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Script Execution
Issue 4 September 1995
H-7
selected application, the first command in the
exec
’ed script is a
prompt and
collect
command with no announcement prompt programmed and with the
pound sign (#) programmed as the end-of-string character.
The ‘‘Converse second data delay’’ is used to give the VRU time to invoke the
selected application before the <data_2> digit string is outpulsed.
The application developer should ensure the administered
converse first data
delay
and
converse second data delay
timers allow sufficient time for the VRU to
successfully collect all outpulsed digits, even during periods of heavy call
volume. Loss of digits from <data_2> is an indication the converse second data
delay timer needs to be increased.
Script Execution
During script execution, digits input by the calling party in response to
prompt
and collect
commands are collected by the VRU but are not collected by
DEFINITY as dial-ahead digits. Also, audible feedback is determined by the
VR U.
If an agent from a nonconverse split becomes available to service the call while
the VRU script is being executed, the VRU port is dropped from the call, and the
caller is immediately connected to the agent. Any digits collected prior to
executing the
converse-on
step are still available and may be displayed using
the CALLR-INFO button.
The entire call is dropped if the caller abandons during the execution of a
converse-on
step.
Data Return
This phase is optional and is in effect only if the application calls for the VRU to
return information to DEFINITY before returning control to vector processing.
Digits returned by the VRU are treated as dial-ahead digits. The rules for
collecting and processing VRU-returned digits are identical to those for
collecting and processing Call Prompting digits (see Chapter 5, "Call
Prompting").
VRU data return is done in a manner similar to an analog transfer. Specifically,
the VRU does an analog switchhook flash, outpulses DTMF digits, and then
hangs up. If converse data is returned, the DTMF digits comprise two parts. The
first sequence of digits is the converse data return feature access code
administered on the DEFINITY Feature-Access-Codes form. The second
sequence of digits is the sequence to be passed by the VRU. These digits are
collected later during vector processing.