You can enter a vector variable between A-Z or AA-ZZ as an announcement extension in all commands that use an announcement in the extension field.
The following syntax rules apply when you use vector variables with the announcement command:
announcement [A-Z, AA-ZZ]
collect [1-16] digits after announcement [A-Z, AA-ZZ] for [A-Z, AA-ZZ]
disconnect after announcement [A-Z, AA-ZZ]wait-time
[0-999] sec hearing [A-Z, AA-ZZ] then
[music, ringback, silence, continue]