java - Twilio API 中的“p1connected”和“入站呼叫”有什么区别

Question

我想知道 Twilio API 之间的P1connected区别InboundCall。

switch (requestedop){
            case P1Connected:
                output = //calling a method
                break;
            case P2Connected:
                output = //calling a method
                break;
            case EndCall:
                output = //calling a method
                break;
            case TranscribeCallBack:
                output = //calling a method
                break;
            case InboundCall:
                output =//calling a method
                break;
            case InboundCallForward:
                output = //calling a method
                break;  
            case InboundSms:
                output = //calling a method
                break;
            case FallBack:
                output = //calling a method
                break;
            case MissedCall:
                output = //calling a method
                break;
            default:
                throw new ServletException ("Operation not supported.");
        }

我用谷歌搜索了它，但没有找到确切的区别。