Denis Deslongchamps is a member of the Communauté des consultants en télécommunications (CCT) and has published many articles in french in the magazine Info Telécom.
- A series of two articles in 2007 and 2008 on the data protocols used in Voice Over IP.
- An article in 2008 concerning the data protocols used in IP telephony.
- An article in 2010 on the management of traditional telephone systems versus IP telephone systems.
- An article in 2010 concerning the quality of service of the networks that carry voice over IP.
- An article in 2012 on the estimation of professional fees related to the contact centres.
- An article in February 2015 concerning the functionalities of a multimedia contact centre.
- An article in May 2015 on the costs related to the contact centres.