I ran into the same problem few months ago, and it gave me a lot of fussiness. Everything else in this code was just as i wanted, except this insurmountable drawback. Password length limitation in demo version, requires password not greater than 8 characters. It is important to know, is this limitat...

I am having ALT.SMS.SmppClient connected with SMSC via NowSMS.
Is it possible to send USDD message to another device from ALT.SMS.SmppClient? if possible, some piece of code would be very heplful.

Regards,
NP