Polycom SoundPoint IP 331 | Điện thoại ip Polycom 331 chính hãng

Thông số kỹ thuật Điện thoại ip Polycom SoundPoint IP 331

Lines (direct numbers) 

• Up to 2 lines with up to 2 concurrent calls per line

Display

• 102 x 33 pixel backlit grayscale graphical LCD

Feature keys

• 3 context-sensitive “soft” keys

• 2 line keys with bi-color (red/green) LED

• 2 feature keys (“Menu” and “Dial”)

• 4-way navigation key cluster with center “Select” key

• 2 volume control keys

• Dedicated hold key

• Dedicated headset key

• Dedicated hands-free speakerphone key

• Dedicated microphone mute key

Headset  and  hearing  aid compatibility

• Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all)

• Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids

• Compatible with commercially-available TTY adapter equipment

Headset compatibility

• Dedicated 2.5-mm headset port compatible with most monaural mobile phone  headsets

Audio features

• Full-duplex hands-free speaker- phone with Polycom® Acoustic Clarity™ technology

– Type 1 compliant with IEEE 1329 full duplex standards

• Frequency response—300Hz–3300Hz for handset, headset and hands-free speakerphone modes

• Codecs: G.711 μ/A and G.729A (Annex B)

• Individual volume settings with visual feedback for each audio path

• Voice activity detection

• Comfort noise fill

• DTMF tone generation/DTMF event RTP payload

• Low-delay audio packet transmission

• Adaptive jitter buffers

• Packet loss concealment

• Acoustic echo cancellation

• Background noise suppression

Call handling features2

• Shared call/bridged line appearance

• Flexible line appearance (one or more line keys can be assigned for each line extension)

• Distinctive incoming call treatment/ call waiting

• Call timer

• Call transfer, hold, divert (forward), pickup

• Called, calling, connected party information

• Local three-way conferencing

• One-touch speed dial, redial

• Call waiting

• Remote missed call notification

• Intercom

• Automatic off-hook call placement

• Do not disturb function

Other features

Interoperability with Microsoft® LCS 2005 for telephony and presence2

Compatibility with Microsoft Office Communicator and Windows® Messenger 1  Clients

Enabled for  Polycom  Productivity  Suite

Local feature-rich GUI

Time and date display

User-configurable contact directory and call history (missed, placed and received)

Wave file  support  for  call  progress tones

Unicode UTF-8 character Multilingual user interface encompassing Danish, Dutch, English (Canada/US/

UK), French, German, Italian, Norwegian, Russian,  Spanish,  Swedish

Protocol support

• IETF SIP (RFC 3261 and companion   RFCs)

Network  and provisioning

• SoundPoint IP 331—two-port 10/100 Mbps Ethernet switch

• Manual or dynamic host configuration protocol (DHCP) network setup

• Time and date synchronization using SNTP

• FTP/TFTP/HTTP/HTTPS server- based central provisioning for mass deployments

• Provisioning and call server redundancy supported

• Web portal for individual unit configuration

• QoS Support—IEEE 802.1p/Q tagging (VLAN), Layer 3

• TOS, and DSCP

• Network Address Translation (NAT) support for static configuration and “Keep-Alive” SIP signalling

• RTCP support (RFC 1889)

• Event logging

• Syslog

• Local digit map

• Hardware diagnostics

• Status and statistics reporting

Security

• Transport Layer Security (TLS)

• Encrypted configuration files

• Digest authentication

• Password login

• Support for URL syntax with password for boot server

• HTTPS secure provisioning

• Support for signed software executables

Power

• Built-in, auto-sensing IEEE 802.3af Power Over Ethernet (Class2)

• External universal input AC adapter (optional4; 24V DC@500mA)

Approvals

• FCC Part 15 (CFR 47) Class B

• ICES-003 Class B

• EN55022 Class B

• CISPR22 Class B

• AS/NZS CISPR 22 Class

• VCCI Class B

• EN55024 Class B

• EN61000-3-2; EN61000-3-3; EN-61000-6-1

• ROHS compliant

• Anatel

• GOST

• C-tick

• CCC

Safety • CE Mark

• EN 60950-1

• IEC 60950-1

• NRTL

• CAB/CSA-C22.2 No. 60950-1-03

• AS/NZS 60950-1

Operating  conditions

• Temperature: 10–40°C (50–104°F)

• Relative humidity: 20%–85%, non-condensing

Storage  temperature

•   -40 to +70  degrees C (-40  to +160 degrees F)

SoundPoint IP 331 comes   with

• SoundPoint IP 331 console

• Handset with handset cord

• Base stand

• Network (LAN) cable

• Quick Start Guide

• Product registration card

Size

• 6.7 in x 5.7 in x 6.9 in x 1.4 in

• (17 cm x 14.5 cm x 17.5 cm x 3.5 cm)