In mux mode, Hanging up a voice call stops GPRS connection

Hello Sierra_klin2,

If I understand correctly, this means that the post [Hilo] What is the different between ATH[type] and AT+CHUP? is not correct regarding CHUP

If AT+CHUP doesn’t manage to hang up a voice call without stoping GPRS connection, which AT command should I use to stop the voice call without stopping the GPRS connection?

As HL / Hilo are class 10 modems, there should be a way to do so, am I wrong?

Best regards,
Thomas