<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m trying to run the following code, but after a few seconds I get AccessViolationException:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>class Program {<o:p></o:p></p><p class=MsoNormal> static void Main(string[] args) {<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> ESLconnection connection = new ESLconnection("192.168.1.1", 8021, "ClueCon");<o:p></o:p></p><p class=MsoNormal> connection.SendRecv("event plain ALL");<o:p></o:p></p><p class=MsoNormal> Task task1 = Task.Run(() => Receive(1, connection));<o:p></o:p></p><p class=MsoNormal> Task task2 = Task.Run(() => Receive(2, connection));<o:p></o:p></p><p class=MsoNormal> Console.ReadLine();<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> static void Receive(int id, ESLconnection connection) {<o:p></o:p></p><p class=MsoNormal> while (connection.Connected() == 1) {<o:p></o:p></p><p class=MsoNormal> ESLevent eslEvent = connection.RecvEvent();<o:p></o:p></p><p class=MsoNormal> Console.WriteLine("{0} - {1}", id, eslEvent.Serialize("").Split(new char[] { '\r', '\n' })[0]);<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What the basic idea behind this is, is to have a Task continuously listening for a CHANNEL_HANGUP event, and have the other Task process the call in parallel.<o:p></o:p></p><p class=MsoNormal>Does the exception occur because multiple parallel tasks are trying to access the connection object?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is the only solution to create a second ESLconnection (HANGUP Handler) and register it to receive only calls for a given UUID?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Grant<o:p></o:p></p></div></body></html>