Linksys SPA-942 IP Telephone

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

Linksys SPA-942 IP Telephone

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).