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Cisco Small Business SPA 504G - VoIP phone - 3-way call capability - SIP, SIP v2, SPCP - multiline - silver, dark gray - for Small Business Pro Unified Communications 320 with 4 FXO, SPA504G **

VoIP phone, Key Expansion Module Max Qty:2, Keypad, Base, 3-way, Intercom:Yes, Yes (digital duplex), Automatic Redial:Yes, Menu Operation:Yes, Programmable Buttons Qty:4, Volume Control:Yes, Ringer Control:Yes

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Overview
General
Product Type:
VoIP phone
Body Color:
Silver, dark gray
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 Type:
Keypad
Dialer Location:
Base
Conference Call Capability:
3-way
Intercom:
Yes
Speakerphone:
Yes (digital duplex)
Automatic Redial:
Yes
Menu Operation:
Yes
Function Buttons:
Conference button, speakerphone button, transfer button, headset button, mute button, hold button, redial button
Programmable Buttons Qty:
4
Volume Control:
Yes
Ringer Control:
Yes
Indicators:
Voice message waiting indicator, speakerphone indicator, headset
Firmware Upgradable:
Yes
Additional Functions:
Call timer, built-in clock, pager call, Intercom, automatic redial
Additional Features:
On-hook dialing, music on hold, built-in web server
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:
Multiline
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
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
Call Log Capacity:
60 numbers
Display
Type:
LCD display - monochrome
Display Location:
Base
Display Resolution:
128 x 64 pixels
Backlit:
Yes
Miscellaneous
Connections:
Headset jack / sub-mini-phone 2.5 mm
Cables Included:
Network cable
Compliant Standards:
UL, C-Tick, CB, FCC Part 15 B, A-Tick
Dimensions & Weight (Base)
Width:
8.4 in
Depth:
1.7 in
Height:
8.3 in
Weight:
2 lbs
Manufacturer Warranty
Service & Support:
Limited warranty - 1 year
Compatibility Information
Designed For:
Cisco Small Business Pro Unified Communications 320 with 4 FXO

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