softkeys below liquid crystal display
(LCD): an intuitive display with three softkeys and a
four-way cursor controller provides instant access to
the location's user directory and call logs
•
Four-way navigation control: phones include
three softkeys and four-way cursor for seamless
menu manipulation and data entry
•
Phone handset support for G.722
wideband audio: anticipates evolving standards
with a wideband audio-ready handset
•
RJ-9 headset jack: allows industry-standard
RJ-9-compatible wired and wireless headsets and
handset lifters to be connected for easy call
handling and convenience; allows for easy
connection of the HP 3101 and 3102 handsets
•
Two-line, 160x33 pixel 3.4 inch LCD: both
the 3101 and 3102 phones have a two-line
display, allowing for a varied number of
simultaneous calls at any time, depending on if
they're connected to the NBX or VCX; the LCD
supports two character lines and is capable of
displaying 24 characters
•
Adaptive jitter buffer: media and
packet-processing technology in the 310x phones
allow them to reduce interruption or delay in the
voice audio packets, which significantly improves
overall voice quality
•
Support of IP-ToS, IEEE 802.1p, and VLAN:
the 3101 phone supports various Quality of Service
(QoS) settings that help ensure signaling and media
VoIP voice packets receive the preferential treatment
they require on the network, increasing total voice
quality; options include IP Type of Service (ToS),
IEEE 802.1p priority tag based on IP address, and
traffic directing on a per-VLAN-segment basis
•
DHCP Option 184: 310x phones can receive
their IP telephony server IP address from DHCP by
using DHCP Option 184; when the phone boots up,
it's already autopopulated with the primary (and
secondary if it's VCX) SIP server information, making
phone setup easier
•
Support for NBX and VCX platforms: 310x
IP phones are capable of being discovered with the
NBX server and registering with the VCX SIP server
and downloading their phone profile from the server
•
Support for silence suppression: 310x phones
support silence supression with the use of G.729b
Codec; this is used to prevent transmission of voice
packets over the network when one of the parties
involved in a call is not speaking, reducing
bandwidth usage and providing a major benefit
•
Support for speaker phone: the 3101 phones
with a half-duplex speaker improve voice
communications by allowing a two-way speaker
phone for convenient hands-free telephony services;
the 3102 delivers the audio performance of a
high-quality, full-duplex speaker phone
Warranty and support
•
1-year warranty: with advance replacement
and 30-calendar-day delivery (available in most
countries)
•
Electronic and telephone support: limited
electronic and telephone support is available from
HP; refer to www.hp.com/networking/warranty for
details on the support provided and the period
during which support is available
•
Software releases: refer to
www.hp.com/networking/warranty for details on
the software releases provided and the period
during which software releases are available for
your product(s)
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