Linksys SPA-942 IP Telephone

The new Linksys SPA-942 is a functionally powerful, easy to use business phone, featuring comprehensive interoperability and a secure mass deployment capability. Standard features on the SPA-942 include two active lines, dual switched Ethernet ports, Power-over-Ethernet, a high resolution graphical display, a full duplex speaker-phone and a 2.5mm head-set port.

The SPA-942 is an affordable, business class telephone which can be easily configured as a two line phone. With a simple software update the SPA-942 is upgradeable to four lines. Each line can be independently configured to use a unique phone number (or extension), or can be configured to use a shared number that is assigned to multiple phones.

The SPA-942 can be used in SOHO, enterprise, small to medium business service offerings including IP PBX, hosted IP telephony and IP Centrex along with residential use.

The SPA-942 is based on industry leading VoIP technology from Linksys to deliver a high quality IP phone that is unparalleled in features, value and support. The SPA-942 is simple to use, with well laid out function keys & utilises the call processing functionality found in existing Linksys products.

Warranty

1 Years Manufacturers Warranty

Key Features

Up to 4 lines with independent configuration
Dual switched Ethernet ports
Hands free option
Call hold, call waiting, call transfer, call conferencing, Do not disturb.
Call logs- made, answered, missed calls, with time- 60 entries each
Caller ID
Multiple ringtones with selectable default ring tone per line
Personal address book with auto dial- 100 entries
Speed dialling
Built in web server for administration
128x64 Monochrome LCD graphical display with back light
Automated provisioning- up to 256 byte encryption
      - TFTP
      - DHCP option 66 support
      - HTTP
      - HTTPS

Data Networking

MAC Address (IEEE 802.3)
IPv4- Internet Protocol Version 4 (RFC 791)
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 Over IP

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 (incl. STUN)
SIPFrag (RFC 3420)
Secure (Encrypted) 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.729 A
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 Inter-Digit Timers
IP Address/URI Dialing Support
Call Progress Tone Generation
Jitter Buffer- Adaptive
Frame Loss Concealment
VAD- Voice Activity Detection w/ Silence Suppression
Attenuation/Gain Adjustments
MWI- Message Waiting Indicator Tones
VMWI- Voice Mail Waiting Indicator
Caller ID Support (Name & Number)
Third Party Call control (RFC 3725)

Security

Password Protected System Reset to Factory Default and Configuration
Password Protected Admin and User Access Authority
Provisioning/Configuration/Authentication
HTTPS with Factory Installed Client Certificate
HTTP Digest- Encrypted Authentication via MD5 (RFC 1321) -Up to 256-bit AES Encryption

Provisioning, Administration and Maintenance

Web Browser Administration and Configuration via Integral Web Server
Automated Provisioning & Upgrade Availability via HTTPS
Non-Intrusive, In-Service Upgrades
Report Generation and Event Logging
Syslog and Debug Server Records
Per Line and Purpose Configurable Syslog and Debug Options

Physical Data Interfaces

2 x 100baseT RJ-45 Ethernet Ports (IEEE 802.3)

Voice I/O Interfaces

Handset: RJ-7 Connector
Speaker-phone & Microphone- Built-in
Headset 2.5mm Port

Regulatory Compliance

FCC Part 15 Class A, B
CE Mark

Power Supply

Switching Type with Modular Wall Plug Clip- County/Region Specific
DC Input Voltage: +5 VDC at 2.0 A Max
Power Consumption: 5 WATTs
Power Adaptor: 100-240v- 50-60Hz (26-34VA) AC Input, 1.8m cord

Indicator LEDs- Lights

Line (4)
Speaker-phone
Headset
Message Waiting
Mute + Status (Provision, Alert, Upgrade)
Voicemail Message Retrieval button

Environmental

Operating Temperature 32 to 113 F (0 to 45 C)
Storage Temperature -13 to 185 F (-25 to 85 C)
Relative Humidity 10 to 90% non-condensing, operating and non-
      operating

Box Contents

1- Linksys IP Phone- Colour- Dark Grey
1- Handset- Colour- Dark Grey
1- Handset Cord- Colour- Dark Grey
1- Telephone Desk Stand
1- 5v Power Adapter- 1.8m (3ft) Cord (purchased separately)
1- RJ-45 Ethernet Cable- 1.8m (3ft) Cord- Colour Black
1- Linksys Quick Start Guide

Documentation

Quick-Start Guide
User Guide
Administration Guide- Available to Service Providers Only
Provisioning Guide- Available to Service Providers Only

The Linksys SPA 942 requires a Power adapter if your network does not support PoE (power over ethernet).