void transaction_TransactionRemoved(SIPTransaction sipTransaction)
 {
     Console.WriteLine(sipTransaction.GetType() + " Removed (" + sipTransaction.TransactionId + ")");
 }
 void transaction_TransactionStateChanged(SIPTransaction sipTransaction)
 {
     Console.WriteLine(sipTransaction.GetType() + " State Change (" + sipTransaction.TransactionId + "): " + sipTransaction.TransactionState);
 }
 void transaction_TransactionStateChanged(SIPTransaction sipTransaction)
 {
     logger.LogDebug(sipTransaction.GetType() + " State Change (" + sipTransaction.TransactionId + "): " + sipTransaction.TransactionState);
 }
 void transaction_TransactionRemoved(SIPTransaction sipTransaction)
 {
     logger.LogDebug(sipTransaction.GetType() + " Removed (" + sipTransaction.TransactionId + ")");
 }
 void transaction_TransactionTraceMessage(SIPTransaction sipTransaction, string message)
 {
     logger.LogDebug(sipTransaction.GetType() + " Trace (" + sipTransaction.TransactionId + "): " + message);
 }