You can enter a VDN variable between V1 - V9 as an announcement extension in all commands that use an announcement in the extension field.
The following syntax rules apply when VDN variables are used with the announcement command.
announcement [V1-V9]
collect [1-16] digits after announcement [V1-V9]
for [none, A-Z, AA-ZZ]
disconnect after announcement [V1-V9]
wait-time [0-999 secs, 0-480 mins, 0-8 hrs] hearing [V1-V9] then [music, ringback, silence, continue]