Cisco Small Business SPA 504G - VoIP phone

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IP Telephony

Main Features	Multiple VoIP protocol support, integrated Ethernet switch
VoIP	Yes
VoIP Protocols	SIP, SIP v2, SPCP
Voice Codecs	G.722, G.729a, G.711u, G.711a, G.726
Lines Supported	4 lines
Quality of Service	IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS)
IP Address Assignment	DHCP
Security	256-bit AES
Power Over Ethernet (PoE) Support	Yes
Network Protocols	IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP
Network Ports Qty	2 x Ethernet 10Base-T/100Base-TX
Voice Features	Comfort noise generation (CNG), voice activity detection (VAD), HD Voice
Network Features	Network Address Translation (NAT)

Phone Memory

Phone Directory Capacity

100 names & numbers

Miscellaneous

Connections	Headset jack / sub-mini-phone 2.5 mm
Cables Included	Network cable
Pricing Type	Remanufactured

Dimensions & Weight (Base)

Manufacturer Warranty

Service & Support

Limited warranty - 1 year

General

Product Type	VoIP phone
Body Material	ABS plastic

Phone Features

Call Services	Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold
Key Expansion Module Max Qty	2
Dialer Location	Base
Conference Call Capability	3-way
Speakerphone	Yes
Volume Control	Yes
Ring Tones	10
Indicators	Voice message waiting indicator, speakerphone indicator, headset, mute indicator
Additional Functions	Call timer, built-in clock, pager call, Intercom, automatic redial

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