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You cannot remove the attendant extension number entirely from the
Option 11 system data; you can only replace it with another number.
/' 48
REQ
CHG
TYPE
CDB
CUST x "x" = Customer number
.
ATDN xxxx "xxxx" = the new extension number
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For some countries, the default value of the night number is listed in
"Important extension numbers" on page 294. If you wish to change or remove
the night number, use LD 15.
/' 48
REQ CHG CHG = Change
TYPE CDB CDB = Customer Data Block
CUST x "x" = Customer number
NIT1
bbbb, or X aaaa "bbbb" = the new extension number (DN)
Or
"aaaa" = the current night number
(the night number is now removed).
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CHG = Change
CDB = Customer Data Block
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