Linksys SPA-921 IP Telephone

Linksys SPA-921 IP Telephone

Stylish and functional in design, the SPA-921 IP Phone is ideal for a residence or business using a hosted IP telephony service, an IP PBX, or a large scale IP Centrex deployment. The SPA-921 leverages industry leading VoIP technology from Linksys to deliver an upgradeable high quality IP phone that is unparalleled in features, value, and support. Standard features on the SPA921 include a high resolution graphical display, speakerphone, and a 2.5 mm head-set port.

The SPA921 supports one line with two call appearances and provides support for three way conferencing, attended call transfer, and placing a call on hold to answer an incoming call. The line can be configured as a unique phone number (or extension), or can be configured to share a number that is assigned to multiple phones

Features:

• Full featured one-line business class IP phone
  Connect directly to an Internet Telephone Service Provider or connect to an IP PBX
  Speakerphone. Caller ID. Call Hold, Transfer, Conferencing,and more
  Easy installation with secure remote provisioning. Menu based and web based configuration.
  Comprehensive Interoperability and SIP Based Feature Set

Based on the SIP standard, the SPA-921 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 undreds of features and configurable sevice parameters, the SPA-921 addresses the requirements of traditional business users while leveraging the advantages of IP telephony. Features such as easy station moves, presence,and shared line appearances (across local and geographically dispersed locations) are just some of the many advantages of the SPA921.

Carrier-Grade Security, Provisioning, and Management

The SPA921 uses standard encryption protocols to provide secure remote 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, preloading, and re-configuring customer premise equipment (CPE).

Package Contents

• SPA-921 IP Phone, Handset, and Stand
  Handset Cord - 56 cm (26 in)
  5v Power Adapter - 1.8 m (6 ft) Cord
  RJ45 Ethernet Cable - 1.8 m (6 ft) Cord
  Quick Installation Guide

Warranty

1 Years Manufacturers Warranty

Telephony Features

• One Voice Line with Two Call Appearances
  Backlit Pixel Based Display: 128x64 Monochrome Graphical Liquid Crystal Display (LCD)
  Line Status - Active Line Indication, Name and Number
  Menu Driven User Interface
  Shared Line Appearance **
  Speakerphone
  Call Hold
  Music on Hold **
  Call Waiting
  Caller ID Name and Number and Outbound Caller ID Blocking
  Outbound Caller ID Blocking
  Call Transfer - Attended and Blind
  Three Way Call Conferencing with Local Mixing
  Connects to External Conference Bridge for Multi-party Conferencing
  Automatic Redial of Last Calling and Last Called Numbers
  On-Hook Dialing
  Call Pick Up - 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)
  Do Not Disturb (callers hear line busy tone)
  Digits Dialed with Number Auto-Completion
  Anonymous Caller Blocking
  URI (IP) Dialing 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
  Call Number using Name - Directory Matching or via Caller ID
  Subsequent Incoming Calls with Calling Name and Number
  Date and Time with Intelligent Daylight Savings Support
  Call Duration and Start Time Stored in Call Logs
  Call Timer
  Name and Identity (Text) Displayed at Start Up
  Distinctive Ringing Based on Calling and Called Number
  Ten User Downloadable Ring Tones - Ring Tone Generator Free from http://www.linksys.com/
  Speed Dialing, Eight Entries
  Configurable Dial/Numbering Plan Support
  Intercom **
  Group Paging **
  NAT Traversal, including STUN Support
  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
  Built-in Web Server for Administration and Configuration with Multiple Security Levels
  Automated Remote Provisioning, Multiple Methods. Up to 256 Bit Encryption: (HTTP, HTTPS, TFTP)
  Optionally Require Admin Password to Reset Unit to Factory Defaults
• ** Feature requires support by call server
• Hardware Features
• Pixel Based Display: 128x64 Monochrome LCD Graphical Display
  Dedicated Illuminated Buttons for:
  Audio Mute On/Off
  Headset On/Off
  Speakerphone On/Off
  Four Soft Key Buttons
  Four Way Rocking Directional Knob for Menu Navigation
  Voice Mail Message Waiting Indicator Light
  Voice Mail Message Retrieval Button
  Dedicated Hold Button
  Settings Button for Access to Feature, Set-up, 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 - 2.5 millimeter
  Ethernet LAN - 10BaseT RJ-45
  5 volt DC Universal (100-240 Volt) Switching Power Adaptor
  LED Test Function

Data Networking

• MAC Address (IEEE 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 (RFC792)
  TCP - Transmission Control Protocol (RFC793)
  UDP - User Datagram Protocol (RFC768)
  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 Version 2 (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 Networks - NAT (including STUN)
  SIPFrag (RFC 3420)
  Secure (Encrypted) Calling via Pre-Standard Implementation of Secure RTP
  Codec Name Assignment
  Voice Algorithms:
        - G.711 (A-law and μ-law)
        - G.726 (16/24/32/40 kbps) vo - G.729 A
        - G.723.1 (6.3 kbps, 5.3 kbps)
  Dynamic Payload Support
  Adjustable Audio Frames Per Packet
  DTMF: In-band and Out-of-Band (RFC 2833) (SIP INFO)
  Flexible Dial Plan Support with Inter-Digit Timers
  IP Address / URI Dialing Support
  Call Progress Tone Generation
  Jitter Buffer - Adaptive
  Frame Loss Concealment
  VAD - Voice Activity Detection with Silence Suppression
  Attenuation / Gain Adjustments
  MWI - Message Waiting Indicator Tones
  VMWI - Voice Mail Waiting Indicator - Via NOTIFY, SUBSCRIBE
  Caller ID Support (Name and Number)
  Third Party Call Control (RFC 3725)

Provisioning, Administration & Maintenance

• Integrated Web Server Provides Web Based Administration and Configuration
  Telephone Key Pad Configuration via Display Menu / Navigation
  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

Physical Interfaces

• 1 10baseT RJ-45 Ethernet Port (IEEE 802.3)
  Handset: RJ-7 Connector
  Built-in Speakerphone and Microphone
  Headset 2.5 mm Port

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, 1.8m (6 ft) cord

Indicator Lights/LED

• Four (4) Call Appearance/Line Buttons with Associated Tricolor LED
  Line LED State Indication: Active, Idle, On Hold, Unregistered Speakerphone On/Off Button with LED
  Headset On/Off Button with LED
  Mute Button with LED
  Message Waiting Indicator LED
  Voicemail Message Retrieval Button
  Hold Button
  LED Test Function