| Lines (Directory Numbers) | Up to 4 lines with up to 24 concurrent calls per line |
| Display | 320x160 pixel backlit grayscale graphical LCD;
White LED backlight with custom intensity control;
Message Waiting Indicator (MWI) LED |
| Feature Keys | 4 context-sensitive “soft” keys;
26 dedicated “hard” keys;
6 line keys with bi-color (red/green) LED;
8 feature keys;
6 display/menu navigation keys;
2 volume control keys;
Illuminated mute key;
Illuminated headset key;
Illuminated hands-free speakerphone key;
Dedicated hold 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 |
| Audio Features | Polycom HD Voice technology delivers life-like voice quality for each audio path — the handset, the hands-free speakerphone, and the optional headset1.5;
Full-duplex hands-free speakerphone;
Type 1 compliant with IEEE 1329 full duplex standards;
Frequency response — 150Hz — 7kHz for handset, optional headset1 and hands-free speakerphone modes;
Codecs:
G.722 (wideband),
G.711 /A,G.729A (Annex B) and iLBC;
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 Features | Shared call/bridged line appearance;
Flexible line appearance (one or more line keys can be assigned for each line extension);
Busy Lamp Field (BLF);
Distinctive incoming call treatment/call waiting;
Call timer;
Call transfer, hold, divert (forward), pickup;
Local three-way conferencing;
Called, calling, connected party information;
One-touch speed dial, redial;
Call waiting;
Remote missed call notification;
Intercom;
Automatic off-hook call placement;
Do not disturb function |
| Other Features | Integration with Microsoft LCS 2005 for telephone and presence;
Local feature-rich GUI;
Time and date display;
User-configurable contact directory and call history (missed, placed, and received);
Customizable call progress tones;
Wave file support for call progress tones;
Unicode UTF-8 character support.
Multilingual user interface encompassing Chinese, Danish, Dutch, English(Canada/US/UK), French, German,Italian, Japanese, Korean, Norwegian,Polish, Portuguese, Russian, Slovenian,Spanish, Swedish |
| Protocol Support | IETF SIP (RFC 3261 and companion RFCs) |
| Network And Provisioning | 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/HTTPS4 server-based central provisioning for mass deployments;
Provisioning and call server redundancy supported;
QoS Support — IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DSCP;
Web portal for individual unit configuration;
Network Address Translation (NAT) support — static;
RTCP support (RFC 1889);
Event logging;
Syslog;
Local digit map;
Hardware diagnostics;
Status and statistics |
| Security | Transport Layer Security (TLS)3;
Secure Real-time Transport Protocol (SRTP);
Shipped with X.509 certificate installed;
Encrypted configuration files3;
Password login;
Digest authentication; Support for URL syntax with password for boot server4;
HTTPS secure provisioning4;
Support for signed software executables |
| Power | Built-in, auto-sensing IEEE 802.3af Power over Ethernet (Class 2);
External Universal AC adapter (24VDC/12W) |
| Approvals | FCC Part 15 (CFR 47) Class B;
ICES-003 Class B;
EN55022 Class B;
CISPR22 Class B;
AS/NZS CISPR 22 Class B;
VCCI Class B;
EN55024;
EN61000-3-2;
EN61000-3-3;
Anatel;
C-tick;
GOST-R;
CCC |
| Safety | UL/C-UL;
CE Mark;
EN60950-1;
IEC60950-1;
AS/NZS60950-1 |
| Operating Conditions | Temperature: 0 to 40°C (+32 to 104°F);
Relative Humidity: 5% to 95%, noncondensing |
| Storage Temperature | -40 to +70°C |
| Soundpoint Ip 450 Comes With: | SoundPoint IP 550/560 console;
Handset with handset cord;
Base stand;
Network (LAN) cable;
Universal Power Adapter (including country specific cord kit)5;
Quick Start Guide;
Product registration card |
| Size | 21.5 cm x 15 cm x 16.5?6.5 cm |
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