ASAI-Provided Dial-Ahead Digits
Issue 4 September 1995 5-19
ASAI-Provided Dial-Ahead Digits
The ASAI-provided di gits feature all ows an a d junct to include digits in a
Route
Select
capab i lity. These digit s are treat e d as d ial-ahead digits for the c all. Dial-
ahead digits are stored in a dial-ahead digit buffer and can be collected (one at
a time or in groups) using the “collect digits” vector comm and(s). Although the
adjunct may send more than 24 digits in a Route Select, only the first 24 (or 24-x)
digits are retained as dial-ahead digits*. An application can use this capability to
specify the digits that the switch sho uld p ass to the VRU as part of the
converse-
on
vector step.
* The maximum number of dial-ahead digits that can be stored in the buffer is dependent
on the number of digits already collected for the c all b y a pr e vious “ collect digits” vector
command. If ’x’ digits were collected by vector processing prior to executing an “adjunct
routing” vector c ommand, the ’x’ digits collected reduces the maximum number of digits
that can be stored as dial-ahead di gits as a result of a Route Select. The rest is be
discarded.