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有咩方法可以令通話中的回音減低呢?

有咩方法可以令通話中的回音減低呢?
謝謝!

pccw, i don't know why my obi have lots of problem, is it need to get a new one?

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i do it already, but the same!

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回復 3# leftright


    有改, 因為VOICE 太細聲!

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還有時大時細聲!

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When the OBi110 Power off, the phone voice is normal. after power on, the tone voice is normal before dail, after dail the number , it have some beep sound from OBI, and the voice being softly, and another people cannot hear my voice cos very softly too. but i can hear my voice in phone and delay about 1/4s
and same as use OBi talk through Andorid -> internet -> my Obi ->PSTN.

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