GitHub - gdereese/tonescript: Python package for working with ToneScript, a syntax for describing the characteristics of the call progress tones used in telephony.
![Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) - Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) -](https://forums5.grandstream.com/uploads/default/original/2X/1/173c614e514bc13f1559a322c1aa8eeb36ee33a7.png)
Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) -
![Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) - Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) -](https://forums5.grandstream.com/uploads/default/original/2X/8/86c5aa50649f307192c04e4a26f4eda63ec9ece1.jpeg)
Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) -
![Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) - Call progress tones - IVR not recognising GXW4104 PSTN line being hung up - FXO Gateways and ATA's (GXW 4100, and HT 503) -](https://forums5.grandstream.com/uploads/default/original/2X/e/e0e60238ea499ba3d5f6c30e01afff8539162954.png)