This contract is for the services related to voice services between the different sites of the regional councils of Burgundy and Franche-Comte, and external networks. Thus, the Regional Council of Burgundy and Franche-Comté were formed in control group within the meaning of Article 8 of the Public Procurement Code in 2015 to determine the operators who will carry out the requested services from 01.01.2016. The Burgundy Regional Council is the coordinator of this group, it is up to him to lead the consultation until the notification of the market. Note that as of 1/1/2016, the two regions will merge and form over an entity, but market conditions will be identical executions. for the sake of consistency tariff for this new community, all costs and prices for each service will be the same on the whole territory Bourgogne-France-Comté. Following the merger, will be considered as the main sites of the current regional councils seats in Besançon and Dijon. In the document, the terms "regional councils" or "Regional Council" may be included either, these terms denoting either existing communities in 2015, the new community from 01.01.2016. There is a market (purchase orders) spent in tender procedure in accordance with Articles 33, 57 and 77 and following of the code of public contracts.