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Cisco SPA504G 4-Line IP Phone with 2-Port Switch, PoE and LCD Display

Cisco
$168.74

2 in stock

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Specifications:

  • Body dimensions (W x H x D): 8.42 x 8.35. x 1.73 in. (214 x 212 x 44 mm)
  • Unit weight: 2.00 lb ( 0.9kg)
  • Operating temperature: 32º ~ 104ºF (0º ~ 40ºC)
  • Storage temperature: -4º ~ 158ºF (-20º ~ 70ºC)
  • Operating humidity: 5% to 95% noncondensing
  • Storage humidity: 5% to 95% noncondensing

Data networking:

  • 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)
  • Internet Control Message Protocol (ICMP) (RFC 792)
  • TCP (RFC793)
  • User Datagram Protocol (UDP) (RFC 768)
  • Real-Time Transport 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: Layer 2 quality of service (QoS)
  • Simple Network Time Protocol (SNTP) (RFC 2030)

Voice gateway:

  • SIP version 2 (RFC 3261, 3262, 3263, 3264)
  • SPCP with the Cisco Unified Communications 500 Series
  • 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
  • Dual-tone multifrequency (DTMF), 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
  • Comfort Noise Generation (CNG)
  • Voice activity detection (VAD) with silence suppression
  • Attenuation/gain adjustments
  • Message waiting indicator (MWI) tones
  • VMWI 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
  • Asynchronous notification of upgrade availability via NOTIFY
  • Nonintrusive in-service upgrades
  • Report generation and event logging
  • Statistics transmitted in BYE message
  • Syslog and debug server records: configurable per line

Power supply:

  • Power supply is optional and is purchased separately
  • Models: Cisco PA100-NA, PA100-EU, PA100-UK, PA100-AU
  • DC output voltage: +5 VDC at 2.0A maximum
  • Switching power adapter: 100-240V 50-60 Hz AC input

Physical interfaces:

  • Two 10/100BASE-T RJ-45 Ethernet ports (IEEE 802.3)
  • Handset: RJ-9 connector
  • Built-in speakerphone and microphone
  • Headset 2.5-mm port

Indicator lights/LEDs:

  • Speakerphone on/off button with LED
  • Headset on/off button with LED
  • Mute button with LED
  • Message waiting LED
SPA504G