Hello user, I frequently got this error: *ERROR: SMPP: Unknown TLV `dlr_err', don't send* in my opensmppbox log. Anyone can help to explain what is it and how come it happen? Which is "don't sent"? Thank you.
Hanh.
Hello user, I frequently got this error: *ERROR: SMPP: Unknown TLV `dlr_err', don't send* in my opensmppbox log. Anyone can help to explain what is it and how come it happen? Which is "don't sent"? Thank you.
Hanh.