Comprehensive interoperability and SIP-based functions

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