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3GPP TS 29.163 is the latest of the interworking standards between ISUP and SIP. It is closely aligned with ITU-T Q.1912.5, but also supports some additional interworking use cases and supplementary services. On the SIP side, conventions of IMS SIP are often used.
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SIP configuration is done in SIP Profile - SGP:
Set the Precondition Support to "Relay" or "Wait for fulfilled" depending on the desired behavior.
Set the Early 183 to "Enabled" when Precondition Support is set to "Relay".
SS7 configuration is done in SS7 - Destination - ISUP Group - ANSI/SS7 - Destination - ISUP Group - ITU and SS7 ISUP to SIP Interworking panels:
Set the Incoming Continuity Check to desired behavior.
Select the "Q1912.5 procedure" for ISUP interworking.