Introducing linksys ip phones, Overview, C h a p t e r – Linksys VOICE SYSTEM SPA 900 SERIES User Manual
Page 12: Chapter 1, “introducing linksys ip phones

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Linksys IP Phone Administrator Guide
Firmware Version 5.1
Chapter 1 Introducing Linksys IP Phones
Overview
1
Introducing Linksys IP Phones
This chapter introduces the functionality of the Linksys 900 Series IP phones and includes the following:
•
•
Linksys IP Phone Features, page 1-2
•
Feature Descriptions, page 1-5
•
Technology Background, page 1-8
Overview
summarizes the ports and features provided by the Linksys 900 Series IP phones described in
this document.
Note
PoE units (SPA922, SPA942, and SPA962) do not come with an external power adapter. The
PA100 power supply must be ordered separately if you are not using a PoE switch.
illustrates how the IP phones are connected in a VoIP network.
Table 1-1
Linksys IP Phones
Product Name
RJ-45
Voice Lines
Additional Features/Notes
SPA901
One (1)
One (1)
No display.
SPA921
One (1)
One (1)
1 display.
SPA922
Two (2)
One (1)
Monochrome display, Power over Ethernet (PoE)
support, and an extra Ethernet port for connecting
another device to the LAN.
SPA932
—
—
Attendant sidecar for SPA962 with 32
LEDs/buttons for monitoring and call transfer.
Support for Broadsoft Busy Lamp Field and
Asterisk Line Monitoring.
SPA941
One (1)
Four (4)
Monochrome display.
SPA942
Two (2)
Four (4)
Monochrome display, Power over Ethernet (PoE)
support, and an extra Ethernet port for connecting
another device to the LAN
SPA962
Two (2)
Six (6)
High-resolution color display, Power over Ethernet
(PoE) support, and an extra Ethernet port for con-
necting another device to the LAN