Cisco SPA514G Datasheet download pdf (Page 5)

Specifications

Table 1 gives specifications for the Cisco SPA514G 4-Line IP Phone with 2-Port Gigabit Ethernet Switch, PoE and

LCD Display.

Table 1. Specifications for the Cisco SPA514G 4-Line IP Phone with 2-Port Gigabit Ethernet Switch, PoE, and LCD Display

Note: Many features are programmable within a defined range or list of options. Please see the SPA Administration

Guide for details. The target configuration profile is uploaded to the SPA514G at the time of provisioning.

Description Specification

Data networking

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MAC address (IEEE 802.3)

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IPv4 – Internet Protocol v4 (RFC 791)

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ARP – Address Resolution Protocol

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DNS – A record (RFC 1706), SRV record (RFC 2782)

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DHCP Client – Dynamic Host Configuration Protocol (RFC 2131)

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ICMP – Internet Control Message Protocol (RFC 792)

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TCP – Transmission Control Protocol (RFC793)

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UDP – User Datagram Protocol (RFC 768)

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RTP – Real Time Protocol (RFC 1889) (RFC 1890)

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RTCP – Real Time Control Protocol (RFC 1889)

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DiffServ – Differentiated Services (RFC 2475)

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ToS – Type of Service(RFC 791, 1349)

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VLAN tagging 802.1p/Q – Layer 2 quality of service (QoS)

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SNTP – Simple Network Time Protocol (RFC 2030)

Voice gateway

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SIP v2 – Session Initiation Protocol version 2 (RFC 3261, 3262, 3263, 3264)

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SPCP – Smart Phone Control Protocol with UC500

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SIP proxy redundancy – dynamic via DNS SRV, A records

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Reregistration with primary SIP proxy server

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SIP support in NAT networks (including STUN)

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SIPFrag (RFC 3420)

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Secure (encrypted) calling via SRTP

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Codec name assignment

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Voice algorithms:

G.711 (A-law and µ-law)

G.726 (16/24/32/40 kbps)

G.729 A

G.722

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Dynamic payload support

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Adjustable audio frames per packet

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DTMF – Dual-tone multifrequency, in-band and out-of-band (RFC 2833) (SIP INFO)

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Flexible dial plan support with interdigit timers

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IP address/URI dialing support

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Call progress tone generation

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Jitter buffer: adaptive

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Frame loss concealment

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VAD – Voice activity detection with silence suppression

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Attenuation/gain adjustments

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MWI – Message waiting indicator tones

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VMWI – Voicemail waiting indicator, via NOTIFY, SUBSCRIBE

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Caller ID support (name and number)

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Third-party call control (RFC 3725)

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Cisco SPA514G Datasheet Page 5

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