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Title : Text string notation for Dial Sequences and GSTN /
E.164 addresses
Author(s) : C. Allocchio
Filename : draft-allocchio-gstn-05.txt
Pages : 8
Date : 2003-4-30
This memo describes the full set of notations needed to represent
in a text string a Dial Sequence. A Dial Sequence is normally
composed by Dual Tone Multi Frequency (DTMF) elements [1] plus
separators and the additional 'actions' (such as 'wait for
dialtone', 'pause for N secs', etc.) which could be needed to
successfully establish the connection with the target service:
this includes the cases where subaddresses or DTMF menu navigation
apply.
This notation is a fully compatible compendium of existing notations,
and should be used in all specifications needing a text string
representation of a Dial Sequence.
Although the commonly called 'telephone numbers' are normally used
to generate a Dial Sequence when establishing a connection, the
full abstract E.164 addresses [2], i.e. the universal addressing on
the Global Switched Telephone Network (GSTN), have further elements
which cannot be dialled. Thus abstract E.164 addresses cannot be
fully converted into a Dial Sequence or fully represented using
this notation.
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