ISUP Stack Options

• No confusion: Do not send confusion (CFN) message, forward to engine unrecognized MSUs

• CGB Accept extra status byte: Do not reject group message (CGB, CGBA, CGU, CGUA) when using too many bytes in status field

• Extra called number bytes: Redefine the maximum called number IE size from 16 digits to 30 digits

• Extra calling number bytes: Redefine the maximum calling number IE size from 16 digits to 30 digits

• Event information accept all values: Do not block any value from the Event information IE, bypass ERROR:Event information

• ANSI charge number without originating line information: ANSI 92 and 95. Do not block charge number IE if Originating Line Information IE is not present

• Support extra bytes after end of optional part: Support extra bytes after end of optional part in ISUP message, bypass ERROR:Incorrect message length

Configuration

• Creating an ISUP Stack
• Modifying ISUP Stack for SPIROU