如何做一个最完美的实时数据传输程序

Ext.namespace(‘cti‘);cti.Voice = function(){ this.addEvents({ "dialing" : true, "ringing" : true, "established" : true, "released" : true }); };cti.fireVoiceEvent = function(event){ var runFireEvent = cti.document.voice.thisDN.value = ev.thisDN;//onDialing Event Handler var onDialing = function(ev){ cti.onStateChange(ev);