private void HandleCallStatus(ArrayList calls)
        {
            List <Call> callList = new List <Call>();

            foreach (Hashtable call in calls)
            {
                string     callId     = (string)call[CMessageParser.ApiStringConstants.CallStatusResponse.Id];
                HoldStates holdStatus = StringToHoldState((string)call[CMessageParser.ApiStringConstants.CallStatusResponse.HoldStatus]);

                List <CallParticipant> callParticipantList = new List <CallParticipant>();

                ArrayList participants = call[CMessageParser.ApiStringConstants.CallStatusResponse.Participants] as ArrayList;
                foreach (Hashtable participant in participants)
                {
                    string     number        = (string)participant[CMessageParser.ApiStringConstants.CallParticipant.Number];
                    string     displayName   = (string)participant[CMessageParser.ApiStringConstants.CallParticipant.DisplayName];
                    CallStates state         = StringToCallState((string)participant[CMessageParser.ApiStringConstants.CallParticipant.State]);
                    long       timeInitiated = System.Convert.ToInt64((string)participant[CMessageParser.ApiStringConstants.CallParticipant.TimeInitiated]);

                    CallParticipant callParticipant = new CallParticipant(number, displayName, state, timeInitiated);
                    callParticipantList.Add(callParticipant);
                }

                Call callData = new Call(callId, holdStatus, callParticipantList);
                callList.Add(callData);
            }

            if (OnCallStatus != null)
            {
                OnCallStatus(this, new CallStatusEventArgs(callList));
            }
        }
            public Call(string callId, HoldStates holdState, List <CallParticipant> participantList)
            {
                CallId    = callId;
                HoldState = holdState;

                ParticipantList = new List <CallParticipant>(participantList);
            }