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Why the gateway rings again after we hang up the call?

Date: 2007-6-14   Hits: 2753

HT-series gateways have the function of flash self-testing, if you jiggle the spring so often by hanging up that the gateway consider that you want to hold the call. So this ring is to remind you there is still a call on the line. If you want to shut the function you could open the relevant setting page and reset the Send Flash Event to 'YES'.

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