VoIP телефон Cisco SPA525G2, 3.2" (8.13 cm) QVGA LCD дисплей, 5 линии, 2x RJ-45 10/100, PoE, тъмно сив

Cisco SPA525G2
5-Line Business IP Phone with Enhanced Connectivity and Media for a New Level of User Experience

Features

Graphical display: Color 3.2-in. QVGA (320 x 240 pixels) backlit LCD graphical display

Lighted line keys: 5 illuminated call appearance line buttons with tricolor LEDs
Hold key: Puts current call on hold
Voicemail key: 1-button access to voicemail
Menu key: Accesses call history, directory, speed dials, MP3 player, web applications, user preferences, network configuration, device administration, and status
Lighted mute key: Lights up red when the call is on mute, and turns off when mute is removed. Also lights red in the event of a network failure
Lighted headset key: Lights up green when pressed and using a Bluetooth or 2.5-mm headset for hands-free calling
Lighted speakerphone key: Activates full-duplex speakerphone; stays lit while speakerphone is on
Lighted message waiting indicator: Lights when there is new voicemail; visible on the phone chassis above the LCD screen; stays lit until the new voicemail has been processed by the user
5-way navigational buttons: Navigating menus and multimedia applications
4 soft-key buttons: Dynamically present calling options to the user


Network features: Cisco Discovery Protocol, IEEE 802.1p/Q
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)
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; disabled when phone is used in Wi-Fi mode

Volume control: Volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer

Applications:
● Customizable screen saver on phone display (Photo Album)
● Music player (MP3)
● RSS web services
● Cisco MonitorView
● SIP third-party call control for server-based applications
● Lightweight Directory Access Protocol (LDAP) and Cisco XML-based corporate directory support
● Cisco XML services interface (XSI)

Call control and audio features:
● Call hold
● Music on hold
● Call waiting
● Caller ID name and number and outbound caller ID blocking
● Caller ID mapping for incoming calls
● Outbound caller ID blocking
● Call transfer - attended or blind
● Call conferencing - hosted (N-party) or local (3-party)
● Call forwarding - unconditional, no answer, on busy
● Visual voice message waiting indicator (VMWI)
● Shared/bridge line appearance 1
● Call pickup - selective and group 1
● Call park and unpark 1
● Call back on busy
● Call blocking - anonymous and selective
● Do not disturb
● Intercom 1
● Group paging 1
● Extension mobility 1
● Configurable dial/numbering plan support with inter-digit timers - per line
● URL (IP) dialing support
● Distinctive ringing based on calling and called number
● Supplementary services feature activation codes
● Supplementary services announcements codes
● Configurable supplementary services soft keys
● Individual volume setting per audio path (headset/handset/speaker)

Signaling protocol support:
● SPCP
● SIP version 2 (RFC 3261, RFC 2543, RFC 3263, RFC 3264, RFC 3275)
Voice features
● SIP proxy redundancy - dynamic via DNS SRV, A records
● Re-registration with primary SIP proxy server
● SIP support in Network Address Translation (NAT) networks, including simple traversal of User Datagram Protocol (UDP) through NAT (serial tunnel [STUN])
● Codec name assignment
● Voice algorithms:
◦ G.711 (A-law and µ-law)
◦ G.726 (32 kbps)
◦ G.729 AB
◦ G.722, Wideband Audio
● Dynamic payload support
● Adjustable audio frames per packet
● Dual-tone multi-frequency (DTMF): in-band and out-of-band (RFC 2833), SIP INFO (RFC 2976)
● Flexible dial plan support with inter-digit timers
● IP address/Uniform Resource Identifier (URI) dialing support
● Call progress tone generation
● Jitter buffer - adaptive
● Frame loss concealment
● Voice activity detection (VAD) with silence suppression
● Attenuation/gain adjustments
● VMWI via NOTIFY, SUBSCRIBE
● Caller ID support (name and number)

Data features:
● MAC address (IEEE 802.3)
● IPv4 (RFC 791)
● Address Resolution Protocol (ARP)
● 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)
● 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)
● VLAN tagging 802.1p/Q
● Simple Network Time Protocol (SNTP) (RFC 2030)

Security:
● Password-protected system reset to factory default
● Password-protected administrator and user access authority
● HTTPS with factory-installed client certificate
● HTTP digest - encrypted authentication via MD5 (RFC 1321)
● Up to 256-bit Advanced Encryption Standard (AES) encryption
● SIP over TLS for signaling encryption
● AnyConnect SSL VPN
● SRTP for media encryption

Provisioning, administration, and maintenance:
● Web browser administration and configuration via integrated web server
● Automated provisioning and upgrade via HTTPS, HTTP, or Trivial File Transfer Protocol (TFTP)
● Asynchronous notification of upgrade availability via NOTIFY
● Nonintrusive, in-service upgrades
● Report generation and event logging
● Stats in BYE message
● RTP media loopback for quality of service (QoS) monitoring
● Syslog and debug server records - per-line configurable

214 x 212 x 44 mm
0.9 kg
IEEE 802.11b/g (Wi-Fi)



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