Cisco SPA502G IP PhoneOne voice lineOne SIP registrationLine status: active line indication, with name and numberMenu-driven user interfaceShared line appearanceSpeakerphoneCall holdMusicon holdCall waitingCaller ID name and numberOutbound caller ID blockingCall transfer: attended and blindThree-waycall conferencingwith local mixingMultiparty conferencing via external conference bridgeAutomatic redial of last calling and last called numbersOn-hook dialingCall pickup: selective and groupCall park and unparkCall swapCall back on busyCall blocking: anonymous and selectiveCall forwarding: unconditional, no answer, on busyHot line and warm line automatic callingCall logs(60 entries each): made, answered, and missed callsRedial from call logsPersonal directory with auto-dial(100 entries)Do not disturbDigits dialed with number auto-completionAnonymous caller blockingUniform Resource Identifier (URI) (IP) dialing support (vanity numbers)On-hook default audio configuration (speakerphone and headset)Multiple ring tonesCalled number with directory name matchingAbility to call number using name: directory matching or via caller IDSubsequent incoming calls show calling name and numberDate and time with support for intelligent daylight savingsCall start time stored in call logsCall timerName and identity (text) displayed at startupDistinctive ringing based on calling and called number10 user-downloadable ring tonesSpeed dialing, eight entriesConfigurable dial/numbering plan supportIntercomGroup pagingNetwork Address Translation (NAT) Traversal, including Simple Traversal of UDP Through NATs (STUN) supportDNS SRV and multiple A records for proxy lookup and proxy redundancySyslog, debug, report generation, and event loggingHighly secure call encrypted voice communications supportBuilt-in web server for administration and configuration with multiple security levelsAutomated 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 defaultsHardware FeaturesPixel-based display: 128 x 64 monochrome LCD graphical display with backlightDedicated illuminated buttons for:Audio mute on/offHeadset on/offSpeakerphoneon/off4-way rocking directional knob for menu navigationVoicemail message waiting indicator (VMWI) lightVoicemail message retrieval buttonDedicated hold buttonSettings button for access to feature, setup, and configuration menusVolume control rocking up/down knob controls handset, headset, speaker, ringerStandard 12-button dialing padHigh-quality handset and cradleBuilt-in high-quality microphone and speakerHeadset jack: 2.5 mmLED test functionTwo Ethernet ports with integratedEthernet switch: 10/100BASE-T RJ-45802.3af-compliantPoEOptional 5 VDC universal (100-240V) switching; power supply is ordered separately (Cisco PA100)Regulatory ComplianceFCC (Part 15, Class B), CE Mark, A-Tick, C-Tick, Telepermit, UL, CBSecurity FeaturesPassword-protected system, preset to factory defaultPassword-protected access to administrator and user-level featuresHTTPS with factory-installed client certificateHTTP digest: encrypted authentication via MD5 (RFC 1321)Up to 256-bit Advanced Encryption Standard (AES) encryptionSIP over Transport Layer Security (TLS)Secure Real-Time Transport Protocol (SRTP)Part Number:SPA502G502G IP PhoneHighlightsFor business orhome office useDependable, Affordable and Feature RichFull-featured 1-line business-classIP phonesupporting Power over Ethernet (PoE)Monochrome backlit display for ease of use, aesthetics, and on-screen applicationsConnects directly to an Internet telephone service provider or to an IP private branch exchange (PBX)Dualswitched Ethernet portsfor connecting a computer behind the phone, reducing cabling costsWideband audio for unsurpassed voice clarity and enhanced speaker qualityEasy installation and highly secure remote provisioning, as well as menu-based and web-based configurationSupports up to twoCisco SPA 500SExpansion Module, adding up to 64 additional buttonsSupports both Session Initiation Protocol (SIP) andSmart Phone Control Protocol(SPCP) with the Cisco Unified Communications 500 Series for Small BusinessComprehensive Interoperability and SIP-Based Feature SetPart of the Cisco Small Business Pro Series, the SIP based Cisco SPA 502G1-Line IP Phonehas 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 502G 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 502G. The Cisco SPA 502G 1-Line IP phone also supports productivity-enhancing features such as VoiceView Express andCisco XMLapplications when used with Cisco Unified Communications500 Series in SPCP mode.Carrier-Grade Security, Provisioning, and ManagementThe Cisco SPA 502G uses standard encryption protocols to perform highly secure remote provisioning and unobtrusive in-servicesoftware upgrades. Remote provisioning tools include detailed performance measurement and troubleshooting features, enabling network providers to deliver high-quality support to their subscribers. Remote provisioning also saves service providers the time and expense of managing, preloading, and reconfiguring customer premises equipment.