public override int GetHashCode()
{
const int prime = 31;
int result = 1;
result = prime * result + (IsSent ? 1231 : 1237);
result = prime * result + ((Message == null) ? 0 : Message.GetHashCode());
result = prime * result + ((Msisdn == null) ? 0 : Msisdn.GetHashCode());
result = prime * result + MessageStatus.GetHashCode();
result = prime * result + (int)(Timestamp ^ (Convert.ToUInt32(Timestamp) >> 32));
return(result);
}