Correction - this query was from having my licence pre-EASA, at which time a separate FRTOL test was required (not sure what happens now at initial application). Now looking at my since updated EASA licence it has "XII Radiotelephony privileges: The holder of this licence has demonstrated competence to operate R/T equipment on board aircraft in English" and "XIII Language Proficiency : English - Level 6". Valid for life.
From the above I'm inferring there is now a lifetime competence FRTOL attached to my lifetime licence? Seems odd that there isn't a periodic check though I assume this is considered to be picked up in revalidations of ratings etc and if you have a valid rating then you're assumed to have a valid FRTOL. Any confirmation on this appreciated.