Installation of telecommunication hardware, such as switches, not excluding compatible telephonic equipment that supports a semi-managed telephone system at designated locations throughout the state of Texas. Additional information is not available for release at this time, and the Texas Department of Criminal Justice (TDCJ) cannot accept any questions, responses, or information from vendors prior to the posting of the solicitation. This notice does not guarantee that the information contained in the notice will remain unchanged upon issuance of the referenced solicitation. Any effort, expense, or expenditure of resources undertaken by any person or entity because of this notice is at that person's or entity's own cost and risk.