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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : D.91
Title : Transmission in encoded form of maritime
telecommunications accounting information
Study Group : III - Tariff and Accounting Principles
Version : Revised
Date of adoption : 1991
Notes :
Under the provision of Recommendation D.90, Administrations engage in
international accounting for radiocommunications handled each month.
A growing number of Administrations are processing this monthly
international accounting data using computer based accounting systems.
Information is drawn from traffic history tapes or manually encoded
from data such as inward international accounts and statistical
summaries prepared by manual abstraction from copies of traffic
tickets.
It is usual at present to complete computer processing by producing
conventional printed accounts following the specifications described
in the various accounting Recommendations (D.90). Where the receiving
Administration also uses computer facilities, however, this
information has to be re-encoded for processing through its system.
Transmission of data in encoded form avoids the decoding/re-encoding
step. It also offers a faster transfer of information than by printed
forms through the mail. The latter remains true even if the forwarding
Administration has prepared the data by manual/mechanical means.
The aim of Recommendation D.91 is:
- To enable Administrations using computer based accounting
systems to transfer information to each other in encoded
form, without the need for decoding into conventional printed
form and subsequent encoding into machine-readable form.
- To enable other Administrations, if they so desire, to benefit
from the greater efficiency of speedier transfer of
information to them and to prepare themselves for the
introduction of computer working by introducing transmission
of data in encoded form in advance of installation of a
computer.
- To facilitate provision of printed output from computer based
systems in a format suitable for manual/mechanical processing
where it is to be forwarded to Administrations not using
computer facilities.
- To facilitate provision of printed output from
manual/mechanical accounting systems in a format suitable for
data encoding where it is to be forwarded to Administrations
employing computer processing.
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).