23 POLYCOM IP 450 SIP VOIP PHONES W/ HANDSETS & STANDS For Sale

23 POLYCOM IP 450 SIP VOIP PHONES W/ HANDSETS & STANDS


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23 POLYCOM IP 450 SIP VOIP PHONES W/ HANDSETS & STANDS:
$25

Product Specifications Lines (directory numbers) • Up to 3 lines with up to 8 concurrent calls per line Display • 256 x 116 pixel backlit grayscale graphicalLCD • LED backlight with custom intensitycontrol • Message Waiting Indicator (MWI) LED Feature keys • 4 context-sensitive “soft” keys • 17 dedicated “hard” keys • 3 line keys with bi-color (red/green) LED • 3 feature keys • 5 display/menu navigation keys • 2 volume control keys • Mute, headset and hands-free speakerphone keys • Dedicated hold key Headset and hearing aid compatibility • Dedicated RJ-9 headset port • Amplified headsets are recommended • 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 • Full-duplex hands-free speakerphone • Type 1 compliant with IEEE 1329 full duplex standards • Frequency response - 150Hz - 7kHz for handset, optional headset1 and handsfree speakerphone modes • Codecs: G.722 (wideband), G.711 μ/A, G.729A (Annex B) and iLBC • Individual volume settings with visual response for each audio path • Voice activity detection • Comfort noise fill • DTMF tone generation/DTMF event RTPpayload • 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 lineextension) • Busy Lamp Field (BLF) • Distinctive incoming call treatment/ callwaiting • Call timer • Call transfer, hold, divert (forward), pickup • Called, calling, connected partyinformation • 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 • Integration with Microsoft LCS 2005 for telephone and presence3 • Compatibility with Microsoft Office Communicator and Windows® Messenger 5.1 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) • 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 Ethernet Switch • 10/100Base-TX across LAN and PC ports • Manual or dynamic host configuration protocol (DHCP) network setup • Time and date synchronization usingSNTP • FTP/TFTP/HTTP/HTTPS4 serverbased central provisioning for mass deployments • Provisioning and call server redundancysupported • Web portal for individual unit configuration • QoS Support – IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DSCP • Network Address Translation (NAT) support – static • RTCP support (RFC 1889) • Event logging • Local digit map • Hardware diagnostics • Status and statistics Security2 • Transport Layer Security (TLS)3 • Secure Real-time Transport Protocol (SRTP) • Shipped with X.509 certificate installed • Encrypted configuration files3 • Digest authentication • Password login • Support for URL syntax with password for boot server4 • HTTPS secure provisioning4 • Support for signed software executables4 Power • Built-in, auto-sensing IEEE 802.3af Power over Ethernet (Class 2) • External Universal AC adapter (24VDC/12W)5 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 • NZ Telepermit • ROHS compliant • GOST-R Safety • UL 60950-1 • CE Mark • CAN/CSA-C22.2 No. 60950-1-03 • EN 60950-1 • IEC 60950-1 • AS/NZS 60950-1 Operating conditions • Temperature: 0 to 40°C (+32 to 104°F) • Relative Humidity: 5% to 95%, noncondensing Storage temperature • -40 to +70°C (-40 to +160°F)


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