User might just execute one transaction/program but STAD might display many entries for that single transaction/program  each entryis a dialog step in SAP term. How many dialog-steps are displayed under a transaction/program is related to program/transaction design and how that transaction is executed.
Connections of the types TCP, ISO-on-TCP, UDP, ISO and S7 connection are configured in the SIMATIC Manager in NetPro. These connections are configured in the same way in STEP 7 (TIA Portal). In STEP 7 (TIA Portal) the S7 connections have to be configured in the Devices and Networks editor, in the Network view.
Configure IPv6 Pools for SIP IP Phones. 1  Unified SRST 12.0 or a later version. 2  IPv6 option only appears if protocol mode is dual-stack configured under sip-ua configuration mode or IPv6. 3  Cisco Unified SRST License must be configured for the gateway to function as a Unified SRST gateway to support IPv6 functionality.