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Part of the Cisco Small Business Series, the SIP-based Cisco SPA 504G 4-Line IP Phone has been tested to ensure comprehensive interoperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to quickly roll out competitive, feature-rich services to their customers. With hundreds of features and configurable service parameters, the Cisco SPA 504G addresses the requirements of traditional business users while building on the advantages of IP telephony. Features such as easy station moves and shared line appearances (across local and geographically dispersed locations) are just some of the many advantages of the SPA 504G.
Main Specifications
- Product Type : VoIP phone
- Main Features : Multiline support, multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support
- VoIP Protocols : SIP, SIP v2, SPCP
- UPC : 778890035661
- Voice Codecs : G.722, G.729a, G.711u, G.711a, G.726
- Lines Supported : 4 lines
- Intercom : Yes
- Speakerphone : Yes ( digital duplex )
- Caller ID : Yes
- Voice Mail Capability : Yes
- Automatic Redial : Yes
- Display : LCD display - monochrome
- Display Features : Backlit
- Network Ports Qty : 2 x Ethernet 10Base-T/100Base-TX
- Body Color : Silver, dark gray
- Key Expansion Module Max Qty : 2
- Dialer Type : Keypad2
- Dialer Location : Base2
- Conference Call Capability : 3-way2
- Intercom : Yes2
- Speakerphone : Yes ( digital duplex )2
- Caller ID : Yes2
- Automatic Redial : Yes2
- Voice Mail Capability : Yes2
- Call Waiting : Yes2
- Call Forwarding : Yes2
- Call Transfer : Yes2
- Call Hold : Yes2
- Menu Operation : Yes2
- Function Buttons : Conference button, speakerphone button, transfer button, headset button , mute button, hold button, redial button2
- Programmable Buttons Qty : 42
- Volume Control : Yes2
- Ringer Control : Yes2
- Indicators : Voice message waiting indicator, speakerphone indicator, headset2
- Firmware Upgradable : Yes2
- Additional Functions : Call timer, built-in clock, pager call2
- Additional Features : On-hook dialing, music on hold, built-in web server2
- 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 Directory Capacity : 100 names & numbers
- Call Log Capacity : 60 numbers
- Type : LCD display - monochrome
- Display Location : Base
- Display Resolution : 128 x 64 pixels
- Features : Backlit
- Connections : 1 x headset jack / sub-mini-phone 2.5 mm
- Cables Included : Network cable
- Compliant Standards : CE, UL, C-Tick, CB, FCC Part 15 B, A-Tick
- Width : 8.4 in
- Depth : 1.7 in
- Height : 8.3 in
- Weight : 2 lbs