[Asterisk-Users] TDM40B Port to Grandstream ATA-286 hypersensitive microphone issue.

[Robert Mann]

I have a Panasonic Multitalk8 cordless hooked up to a port on a TDM40B talking over SIP to a Grandstream ATA-286 and during every call I get intermittent stretches of about 30-60 seconds where it appears the microphone input on the TDM40B gets super sensitive and my voice is broken up on the ATA-286.  It does it randomly and does not appear to be triggered by any type of network issue.  It appears to be hardware related or maybe a combination of both hardware and software as I can hear it in the speaker as well on my side.  It is like you are recording your voice in to a tape recorder with the mic gain turned up to maximum.  It does clear up and go away but it will happen every few minutes on the call.

Anyone have any suggestions as to what to try?

Thank you,
Robert
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