https://docs.cloud.google.com/nodejs/docs/reference/dialogflow/latest/dialogflow/protos.google.cloud.dialogflow.v2beta1.responsemessage.itelephonytransfercall
Interface protos.google.cloud.dialogflow.v2beta1.ResponseMessage.ITelephonyTransferCall (7.5.0) |...
google cloudinterfaceprotosdialogflow