NET SatisFAXtion 8 .5 AudioCodes MediaPack Hardware Installation Guide —
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Configuring the MediaPack (FXS only) for analog DID Collection
If you have analog DID trunks (NOT PHONE LINES WITH DIAL TONE) configure the following two settings .
Click on Protocol Management
Hover Advanced Parameters and click on General Parameters
Under General Parameters, set Enable DID Wink to Enabled
Under Disconnect and Answer Supervision, set Enable Polarity Reversal to Enabled
Click Submit
Click Maintenance
Click Burn to burn all changes to flash memory