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Joined: Oct 2007
Posts: 5
Member
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OP
Member
Joined: Oct 2007
Posts: 5 |
I do board level repair on business phones. I'm encountering a handsfree problem with the Aastra 5316 that I'm not able to solve. I open the line and the volume is very loud, the display shows that the phone is responding to the volume keys being pressed, but there is no actual change in the volume, and the mute key is the same way(the LCD flashes, but the mic is not muted. I've compare against a phone that works properly with a oscilloscope and wasn't able to find anything. Any suggestions?
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