Cisco SPA504G

Cisco SPA504G is a four-line Cisco IP phone with a built-in Ethernet switch that supports PoE technology, various VoIP protocols and multi-line lines.

Cisco SPA504G is a four-line Cisco IP phone with a monochrome backlit PID display. The Cisco SPA504G features include caller ID and conference calling. The built-in digital microphone provides excellent sound quality. Supports PoE technology.

Description Characteristics

Manufacturer Cisco Linksys

Model SPA 504G

Phone specifications

Indication Indication of microphone on, indication of waiting for voice message.

Additional features Supports pager calls, music on hold, hands-free dialing.

Phone memory 100 numbers and names

Display Monochrome LCD with backlight.

Display dimensions: 128 x 64 pixels.

IP Telephony

Main properties

support for multi-channel lines;

integrated Ethernet switch;

supports different VoIP protocols;

Network Ethernet ports 2 ports 10/100BASE-T – RJ-45 connector.

VoIP Protocols SIP and SIP 2

Voice codecs and features

G.722, G.711u, G.711a, G.729a;

CNG, VAD.

Lines Supports 4 lines.

IEEE 802.1p, IEEE 802.1Q (VLAN), ToS, DiffServ support.

IP addresses DHCP

Network properties and protocols IP, ARP, TFTP, DNS, TCP, UDP, NAT, HTTP, ICMP.

Power over Ethernet 802.3af PoE standard

General characteristics

Power Supply Power supply is available as an option.

Connectors Handset connector – RJ-9, headset connector – 2.5 mm.

UL Compliant

Expandability Up to 2 Cisco SPA 500S expansion modules can be installed.

Dimensions 214 x 212 x 44 mm.

Weight 0.9 kg

1 year warranty.