[. . . ] [. . . ] Added a timer to delay answer the VOIP incoming call to FXO when PSTN line doesn't support polarity reverse. When PABX mode is enabled and the FXS line is also registered, FXS do the routing based on the FXO prefix routing table. It is recommended to change the voice volume as follows at default setting. FXO: remove receive volume -3 db, local receive volume: 0 db FXS: remove receive volume 0 db, local receive volume: - 3 or -6 db Configuration Item Changed Application Block Diagram Hyperlink WELLTECH WEB Site:http://www. welltech. com Firmware Download: http://www. welltech. com/support/26xx. htm User Manual: http://www. welltech. com/support/26xx. htm Note . W. S . W. H WillGate26xx product line Object: [. . . ] [. . . ]