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Full duplex; 4 vonal; 320x160 képpontból álló háttérvilágítású grafikus LCD kijelző; HD voice (tápegységgel). IEEE 802.3af Power over Ethernet (PoE) tápellátás. G. 722 (wideband), G. 711 and G. 729A (Annex B) kodekek. 20x 10/100 Ethernet port. Részletes jellemzők: Polycom SoundPoint IP550 tápegységgel - High Definition hangminőség? SIP telefon A Polycom IP telefonok szabványos, kölcsönös IP szoftver telefonalközpont gyártói együttműködéssel kialakított megoldások. Az IP telefónia világának legkiválóbb hangminőségű, magasfokú funkcionalitást biztosító telefonkészülékei.
A Polycom IP550 jellemzői:
- kézi vagy fejbeszélő üzemmód
- full duplex
- 4 vonal
- 26 dedikált és 4 programozható gomb
- 320x160 képpontból álló háttérvilágítású grafikus LCD kijelző
- gazdag SIP funkcionalitás
- jelenléti információ, kontakt lista, foglalt lámpa jelzés, XHTML
- interoperabilitás vezető SIP IP PDX gyártókkal és Microsoft Live Communication Serverrel
- helyi vagy Ethernet-en keresztüli tápellátás Lines (Directory Numbers)
Up to 4 lines with up to 2 concurrent calls per line Display
320 x 160-pixel backlit grayscale graphical LCD
White LED backlight with custom intensity control
Feature Keys
4 context-sensitive soft keys
26 dedicated hard keys
4 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 Compatibility
Dedicated RJ-9 headset port
Amplified headsets are recommended
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 headset15
Full-duplex hands-free speakerphone
Type 1 compliant with IEEE 1329 full duplex standards
Frequency response - 100Hz - 7kHz for handset, optional headset and hands-free speakerphone modes
Codecs: G. 722 (wideband), G. 711 /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 Features 1
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
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 4and 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, Portuguese, Russian, 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 3/ HTTPS server-based central
FTP / TFTP / HTTP provisioning for mass deployments 4and call server redundancy supported
Provisioning
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 1
Transport Layer Security (TLS) 4
Encrypted configuration files 4
Digest authentication
Password login
Support for URL syntax with password for boot serveraddress
HTTPS secure provisioning 3
Support for signed software executables 3
Power
Built-in, auto-sensing IEEE 802.3af Power over Ethernet
External Universal input AC adapter (included; 24V DC @ 500mA min. )
Version with UK power plug deliverable too
1 Some of these features need to be supported by an appropriate call / applications server. 2 Please visit //www. polycom. com/techpartners. htm for a list of supported platforms. 3 Requires BootROM version 3.2. x or higher. 4 Requires SIP version 2.0. x or higher. 5 In some calling scenarios, such as IP to PSTN, Polycom HD Voice will not be available and the call will progress in narrowband instead.
A Polycom IP550 jellemzői:
- kézi vagy fejbeszélő üzemmód
- full duplex
- 4 vonal
- 26 dedikált és 4 programozható gomb
- 320x160 képpontból álló háttérvilágítású grafikus LCD kijelző
- gazdag SIP funkcionalitás
- jelenléti információ, kontakt lista, foglalt lámpa jelzés, XHTML
- interoperabilitás vezető SIP IP PDX gyártókkal és Microsoft Live Communication Serverrel
- helyi vagy Ethernet-en keresztüli tápellátás Lines (Directory Numbers)
Up to 4 lines with up to 2 concurrent calls per line Display
320 x 160-pixel backlit grayscale graphical LCD
White LED backlight with custom intensity control
Feature Keys
4 context-sensitive soft keys
26 dedicated hard keys
4 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 Compatibility
Dedicated RJ-9 headset port
Amplified headsets are recommended
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 headset15
Full-duplex hands-free speakerphone
Type 1 compliant with IEEE 1329 full duplex standards
Frequency response - 100Hz - 7kHz for handset, optional headset and hands-free speakerphone modes
Codecs: G. 722 (wideband), G. 711 /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 Features 1
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
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 4and 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, Portuguese, Russian, 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 3/ HTTPS server-based central
FTP / TFTP / HTTP provisioning for mass deployments 4and call server redundancy supported
Provisioning
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 1
Transport Layer Security (TLS) 4
Encrypted configuration files 4
Digest authentication
Password login
Support for URL syntax with password for boot serveraddress
HTTPS secure provisioning 3
Support for signed software executables 3
Power
Built-in, auto-sensing IEEE 802.3af Power over Ethernet
External Universal input AC adapter (included; 24V DC @ 500mA min. )
Version with UK power plug deliverable too
1 Some of these features need to be supported by an appropriate call / applications server. 2 Please visit //www. polycom. com/techpartners. htm for a list of supported platforms. 3 Requires BootROM version 3.2. x or higher. 4 Requires SIP version 2.0. x or higher. 5 In some calling scenarios, such as IP to PSTN, Polycom HD Voice will not be available and the call will progress in narrowband instead.
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Polycom
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