Linksys SPA941 Configuration Manual page 7

To make a test call to our server in Germany running an echo test, dial prefix+600 (i.e 600 from one
of the camps and 810600 from the Ecolog Office in Dubai). After hearing a message, voice will be
echoed, giving you a clear picture of the voice quality and latency of the connection to our server.
Extension lights should be green if the configuration was successful.
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