Make sure that the SIM card credit and validity check is set correctly – lower ACD may result in the fact that an incoming call is forwarded to the IVR services informing of a low credit, etc.
More product information:
Make sure that the SIM card credit and validity check is set correctly – lower ACD may result in the fact that an incoming call is forwarded to the IVR services informing of a low credit, etc.
More product information: