PAP2T outgoing Random Touch Tones

Wanted to see if anyone knows if Linksys is going to update the firmware for this problem, I saw that other linksys adapters have an upgrade for this problem....
When my wife is talking on the phone, her voice seems to trigger the PAP2T to generate touch tones that the other party hears.  She is not accidentally pushing the buttons.  I found other forums refer to this as "talk-off", claiming that the PAP2T DTMF detecter does not take a long enough sample and causes a DTMF to be generated at the other end of the line.  Typically associated with female voices.
I saw other versions of Linksys adapters have had software upgrades to allow for longer sampling times to help eliminate this problem. 
I have already tried taking the FXS gains down to -10db, but did not help.  Any other work arounds or does Linksys need to get in gear and cut/paste the fix from the other adapters??

I believe you are confusing DTMF Tx Mode with DTMF TX Method.  They added the DTMF TX Mode in one of v5 firmware versions.  Here is what an earlier edition of the ATA Administration Guide says about DTMF Tx Mode (Looks like Linksys/Cisco edited it out of the current edition of the ATA Administration Guide):
DTMF Detection Tx Mode is available for SIP information and AVT . Options are: Strict or Normal. The default is Strict for which the following are true:
•A DTMF digit requires an extra hold time after detection.
•The DTMF level threshold is raised to -20 dBm.
•The minimum and maximum duration thresholds are:
• strict mode for AVT: 70 ms
• normal mode for AVT: 40 ms
• strict mode for SIP info: 90 ms
• normal mode for SIP info: 50 ms

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