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Chapter 1: Introduction
Welcome
SPA IP Phone
Chapter 1: Introduction
Welcome
Linksys SPA921, SPA922, SPA941 and SPA 942 are full-featured VoIP (Voice over Internet Protocol) phones that
provide voice communication over an IP network. The phones have traditional features, such as call forwarding,
redialing, speed dialing, transferring calls, conference calling and accessing voice mail. Calls can be made or
received with a handset, headset or over a speaker.
The differences between the models are shown below.
* The SPA941and SPA 942 ships with two lines enabled. A two line upgrade is available via a
software license key installed locally using the SPA941 web interface, or installed remotely via a
secure profile update.
Table 1: Linksys IP Telephone Comparison Chart
SPA Model Voice Lines Ethernet Ports
Power over Ethernet
Support
SPA921 1 1 N
SPA922 1 2 Y
SPA941* 2-4 1 N
SPA942* 2-4 2 Y