Select the 'Greeting' file with instructions in English
Set option '1'='1001' (1001 will be used for 'French' IVR)
Set other IVR options per your needs
Click on 'Save'
Create 'French' IVR
Click on 'Add IVR' button
Set IVR 'Name'='French'
Set IVR 'Number'='1001' for example
Select 'Greeting' file with the instructions on French language
Set option '1'='1000' (1000 is 'English' IVR)
Set other IVR options per your needs
Click on 'Save' button
So, let's say that DID takes all calls to 'English' IVR '1000'. Instructions tell you to press '1' for French language and play other IVR options in English. You press '1' and are redirected to 'French' IVR '1001' where instructions tell you to press '1' for English language and play other IVR options in French.