Je sais que le sujet n'est pas nouveau, c'est pourquoi je vous propose un excellent cahier technique rédigé par Cédric Baillet pour mieux comprendre les enjeux de la sécurité d'une solution de ToIP et découvrir comment sécuriser votre environnement.
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Comme

As an active member of the Orange Business Services Customer Journey & Solutions community, I publish posts on our blogs on topics such as laptops, smartphones, and collaborative tools that are revolutionizing employees' environments. I contributed to the French Security blog for five years, where I published blog posts the security of information systems. I have worked in radio programs on topics such as cybercrime and denial of service attacks. Blogging at Orange Business Services enables me to learn and share my experiences in a fun and positive way.