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
