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13-28 ETSI PRI
length of 10 and 4 pin digits would require MAXDIGS to be at least 14
digits. The range for these fields can be from 1 to 29.
Note: When the CARDTYPE is FLEXCARD, only 14 card digits is
accepted and a SCUN treatment is generated if it is not 14 digits. When the
CARDTYPE is FLEXCRTC, 1 to 29 card digits could be collected.
End of dialing in collecting Card Digits
The end of dialing occurs when
Reset Digit "#" in collecting Card Digits
Reset dialing allows the subscriber to correct a misdialed sequence without
losing access to the DMS-250 switch. Dial tone is given upon pressing the
reset digit (#) so that the subscriber can redial the digit sequence.
An octohorpe dialed before the minimum number of card digits (indicated
by MINDIGS) is collected and recognized as a reset digit to the switch.
PIN digits for card number
Field PINDIGS is present to determine how many digits not to record
(number to mask with TBCD A's) in billing upon the conditions that follow.
PIN digit masking is consistent across all card types.
Note: This PINDIGS field is used only for billing purposes and is not used
to determine the number of digits to collect.
Reorigination
Call reorigination allows a caller to make several consecutive calls without
losing access to the DMS-250 switch. Upon entering the octothorpe (#), the
caller receives a prompt and may then dial a new destination address and
suppcode (if required).
The octhothorpe (#) identifies a reorigination attempt. A DTMF receiver is
used to detect a reorigination attempt at the beginning of the call during the
297-2521-106 Standard 23.01 March 2001
the number of digits dialed is equal to MAXDIGS
inter-digit time out occurs
a terminating octothorpe (#) digit is entered
The masking digit is always a TBCD "A".
PIN digits are masked unless an ACIF of 10, which indicates an invalid
card, is received.
When masking, only PIN digits located after the 10th digits of the card
number are masked. PIN digits before or at the 10th digits of the card
number are not masked.
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