Portuguese to English Marketing Marketing / Market Research Surveys

This appears in a presentation on a survey about social media in Brazil in the following context:

Qual meio de contato utilizou para falar com o SAC nos últimos 6 meses?

TELEFONE E-MAIL SITE REDES ATENDIMENTO CARTA SOCIAIS PRESENCIAL

I found another posting about 'presencial' being 'off-line' but I'm not sure whether this would apply in this case or whether there is a better way of saying this.

Many thanks for any suggestions