Genuine Original Linksys SPA942 4-Line IP Phone with 2-Port Switch Office Business Display Telephone with Stand, Handset, and Cord 000E08DCF029. The Linksys SPA942 IP telephone can be configured as a two (2) line or, via a simple software upgrade, a four (4) line full featured business phone with pixel based graphical display, speakerphone and headset port. Stylish and functional in design, the SPA942 VoIP telephone is ideal for a residence or business using a hosted IP telephony service, an IP PBX, or a large scale IP Centrex deployment. The SPA942 leverages industry leading VoIP technology from Linksys to deliver an upgradeable high quality IP Phone that is unparalleled in features, value, and support.
Part Number: 000E08DCF029 000E08DCF02F 000E08DCF02C 000E08DCF0D7 000E08DCF0D0 000E08DCF0D5
Model Number: SPA942
Specifications:
| 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 U-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 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, and 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 | 2 100baseT RJ-45 Ethernet Port (IEEE 802.3)
Handset: RJ-7 Connector
Built-in Speakerphone and Microphone
Headset 2.5 mm Port |
| Dimensions (W x H x D) | 7.68 x 6.30. x 7.09 in (195 x 160 x 180 mm) W x H x D |
| Operating temperature | 41 ~113 F (5 ~4 C) |
| Storage temperature | -13 ~185 F (-25 ~85 C) |
| Operating humidity | 10~90% Non-condensing |
