FEATURES- IP Phone
       Durable, Affordable, Feature Rich IP Phone for the Home Office and
        Business!
       The SPA901 VoIP Phone is designed for particularly cost sensitive 
        applications in demanding environments. Perfect for residential, 
        business, and industrial settings using a hosted IP telephony 
        service, a IP PBX, or a large scale IP Centrex deployment. The 
        SPA901 leverages industry leading VoIP technology from Linksys to 
        deliver a dependable high quality IP Phone that is unparalleled in 
        value and support. 
       Based on the SIP standard, the SPA901 has been tested to ensure 
        comprehensive interoperability with equipment from 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 
        SPA901 addresses the requirements of traditional business users 
        while leveraging 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 SPA901. 
       The SPA901 uses standard encryption protocols to provide secure 
        remote provisioning and unobtrusive in-service software upgrades. 
        Linksys secure 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 
        hassle and expense of managing, pre-loading, and re-configuring 
        customer premise equipment (CPE). 
    Includes SPA901 IP Phone and Handset, 26" Handset Cord, 5v Power 
      Adapter with 6 ft. Cord, 6 ft. RJ45 Ethernet Cable, Quick 
      Installation Guide.
* Small, affordable, single line business class IP Phone.
* Connect directly to an Internet telephone service provider or connect to 
  an IP PBX.
* Wall mount or table top phone 
* Easy installation with secure remote provisioning. Menu based and web 
  based configuration. 
     
  -- SPECIFICATIONs ------------------------------------
TELEPHONE FUNCTIONS-
               One Service Provider Line
               Two Call Appearances Accessed Via Flash Key or Hook-Flash
               Shared Line Appearance (requires support by call server)
               Line Status Indicator
               Call Hold
               Music on Hold (requires support by call server)
               Call Waiting
               Outbound Caller ID Blocking
               Call Transfer - Attended and Blind
               Three Way Conferencing with Local Mixing
               Multi-Party Call Conferencing via External Conference Bridge 
                 (requires support by call server).
               Call Pick Up - Selective and Group (requires support by call 
                 server).
               Call Park and UnPark (requires support by call server)
               Call Back on Busy
               Call Blocking - Anonymous and Selective
               Call Forwarding - Unconditional, No Answer, On Busy
               Call Return - Redial Last Caller
               Hot Line and Warm Line Automatic Calling
               Call Logs (60 entries each): Made, Answered, and Missed 
                 Calls. Accessed via HTTP Server.
               Redial Last Called Number
               Do Not Disturb (callers hear line busy tone)
               Block Anonymous Incoming Calls
               URI (IP) Dialing Support (Vanity Numbers)
               Built-in Web Server for Administration and Configuration, 
                 with User and Admin Access Levels.
               Built-in Interactive Voice Response system to check status 
                 and change configuration.
               Date and Time with Intelligent Daylight Savings Support
               Call Start Time Stored in Call Logs
               Distinctive Ringing
               Ten User Downloadable Ring Tones - Ring Tone Generator Free 
                 from www.linksys.com
               Speed Dial (8 entries)
               Group Paging (outbound only) (requires support by call 
                 server).
               Intercom (outbound only) (requires support by call server)
               Set Preferred CODEC, Per Call, All Calls
               Configurable Dial/Numbering Plan Support
               Ringer and Handset Volume Controls
               Handset Input Gain Adjustment
               DNS SRV and Multiple A Records for Proxy Lookup and Proxy 
                 Redundancy.
               Syslog, Debug, Report Generation, and Event Logging
               Secure Call Encrypted Voice Communication Support
               NAT Traversal
               Automated Provisioning, Multiple Methods. Up to 256-Bit 
                 Encryption: (HTTP, HTTPS, TFTP).
               Support Linksys Voice System Automatic Configuration
               Optionally Require Admin Password to Reset Unit to factory 
                 defaults.
HARDWARE FEATURES-
               Voice Mail Message Waiting Indicator Light
               Redial Button
               Dedicated Flash Button
               Volume Control Button Cycles Through Volume Levels. Controls 
                 Ringer and Handset Volume.
               Standard 12-Button Dialing Pad
               High Quality Handset and Cradle
               Ethernet LAN -- 10BaseT RJ-45
               5 volt DC Universal (100-240 Volt) Switching Power Adaptor
DATA NETWORKING-
               MAC Address (IEEEE-802.3)
               IPv4 - Internet Protocol v4 (RFC 791) upgradeable to v6 (RFC 
                 1883).
               ARP - Address Resolution Protocol
               DNS - A Record (RFC 1706), SRV Record (RFC 2782)
               DHCP Client - Dynamic Host Configuration Protocol (RFC 2131)
               ICMP - Internet Control Message Protocol (RFC 792)
               TCP - Transmission Control Protocol (RFC 793)
               UDP - User Datagram Protocol (RFC 768)
               RTP - Real Time Protocol (RFC 1889)(RFC 1890)
               RTCP - Real Time Control Protocol (RFC 1889)
               DiffServ (RFC 2475), Type of Service - TOS (RFC 791/1349)
               VLAN Tagging 802.1p/q - Layer 2 QoS
               SNTP - Simple Network Time Protocol (RFC 2030)
VOICE GATEWAY- SIPv2 - Session Initiation Protocol v2 (RFC 3261, 3262, 
                 3263, 3264).
               SIP Proxy Redundancy - Dynamic via DNS SRV, A Records
               Re-registration with Primary SIP Proxy Server
               SIP Support in Network Address Translation Network - NAT 
                 (including STUN).
               SIPFrag (RFC 3420)
               Secure (Encyrpted) Calling via Pre-Standard implementation 
                 of Secure RTP.
               Codec Name Assignment
               Voice Algorithms: G.711 (A-law and mu-law)
                                 G.726 (16/24/32/40 kbps)
                                 G.729A
                                 G.723.1 (6.3 kbps, 5.3 kbps)
               Dynamic Payload Support
               Adjustable audio frames per packet
               DTMF: In-band & Out-of-Band (RFC 2833) (SIP INFO)
               Flexible Dial Plan Support with Configurable InterDigit 
                 Timers.
               IP Address/URI Dialing Support
               Call Progress Tone Generation
               Jitter Buffer - Adaptive
               Frame Loss Concealment
               VAD - Voice Activity Detection with Silence Suppression
               Attentuation/Cain/Adjustments
               MWI- Message Waiting Indicator tones
               VMWI - Visual Message Waiting Indicator - Via NOTIFY, 
                 SUBSCRIBE.
               Third Party Call Control (RFC 3725)
SECURITY     - Password protected system reset 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 AES Encryption
PROVISIONING, ADMINISTRATION & MAINTENANCE-
               Integrated Web Server Provides Web Based Administration and 
                 Configuration.
               Integrated Voice Response system to report and modify 
                 configuration parameters.
               Automated Provisioning and Upgrade via HTTPS, HTTP, TFTP
               Asynchronous Notification of Upgrade Availability via NOTIFY
               Non-intrusive, In-Service Upgrades
               Report Generation and Event Logging
               Statistics Transmitted in BYE Message
               Syslog and Debug Server Records - Configurable Per Line
DATA INTERFACES-
               (1) 10BaseT/RJ45 port (IEEE 802.3)
               (1) Handset: RJ-7 connector
INDICATORS   - LEDs for Status, Message Waiting, Flash Button, Test
APPROVALS    - FCC A, CE
POWER SUPPLY - Switching Type (100-240v) Automatic
               DC Input Voltage : +5 Volts DC at 2.0 Amps Maximum
               Power Consumption: 5 Watts
               Power Adapter    : 100-240v, 50/60Hz (26-34VA) AC Input
DIMENSIONS   - 4.13"w x 3.75"h x 8.38"d          WT.- 1.70 lbs.

Linksys VoIP Telephone.