Configuring ISUP Parameter Extraction
Configure this parmameter to define a list of ISUP parameters the SBC extracts and interworks during IAM to INVITE interworking for SIP-I to SIP and SIP-I to SIP-I calls. In addition, for SIPI outbound calls, both SIP to SIPI and SIPI to SIPI calls, the SBC interworks parameters from ACM/CPG messages into 18x messages.
To use this feature, set the parameters to extract for the applicable interface using the extract-isup-params parameter in the sip-isup-profile.
To set ISUP format interworking: