if a SMS fail to a destination then we can check definition in both SMSC & STP. if definition missing in any of them then SMS will not reach to destination. checking procedure for Definition in STP

put LST SCCP GT in STP and place number in address message option. not full number only first 3 or 4 digit.

 

what are the  minimum length for checking of Number series.

Minimum 3 digit (including CC).

Thanks for your reply. It will help my O&M.

Excellent resolution of the problem