This link will take you to video excerpts from a workshop delivered by Liane Hambly in Dublin 2015 exploring how  face-to-face guidance skills can be transferred to other media. The audience are Guidance Counsellors who primarily work with adults.

video on telephone guidance NCGE

In addition to this topic the NCGE site has an interesting on-line professional magazine and a range of other resources pertinent to career development practitioners

telephone guidance