Prior information notice
According to this notice the expected publication date of the contract documents (note that this could change) is
2024-06-18
ESS is going to publish an open call for tender for the provision of a number of telephony services divided into two lots.
ESS aims to implement and renew the following services:
• Lot 1 - Mobile telephony services
• Lot 2 - On-premises VoIP/IP telephony services