SpartaCom MPTS (For Terminal Server) - Version 1.0 SpartaCom Modem Pooling for Microsoft Windows NT Server 4.0, Terminal Server Edition (MPTS) is an add-on software product for the Microsoft multi-user environment. SpartaCom’s MPTS gives "thin-clients" access to modem pools defined on the Terminal Server, saving both time and money by eliminating the need to reconfigure the communication application before each session.