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How To Increase DTMF Signal Strength In Swyx 2015
July 2nd, 2015
Categories: Swyx Telephony, Tech

1. Use Regedit to edit the Windows registry on the Swyx Server
2. Navigate to HKEY_LOCAL_MACHINE > SOFTWARE > Wow6432Node > Swyx > LinkMgr > CurrentVersion > Options
3. Right-Click and create a new ‘Key’ registry entry named:- GeneralLinkConfiguration
4. Right-Click ‘GeneralLinkConfiguration’ and select New > DWORD (32-Bit) Value. Name the new DWORD entry DTMFGapDuration
5. Set the DTMFGapDuration to 100
6. Right-Click ‘GeneralLinkConfiguration’ and select New > DWORD (32-Bit) Value. Name the new DWORD entry DTMFToneDuration
7. Set the DTMFGapDuration to 400
8. Right-Click ‘GeneralLinkConfiguration’ and select New > DWORD (32-Bit) Value. Name the new DWORD entry DTMFVolume
9. Set the DTMFGapDuration to 200
10.  Right-Click ‘GeneralLinkConfiguration’ and select New > DWORD (32-Bit) Value. Name the DWORD entry DtmfRfc2833PayloadType
11. Set the value to 101