Cisco SPA512G

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Descrierea produsului
Caracteristici tehnice
Telefon IP Cisco SPA512G  Tip:1 Line IP Phone with Display, PoE and Gigabit PC PortConferinta:� Multiparty conferencing via external conference bridgeAgenda telefonica:� Personal directory with auto-dial (150 entries)Caller ID:DaRedial:DaRestrictionare apel:DaVolum sonerie:� Volume control rocking up/down knob controls handset, headset, speaker, ringerData/ora:DaLCD grafic:� Backlit pixel-based display: 128 x 64 monochrome graphical liquid crystal display (LCD)Caracteristici speciale:Data networking : 
� MAC address (IEEE 802.3)
� IPv4 - Internet Protocol v4 (RFC 791)
� ARP - Address Resolution Protocol,
� DNS - A record (RFC 1706), SRV record (RFC 2782)
� DHCP Client - Dynamic Host Configuration Protocol (RFC 2131)
� ICMP - Internet Control Message Protocol (RFC 792),
� TCP - Transmission Control Protocol (RFC793)
� UDP - User Datagram Protocol (RFC 768)
� RTP - Real Time Protocol (RFC 1889) (RFC 1890),
� RTCP - Real Time Control Protocol (RFC 1889)
� DiffServ - Differentiated Services (RFC 2475)
� ToS - Type of Service(RFC 791, 1349),
� VLAN tagging 802.1p/Q - Layer 2 quality of service (QoS)
� SNTP - Simple Network Time Protocol (RFC 2030),
Voice gateway : 
� SIP v2 - Session Initiation Protocol version 2 (RFC 3261, 3262, 3263, 3264)
� SPCP - Smart Phone Control Protocol with UC500,
� SIP proxy redundancy - dynamic via DNS SRV, A records
� Reregistration with primary SIP proxy server
� SIP support in NAT networks (including STUN),
� SIPFrag (RFC 3420)
� Secure (encrypted) calling via SRTP
� Codec name assignment,
� Voice algorithms:
G. 711 (A-law and μ-law)
G. 726 (16/24/32/40 kbps)
G. 729 A
G. 722,
� Dynamic payload support
� Adjustable audio frames per packet
� DTMF - Dual-tone multifrequency, in-band and out-of-band (RFC 2833) (SIP INFO),
� Flexible dial plan support with interdigit timers
� IP address/URI dialing support
� Call progress tone generation,
� Jitter buffer: adaptive
� Frame loss concealment
� VAD - Voice activity detection with silence suppression
� Attenuation/gain adjustments,
� MWI - Message waiting indicator tones
� VMWI - Voicemail waiting indicator, via NOTIFY, SUBSCRIBE
� Caller ID support (name and number),
� Third-party call control (RFC 3725),
Provisioning, administration, and maintenance :
� Integrated web server provides web-based administration and configuration,
� Telephone keypad configuration via display menu/navigation
� Automated provisioning and upgrade via HTTPS, HTTP, TFTP
� TR-69, TR-104, and TR-111 Provisioning,
� Asynchronous notification of upgrade availability via NOTIFY
� Nonintrusive in-service upgrades
� Report generation and event logging,
� Statistics transmitted in BYE message
� Debug and syslog server records: configurable per lineDimensiuni baza:214 x 212 x 44 mmGreutate baza:1.1 kgAlimentare:� Power supply is optional and is purchased separately
� Models: PA100-NA, PA100-EU, PA100-UK, PA100-AU
� Switching type (100-240V) automatic,
� DC input voltage: +5 VDC at 2.0A maximum
� Power adapter: 100-240V50-60 Hz (26-34 VA) AC inputAltele:Physical interfaces :
� Two 10/100/1000BASE-T RJ-45 Ethernet ports (IEEE 802.3)
� Handset: RJ-9 connector
� Built-in speakerphone and microphone
� Headset 2.5-mm port
Denumiri similare la Telefon VOIP Cisco SPA512G: SPA 512 G, SPA 512G, SPA512 G
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