The Cisco SPA 504G is a 4-line desktop IP phone with display, 802.3af Power over Ethernet (PoE), and PC port. It includes a full-duplex speakerphone with wideband audio capability. HIGHLIGHTS For business or home office use Full-featured 4-line business-class IP phone supporting Power over Ethernet (PoE) Monochrome backlit display for ease of use, aesthetics, and on-screen applications Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX) Dual switched Ethernet ports for connecting a computer behind the phone, reducing cabling costs Wideband audio for unsurpassed voice clarity and enhanced speaker quality Easy installation and highly secure remote provisioning, as well as menu-based and web-based configuration Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the user's Cisco Unified Communications 500 Series for Small Busines
| Product Information |
| PRODUCT |
| Brand Name | Cisco |
| Manufacturer Web Site | http://www.cisco.com/ |
| Product Type | IP Phone |
| Product Model | SPA504G |
| DISPLAY FEATURES |
| Display Type | Monochrome backlit display |
| Display Resolution | 128 x 64 |
| LCD Type | LCD |
| PHONE FEATURES |
| No. of Phone Lines | 4 |
| Button Type #1 | Dedicated Hold Button |
| Button Type #2 | Audio mute on/off |
| Button Type #3 | Headset on/off |
| Button Type #4 | Speakerphone on/off |
| Button Type #5 | Settings button |
| Ringtone Type | 10 User-Downloadable |
| Codec Support #1 | G.711a |
| Codec Support #2 | G.726 |
| Codec Support #3 | G.729ab |
| Codec Support #4 | G.722 |
| Codec Support #5 | G.711 |
| Signaling Protocol Support #1 | ICMP |
| Signaling Protocol Support #2 | RTP |
| Signaling Protocol Support #3 | RTCP |
| Signaling Protocol Support #4 | DHCP |
| Signaling Protocol Support #5 | ARP |
| Interface Type #1 | 1 x RJ-45 |
| Interface Type #2 | 1 x RJ-45 |
| Interface Type #3 | 1 x RJ-9 |
| Interface Type #4 | 1 x 2.5 mm jack |
| SWITCH FEATURES |
| Switch Type | 10/100BASE-T Ethernet |
| No. of Port | 2 |
| POWER FEATURES |
| PoE Supported | PoE |
| DIMENSIONS |
| Depth (mm) | 44 |
| Height (mm) | 212 |
| Width (mm) | 214 |
| Weight (Grams) | 900 |
| OTHER FEATURES |
| Color | Black |
| Security | SECURITY FEATURES:
Password-protected system, preset to factory default
Password-protected access to administrator and user-level features
HTTPS with factory-installed client certificate
HTTP digest: encrypted authentication via MD5 (RFC 1321)
Up to 256-bit Advanced Encryption Standard (AES) encryption
SIP over Transport Layer Security (TLS)
Secure Real-Time Transport Protocol (SRTP) |
| Network Features | DATA NETWORKING: MAC address (IEEE 802.3)
IPv4 (RFC 791)
Address Resolution Protocol (ARP)
DNS: A record (RFC 1706), SRV record (RFC 2782)
Dynamic Host Configuration Protocol (DHCP) client (RFC 2131)
Internet Control Message Protocol (ICMP) (RFC 792)
TCP (RFC793)
User Datagram Protocol (UDP) (RFC 768)
Real-Time Transport Protocol (RTP) (RFC 1889, 1890)
Real-Time Control Protocol (RTCP) (RFC 1889)
Differentiated Services (DiffServ) (RFC 2475)
Type of service (ToS) (RFC 791, 1349)
VLAN tagging 802.1p/Q: Layer 2 quality of service (QoS)
Simple Network Time Protocol (SNTP) (RFC 2030) |
| Voice Features | VOICE GATEWAY:
SIP version 2 (RFC 3261, 3262, 3263, 3264)
SPCP with the Cisco Unified Communications 500 Series
SIP proxy redundancy: dynamic via DNS SRV, A records
Reregistration with primary SIP proxy server
SIP support in NAT networks (including STUN)
SIPFrag (RFC 3420)
Secure (encrypted) calling via SRTP
Codec name assignment
Voice algorithms:
G.711 (A-law and -law)
G.726 (16/24/32/40 kbps)
G.729 A
G.722
Dynamic payload support
Adjustable audio frames per packet
Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO)
Flexible dial plan support with interdigit timers
IP address/URI dialing support
Call progress tone generation
Jitter buffer: adaptive
Frame loss concealment
Comfort Noise Generation (CNG)
Voice activity detection (VAD) with silence suppression
Attenuation/gain adjustments
Message waiting indicator (MWI) tones
VMWI via NOTIFY, SUBSCRIBE
Caller ID support (name and number)
Third-party call control (RFC 3725) |
| Operating Temperature | 0 to 40?C |
| Packaged Quantity | 1 |
| Compatibility | The SPA 504G supports the following with UC 500.
WebEx PhoneConnect
Time Card View
Live Record / Live Replay,
Single Number Reach
VoiceView Express
HEADSETS SUPPORTED:
The SPA 504G has a 2.5-mm standard 4-segment phone jack.
It supports most universal 2.5-mm wired headsets
(non Nokia versions) such as the Jabra C250/C500
and the Plantronics MX250 |
| Package Contents | Cisco SPA504G 4-Line IP phone, handset, and stand
Handset cord
RJ-45 Ethernet cable
Quick-Start Guide
CD |
| Other Features | TELEPHONY FEATURES
Four voice lines
Line status: active line indication, with name and number
Menu-driven user interface
Speakerphone
Call hold
Call waiting
Caller ID name and number
Outbound caller ID blocking
Call transfer: attended and blind
Three-way call conferencing with local mixing
Multiparty conferencing via external conference bridge
Automatic redial of last calling and last called numbers
Call swap,, Call back on busy, , Call blocking: anonymous and selective
Call forwarding: unconditional, no answer, on busy
Hot line and warm line automatic calling
Call logs (60 entries each): made, answered, and missed calls
Redial from call logs
INDICATOR LIGHTS/LEDs
Speakerphone on/off button with LED
Headset on/off button with LED
Mute button with LED
Message waiting LED |
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