Cisco SPA504G IP Phone, 4 Lines, 2 Ethernet Ports, PoE

Cisco SPA504G

The Cisco SPA504G IP Phone is designed to improve and simplify communications across your entire company. From the office to the meeting room, a Cisco SPA504G IP Phone offers enough features for everyone from executives and office workers to staff on your manufacturing floor. Your employees stay productive, and enjoy reliable access to voice and data communications wherever they go, while your costs stay low.

Key Features

  • Full-featured business-class IP phone supporting Power over Ethernet (PoE)
  • Monochrome backlit display for ease of use, aesthetics, and onscreen applications
  • Connects directly to a hosted IP telephony service or an IP private branch exchange (PBX)
  • 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 up to two Cisco SPA500S 32-Button Attendant Consoles, adding up to 64 additional buttons
  • Supports both Session Initiation Protocol (SIP) for Cisco SPA9000, open source, and hosted telephony solutions and Smart Phone Control Protocol (SPCP) for Cisco Unified Communications 500 Series for Small Business
  • Play back and view personal MP3 files and photos through on-phone application

Cisco SPA504G


Features ·         Four voice lines

·         Four Independent SIP Registrations*

·         Line status: active line indication, with name and number

·         Menu-driven user interface

·         Shared line appearance**

·         Speakerphone

·         Call hold

·         Music on 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

·         On-hook dialling

·         Call pickup: selective and group**

·         Call park and unpark**

·         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

·         Personal directory with auto-dial (100 entries)

·         Digits dialled with number auto-completion

·         Anonymous caller blocking

·         Uniform Resource Identifier (URI) (IP) dialling support (vanity numbers)

·         On-hook default audio configuration (speakerphone and headset)

·         Multiple ring tones with selectable ring tone per line

·         Called number with directory name matching

·         Ability to call number using name: directory matching or via caller ID

·         Subsequent incoming calls show calling name and number

·         Date and time with support for intelligent daylight savings

·         Call start time stored in call logs

·         Call timer

·         Name and identity (text) displayed at start-up

·         Distinctive ringing based on calling and called number

·         10 user-downloadable ring tones

·         Speed dialling, eight entries

·         Configurable dial/numbering plan support

·         Group paging

·         Network Address Translation (NAT) Traversal, including Simple Traversal of UDP Through NATs (STUN) support

·         DNS SRV and multiple A records for proxy lookup and proxy redundancy

·         Syslog, debug, report generation, and event logging

·         Highly secure call encrypted voice communications support

·         Built-in web server for administration and configuration with multiple security levels

·         Automated remote provisioning, multiple methods; up to 256-bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP])

·         Option to require administrator password to reset unit to factory defaults


Hardware Features ·         Pixel-based display: 128 x 64 monochrome LCD graphical display with backlight

·         Dedicated illuminated buttons for:

–          Audio mute on/off

–          Headset on/off

–          Speakerphone on/off

·         4-way rocking directional knob for menu navigation

·         Voicemail message waiting indicator (VMWI) light

·         Voicemail message retrieval button

·         Dedicated hold button

·         Settings button for access to feature, setup, and configuration menus

·         Volume control rocking up/down knob controls handset, headset, speaker, ringer

·         Standard 12-button dialing pad

·         High-quality handset and cradle

·         Built-in high-quality microphone and speaker

·         Headset jack: 25 mm

·         LED test function

·         Two Ethernet ports with integrated Ethernet switch: 10/100BASE-T RJ-45

·         802.3af compliant PoE

·         Optional 5 VDC universal (100-240V) switching


Regulatory Compliance ·         FCC (Part 15, Class B), CE Mark, A-Tick, C-Tick, Telepermit, UL, CB
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)