Detail overview
Cisco - Small Business Spa 504g Voip Phone (spa504g).
Key Features :
Product Type : Voip Phone
Body Color : Silver, Dark Gray
Body Material : Abs Plastic
Phone Features :
Key Expansion Module Max Qty : 2
Dialer Type : Keypad
Dialer Location : Base
Conference Call Capability : 3-way
Intercom : Yes
Speakerphone : Yes ( Digital Duplex )
Caller Id : Yes
Automatic Redial : Yes
Voice Mail Capability : Yes
Call Waiting : Yes
Call Forwarding : Yes
Call Transfer : Yes
Call Hold : 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
Additional Features : On-hook Dialing, Music On Hold, Built-in Web Server
Ip Telephony :
Main Features : Multiline Support, Multiple Voip Protocol Support, Integrated Ethernet Switch, Power Over Ethernet (poe) Support
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
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
Features : Backlit