Telefon IP , Da , Da , Da , Da , Volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer , Color 3.2-in. QVGA (320 x 240 pixels) backlit LCD graphical display , TCP (RFC 793)UDP (RFC 768)Real Time Protocol (RTP) (RFC 1889, 1890)Real Time Control Protocol (RTCP) (RFC 1889), RTCP-XR (RFC 3611)Differentiated Services (DiffServ) (RFC 2475), type of service (ToS) (RFC 791, 1349) , Flexible dial plan support with inter-digit timersIP address/Uniform Resource Identifier (URI) dialing supportCall progress tone generationJitter buffer - adaptiveFrame loss concealment , Signaling protocol support :SPCP ;SIP version 2 (RFC 3261, RFC 2543, RFC 3263, RFC 3264, RFC 3275)SIP proxy redundancy - dynamic via DNS SRV, A recordsRe-registration with primary SIP proxy server , VLAN tagging 802.1p/QSimple Network Time Protocol (SNTP) (RFC 2030) , Voice activity detection (VAD) with silence suppressionAttenuation/gain adjustmentsVMWI via NOTIFY, SUBSCRIBECaller ID support (name and number)MAC address (IEEE 802.3)IPv4 (RFC 791)Address Resolution Protocol (ARP) , SIP support in Network Address Translation (NAT) networks, including simple traversal of User Datagram Protocol (UDP) through NAT (serial tunnel [STUN])Codec name assignment , DNS A record (RFC 1706), SRV record (RFC 2782)Dynamic Host Configuration Protocol (DHCP) client (RFC 2131)Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516)Internet Control Message Protocol (ICMP) (RFC 792) , Voice algorithms:G. 711;G. 726 ;G. 729 AB;G. 722, Wideband AudioDynamic payload supportAdjustable audio frames per packetDual-tone multi-frequency (DTMF): in-band and out-of-band (RFC 2833), SIP INFO (RFC 2976) , Customizable screen saver on phone display (Photo Album)Music player (MP3)RSS web servicesCisco MonitorViewSIP third-party call control for server-based applications , Call park and unparkCall back on busyCall blocking - anonymous and selectiveDo not disturbIntercomGroup pagingExtension mobilityConfigurable dial/numbering plan support with inter-digit timers - per line , Lightweight Directory Access Protocol (LDAP) and Cisco XML-based corporate directory supportCisco XML services interface (XSI) , URL (IP) dialing supportDistinctive ringing based on calling and called numberSupplementary services feature activation codesSupplementary services announcements codesConfigurable supplementary services soft keys , Call holdMusic on holdCall waitingCaller ID name and number and outbound caller ID blockingCaller ID mapping for incoming callsOutbound caller ID blockingCall transfer - attended or blind , Individual volume setting per audio path (headset/handset/speaker) , Call conferencing - hosted (N-party) or local (3-party)Call forwarding - unconditional, no answer, on busyVisual voice message waiting indicator (VMWI)Shared/bridge line appearanceCall pickup - selective and group , 214 x 212 x 44 mm , 0.9 kg , Ethernet switch :10/100 PC switch port enables LAN connectivity to a co-located PC. Can designate separate VLANs (802.1Q) for the PC and Cisco IP phones, providing improved security and reliability of voice and data traffic. 802.3af PoE WAN port , Wi- Fi :802.11b/g, Wi-Fi Multimedia (WMM) (802.11e)Wi-Fi security :Wired Equivalent Privacy (WEP), 64 or 128 bit ;Wi-Fi Protected Access (WPA), Personal and Enterprise ;WPA2, Personal and Enterprise ;Wi-Fi Protected Setup (WPS) , disabled when phone is used in Wi-Fi mode - spa525g2


Denumiri similare la Telefon VOIP Cisco SPA525G2: SPA 525 G 2, SPA 525G2, SPA5 25G 2

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