Welcome Terminology Using WebHelp Overview of the 3G-324M Interface 3G-324M Interface overview Video Access document set Configuring the 3G-324M Interface PSTN and IP network interactions during a call Querying and modifying the configuration Call states Call flow examples MSPP video-enhanced structures H.324M function summary H.324M function reference H.324M structure reference H.324M events and reason codes H.324M error codes