Polycom IP500 - Telefono IP VoIP con vivavoce

Telefono IP - VoIP con viva voce di qualità superiore
Configurazione indirizzo IP manuale o automatica server DHCP
Connessione 10/100 Mb/s su porta ethernet RJ-45.

Standard ITU-T H323 v4.0 con H.450
Display grafico
Codifica G.711 µ/A, GF.723.1 e G.729°
12 voci di rubrica memorizzabili
Possibilità di connessione a Gatekeeper
Gestione Multipunto a tre
E.164 Dialing
Configurazione indirizzo IP manuale o automatica tramite server DHCP
Connessione a rete 10/100 Mb/s attraverso porta ethernet RJ-45

DATI TECNICI
Dimensioni(26.5 cm x 15 cm x 19 cm x 4.5 cm) (WxHxDxT)
Peso confezione:1.26 kg
Power • Universal wall adapter with power provided to the unused pairs of network cable. Optional cable for:
Cisco® Inline Power - IEEE 802.3af Inline Power
Attacco cuffia: • 4-position modular jack compatible with Plantronics® and GN Netcom® amplified business headsets
Handset • Hearing aid compatible
Display• Grayscale graphical 160x80 pixel LCD Message alert indicator
Tasti funzione: • 12 configurable feature keys - (3 keys with display indicators) • Predefined hold key • 4 context-sensitive soft keys
Audio: Individual volume settings for each audio path with visual display feedback
Viva Voce modes including headset and full-duplex speakerphone
Adaptive jitter buffers to improve speech quality Networking
Dual 10/100 Mbps switched Ethernet portsProtocol and Feature Support
Flexible software architecture allowing drop-in signaling protocol stacks
ITU-T H.323v4.0 with H.450 supplementary services
Local GUI
Gatekeeper routed
Alternate gatekeeper support
Support for gatekeeper discovery
Configurable up to 3 lines - varies by IP PBX or Softswitch solution
H.450 (hold, message waiting)
E.164 dialing
PSTN call progress tones
Call information
Call logs
Local hold and retrieve
Local call waiting
Redial
Speed dial
IETF MGCP v1.0 with feature phone extensions
RFC3435
Packet Cable Labs NCS IO7
RFC3149 (Business Phone Packages)
Configurable up to 3 lines – varies by IP PBX

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