Cisco SPA 504G
Highlights
For use in companies and in home offices
High-performance 4-line, enterprise-class IP phone that supports Power-over-Ethernet (PoE)
Illuminated black and white display for ease of use, aesthetics and on-screen applications
Direct connection to an Internet telephone service provider or an IP-based telephone system
Dual-circuit Ethernet ports for connecting a computer behind the phone, reducing wiring costs
Broadband audio for unmatched voice clarity and improved speaker quality
Easy installation and remote provision with maximum security as well as menu and web-based configuration
Supports up to two Cisco® SPA 500S expansion modules, adding up to 64 additional buttons *
Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the 500 series from Cisco Unified Communications for small and medium businesses
Comprehensive interoperability and SIP-based functions
As part of the Cisco Small Business Pro Series, the SIP-based Cisco SPA 504G 4-line IP phone (Figure 1) has been tested to ensure comprehensive interoperability with devices from leading providers of VoIP infrastructure, allowing service providers to quickly deliver competitive services with large scale Can implement functionality for their customers.
With hundreds of functions and configurable service parameters, the Cisco SPA 504G fulfills the requirements of conventional companies while building on the advantages of IP telephony. Functions such as simple transmitter relocations and shared line assignments (at local and geographically distributed locations) are just a few of the many advantages of the SPA 504G.
The Cisco SPA 504G 4-line IP phone also supports productivity enhancement features such as VoiceView Express and Cisco XML applications when used with the Cisco Unified Communications 500 Series in SPCP mode call communications.
Security, deployment and management of the carrier class
The Cisco SPA 504G uses standard encryption protocols for highly secure remote deployment and trouble-free in-service software upgrades. Remote deployment tools include detailed performance and troubleshooting features so network providers can provide the highest quality support to their subscribers. Remote provisioning also saves service providers time and money when managing, preloading and reconfiguring equipment on site
of the customer.
Telephone functions
Four voice lines
Four independent SIP registrations *
Line status: Display of active lines with name and number
Menu-driven user interface
Shared line seizure **
Speakerphone
Hold calls
Music on hold **
Call waiting
ID name and number of the caller
Suppress the outgoing caller ID
Put through: with or without announcement
Three-way conference with local mixing
Conference call with several participants via external conference bridge
Automatic redial of the last caller and the last called number
Dial on-hook
Accepting selected calls / calls within the group **
Parking and unparking calls **
Toggle between calls
Call back on busy signal
Block anonymous and selected numbers
Call forwarding: always, if calls are not answered, if the signal is busy
Automatic calls and automatic calls with a time delay
Call logs (60 entries each): outgoing, accepted and missed calls
Redial from call logs
Personal phone book with automatic number dialing (100 entries)
Turn off the ringer
Dialing with automatic completion of the number
Block anonymous callers
Support of the URI (IP) dialing process (letter dialing)
Standard audio configuration with the handset on-hook (hands-free system and headset)
Multiple ringtones with selectable ringtones per line
Phonebook name comparison for dialed numbers
Dial the number using the name: Phonebook name comparison or caller ID
Consecutive incoming calls with the caller's name and number
Date and time with time change service
Save the call start time in call logs
Clock for call duration
Display of name and identity (text) at start
Specific ring tone depending on the caller and the number dialed
Ten user-downloadable ringtones
Speed dial, eight entries
Support of a configurable dialing / numbering plan
Intercom **
Group paging
Network Address Translation (NAT) Traversal, including support for Simple Traversal of UDP Through NATs (STUN)
DNS SRV and several A entries for proxy search and proxy redundancy
Syslog, troubleshooting, reporting and logging
Support for highly secure voice communication over encrypted calls
Integrated web server for administration and configuration at several security levels
Automated deployment, various methods; Up to 256-bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP])
Option to request the administrator password to reset the device to the factory default values
Hardware features
Pixel-based display: graphic LCD black and white display with lighting (128 x 64)
Special illuminated buttons for:
- Mute on / off
--Headset on / off
- Handsfree on / off
Four direction button for menu navigation
Voicemail Message Viewer (VMWI)
Voicemail messaging button
Special hold button
Setting button for access to the function, setup and configuration menu
Volume button (up / down) for controlling the handset, headset, loudspeaker, ringer
Standard keypad with twelve buttons
High quality handset and holder
High quality integrated microphone and speaker
Headset socket: 2.5 mm
LED test function
Two Ethernet ports with an integrated Ethernet switch: 10 / 100BASE-T RJ-45
802.3af compliant PoE