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  Cisco SPA525G2
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Cisco SPA525G2

Cisco SPA525G2 IP Phone is designed to improve and simplify communications across your entire company.

From the lobby to the break room, these phones offer enough features for everyone from executives and cubicle workers to staff on your manufacturing floor. Your employees stay productive, and enjoy reliable access to voice and data communications wherever they go, but your costs stay low.

Telephony Features

● Lighted line keys
● Hold key
● Voicemail key
● Menu key
● Lighted mute key
● Lighted headset key
● Lighted speakerphone key
● Lighted message waiting indicator
● Graphical display
● 5-way navigational buttons
● 4 soft-key buttons
● Network features
● Wi-F
● Wi-Fi security
● Ethernet switc
● Volume control
● 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**
● Call pickup-selective and group**
● Call park and unpark**
● Call back on busy
● Call blocking-anonymous and selective
● Do not disturb
● Intercom**
● Group paging**
● Extension mobility**
● Configurable dial/numbering plan support with interdigit 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 each audio path (headset/handset/speaker) **Feature requires support by SIP/SPCP client management server
● Smart Phone Control Protocol (SPCP)
● SIP version

 Voice feature

● SIP proxy redundancy-dynamic via DNS SRV, A records
● Reregistration with primary SIP proxy server
● SIP support in network address translation (NAT) networks (including simple traversal [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 multifrequency (DTMF): in-band and out-of-band (RFC 2833) (SIP INFO)
● Flexible dial plan support with interdigit 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)
● User Datagram Protocol (UDP) (RFC 768)
● Real Time Protocol (RTP) (RFC 1889, 1890)
● Real Time Control Protocol (RTCP) (RFC 1889)
● 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
● SSL VPN
● Secure RTP for media encryptio

Provisioning, administration, and maintenance

● Web browser administration and configuration via integrated web server
● Automated provisioning and upgrade via HTTPS, HTTP, or (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 configurabl


 
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