Chapter 7 Compatibilities and features 161Network Managers Guide for Symposium TAPI Service Provider for Succession, release 3.0* Minimum X11 release 25.15 required.Lines and DNsTable 14 lists the line and DN capacities Symposium TAPI SP supports.Device controlsTable 15 lists device controls Symposium TAPI SP supports.Observe agent N N N N NAnswer agent Y Y Y Y YDisplay agent Y Y Y Y YSupervisor key N N N N Y*Table 14 Line and DN capacitiesSymposium TAPI Service ProviderFeatureRelease2.1Release2.2Release2.3Release2.3.1Release3.0Max DNs/Address per set 2 2 2 2 2Max telephones per TAPI server 1000 1000 1200 1200 1200Table 15 Device controlsSymposium TAPI Service ProviderFeatureRelease2.1Release2.2Release2.3Release2.3.1Release3.0Message waiting lamp activation Y Y Y Y YTable 13 ACD (continued)Symposium TAPI Service ProviderFeatureRelease2.1Release2.2Release2.3Release2.3.1Release3.0