| If it is ISDN you assign the numbers in the co and incoming calls>ddi/did table enter last 4 digits of number and in ddi dest enter extension number.
your line provider could sends more or less numbers so you could put in the full number then remove first number untill you are left with 3 numbers, that should cover you
ddi day dist
e.g number xxxxx81 201
xxxx81 201
xxx81 201
xx81 201
x81 201 |