Hello World

public static async Task SendHelloWorld()
{
    using (SmppClient client = new SmppClient())
    {

        if (await client.ConnectAsync("smpp.server.address", 7777))
        {
            BindResp bindResp = await client.BindAsync("username", "password");

            if (bindResp.Header.Status == CommandStatus.ESME_ROK)
            {
                var submitResp = await client.SubmitAsync(
                    SMS.ForSubmit()
                        .From("111")
                        .To("222")
                        .Coding(DataCodings.UCS2)
                        .Text("Hello World!"));

                if (submitResp.All(x => x.Header.Status == CommandStatus.ESME_ROK))
                {
                    client.Logger.Info("Message has been sent.");
                }
            }

            await client.DisconnectAsync();
        }
    }
}