Wireshark uses this table to map specific protocols to a certain DPC/SSN combination for SCCP.
This table is handled by an Section 9.7, “User Table” with the following fields.
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Network Indicator
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An Integer representing the network indicator for which this association is valid.
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Called DPCs
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An range of integers representing the dpcs for which this association is valid.
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Called SSNs
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An range of integers representing the ssns for which this association is valid.
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User protocol
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The protocol that is carried over this association