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tones plus the announcement or the ONI (Operator Number Identification)
intercept operator ("What number did you dial?").
The information from this file comes mostly from an instructional
manual sent to me by CCI, who can be reached at 800-833-7477 or 716-482-5000
directly, or may be written to at 97 Humbolt Street, Rochester, NY, 14609.
INTERCEPTION
~~~~~~~~~~~~
Most definitely any person who has used a telephone in his life has,
by some means or another, come across the dreaded 3 tones, leading up to the
ever-so-cumbersome announcement telling of the disconnected or non-working
number. This file will go into how the whole system works.
After dialing the non-working number, the telco's Class 5 End Office
routes the call to DAIS II.
ANI Calls
~~~~~~~~~
Provided that the End Office has Automatic Number Identification
(ANI) equipment, the equipment then identifies the digits of the called number
and sends them to the intercept system.
The system receives the called number from the end office, retrieves
information for that number from the intercept database, formulates the
message, and delivers it to the customer in an automated announcement. These
announcements can either be standardized or tailored to the independent
telephone companies' needs. If further assistance is required, the caller can
then stay on the line and wait for an operator to come onto the line.
ONI Calls
~~~~~~~~~
When the End Office is primitive, and they don't have the ANI
equipment to do the above ritual, operators are directly involved. These
operators are also called into action when there is an ANI or DAIS II failure.
When the ONI (Operator Number Identification) call comes in, DAIS II
routes the call to the operator. The operator asks for the number that the
customer called and then keys it into her KDT (Keyboard Display Terminal).
After she hits the command key, the number's information is searched for in
the intercept database, the message is formulated, and the automated response
is announced. Once again, if the caller needs further assistance, an operator
will return to the line to help the subscriber.
Operators will return to the line for any number of reasons. They
include the following:
Unsuccessful Searches - After DAIS II receives the called number from ANI
equipment or from an operator, it searches the
database to find the intercept message associated with
the telephone number. The database contains all
10,000 line numbers for each exchange in the calling
area. If the system cannot complete the search, the
number was either keyed in incorrectly or there is a
problem in the system. The call is then routed to an
operator and displays the intercepted number
(including NPA) on the KDT screen along with a message
indicating why the search could not be completed. If
the number was keyed in wrong, the operator will
correct the number, or else she will ask the
subscriber to re-dial the number.
Aborted Announcements - If a search is given successful but for one reason or
another the automated announcement cannot be given,
the call is routed to an operator. The KDT display
shows the intercepted number, the appropriate
information for a verbal response, and the message,
"VERBAL REPORT." In this case, the operator quotes
the message to the caller rather than activating the
automated response.
Reconnects - If a customer remains on the line for more information
after receiving the automated announcement, the system
routes the call to an operator. The operator's KDT
display shows the called number plus other pertinent
information given to the caller in the previous
announcement. From here, the operator can respond
verbally to the customer's needs, or activate the
automated system again. The DAIS II system allows up
to 4 reconnects per call, but the possible number of
reconnects available ranges from 0-3. With 1
reconnect, the operator must report verbally.
Split Referrals - If a number has been changed but replaced with two
numbers, this is called a "split referral." When the
database finds 2 or more numbers, the DAIS II system
routes the customer to an operator, displaying the old
number and new listings on the KDT screen. The
operator then asks which number they are looking for
and keys in the command key to activate the
announcement, or else they do the announcement
verbally.
Operator Searches
~~~~~~~~~~~~~~~~~
Situations may arise where the subscriber needs more information
than was given by the automated announcement, or believes the information to
be invalid. DAIS II provides for operators to have access to both the
intercept and the DA databases at all times as long as the system
administrator, who judges the extent to which operators can use the
cross-search capability, allows it.
Components Of The System
~~~~~~~~~~~~~~~~~~~~~~~~
The telco's Class 5 End Offices contain switching equipment that
routes calls to DAIS II. If the office has ANI equipment, the switch routes
the called digits to the intercept system in the form of multi-frequency