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Cisco Small Business SPA942NA VoIP telephone
Cisco Small Business
1 to 2 business days; Also Please see "Shipping" in
Cisco Small Business
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)
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
MWI- Message Waiting Indicator tones
VMWI - Visual Message Waiting Indicator - Via NOTIFY, SUBSCRIBE.
Third Party Call Control (RFC 3725)
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
Headset Jack—2.5 millimeter port
128x64 Monochrome LCD Graphical Display
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
LED Test Function
DC Input Voltage: +5 Volts DC at 2.0 Amps Maximum
Power Consumption: 5 Watts
Switching Type (100-240v) Automatic
Optional Power Adapter (models PA100-NA, PA100-EU, PA100-UK, PA100-AU): 100-240v - 50-60Hz (26-34VA) AC Input
7.68"w x 6.30"h x 7.09"d
Operating Temp. 32 to 113°F (0 to 45°C)
Storage Temp. -13 to 185°F (-25 to 85°C)
Operating Humidity 10 to 90%, Noncondensing
Storage Humidity 10 to 90%, Noncondensing
Dedicated Illuminated On/Off Buttons for Audio Mute, Headset, and Speakerphone
Four Soft Key Buttons
Four Way-Rocking Directional Button for Menu Navigation
Support for up to two attached Attendant Consoles; adds up to 64 programmable buttons
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 Button Controls Handset, Headset, Speaker, Ringer
Standard 12-Button Dialing Pad
High-Quality Handset (RJ-7 connector) and Cradle
Built-In High Quality Microphone and Full-Duplex Speakerphone
Two Ethernet LAN Ports with Integrated Ethernet Switch – 100BaseT RJ-45
802.3af Compliant Power over Ethernet (PoE)
Optional 5 volt DC Universal (100-240 Volt) Switching (Power Supply is Ordered Separately)
2 or 4-Line IP Telephone with 2 Port Ethernet Switch, PoE and Hi-Res Display.
Advanced, Affordable, Feature Rich IP Phone for the Home Office and Business!
Stylish and functional in design, the SPA942 VoIP 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 SPA941 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 SPA942 include two active lines, dual switched Ethernet ports, 802.3af PoE support, a high resolution graphical display, speakerphone, and a 2.5 mm head-set port. With a simple software update, the SPA942 is upgradeable to a four line phone. 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.
Based on the SIP standard, the SPA942 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 sevice parameters, the SPA942 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 SPA942.
1 SPA942 IP Phone, Handset, and Stand
1 Handset Cord
1 RJ-45 Ethernet Cable
1 Quick Installation Guide (Optional Power Supply is Ordered Separately)
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