Cisco SPA504G 4-Line IP Phone W/2-Port Switch, PoE & LCD Display
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SKU: SPA504G
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Cisco SPA504G 4-Line IP Phone W/2-Port Switch, PoE & LCD Display

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Quick Overview

The Cisco SPA504G is Cisco's 4-line business desktop IP Phone within the Cisco Small Business Pro product family.

What is the Cisco SPA504G 4-Line IP Phone W/2-Port Switch, PoE & LCD Display?

Highlights

• For business or home office use

• Full-featured 4-line business-class IP phone supporting Power over Ethernet (PoE)

• Monochrome backlit display for ease of use, aesthetics, and on-screen applications

•  Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX)

• Dual switched Ethernet ports for connecting a computer behind the phone, reducing cabling costs

• Wideband audio for unsurpassed voice clarity and enhanced speaker quality

• Easy installation and highly secure remote provisioning, as well as menu-based and web-based configuration

• Supports up to two Cisco® SPA500S Expansion Module, adding up to 64 additional buttons*

• Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco Unified Communications 500 Series for Small Business

Features

Technical Details

Specifications

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

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

Warranty Information:

  • Manufacturer: TelcoDepot.com
Cisco SPA504G 4-Line IP Phone W/2-Port Switch, PoE & LCD Display

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