Does FXO and FXS module support CID?
Check hardware version of interface module with display version command. The default of CID of VRP operation system is open. If the lasting time of dial-up time is too long (The dial-up delays two seconds.), please close the function with undo cid enble.
FXO and FXS interface module of SIC support CID. For FOX and FXS interface board of MIM, only hardware version 2.1 and later versions can support CID.