How to test a SPA 3102?

Submitted by Anonymous on Wed, 10/21/2009 - 04:50.
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My VOIP SPA 3012 has stopped working. The phone light is not lit and although there is a dial tone, I can't make calls. Please advise me how to test this unit. It is still under warranty. Thanks, Stuart Leigh. (stuartp77@yahoo.com.au)
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