| sccp.called.cluster | PC Cluster | Unsigned 24-bit integer | |
| sccp.called.digits | GT Digits | String | |
| sccp.called.es | Encoding Scheme | Unsigned 8-bit integer | |
| sccp.called.gti | Global Title Indicator | Unsigned 8-bit integer | |
| sccp.called.member | PC Member | Unsigned 24-bit integer | |
| sccp.called.nai | Nature of Address Indicator | Unsigned 8-bit integer | |
| sccp.called.network | PC Network | Unsigned 24-bit integer | |
| sccp.called.ni | National Indicator | Unsigned 8-bit integer | |
| sccp.called.np | Numbering Plan | Unsigned 8-bit integer | |
| sccp.called.oe | Odd/Even Indicator | Unsigned 8-bit integer | |
| sccp.called.pc | PC | Unsigned 16-bit integer | |
| sccp.called.pci | Point Code Indicator | Unsigned 8-bit integer | |
| sccp.called.ri | Routing Indicator | Unsigned 8-bit integer | |
| sccp.called.ssn | SubSystem Number | Unsigned 8-bit integer | |
| sccp.called.ssni | SubSystem Number Indicator | Unsigned 8-bit integer | |
| sccp.called.tt | Translation Type | Unsigned 8-bit integer | |
| sccp.calling.cluster | PC Cluster | Unsigned 24-bit integer | |
| sccp.calling.digits | GT Digits | String | |
| sccp.calling.es | Encoding Scheme | Unsigned 8-bit integer | |
| sccp.calling.gti | Global Title Indicator | Unsigned 8-bit integer | |
| sccp.calling.member | PC Member | Unsigned 24-bit integer | |
| sccp.calling.nai | Nature of Address Indicator | Unsigned 8-bit integer | |
| sccp.calling.network | PC Network | Unsigned 24-bit integer | |
| sccp.calling.ni | National Indicator | Unsigned 8-bit integer | |
| sccp.calling.np | Numbering Plan | Unsigned 8-bit integer | |
| sccp.calling.oe | Odd/Even Indicator | Unsigned 8-bit integer | |
| sccp.calling.pc | PC | Unsigned 16-bit integer | |
| sccp.calling.pci | Point Code Indicator | Unsigned 8-bit integer | |
| sccp.calling.ri | Routing Indicator | Unsigned 8-bit integer | |
| sccp.calling.ssn | SubSystem Number | Unsigned 8-bit integer | |
| sccp.calling.ssni | SubSystem Number Indicator | Unsigned 8-bit integer | |
| sccp.calling.tt | Translation Type | Unsigned 8-bit integer | |
| sccp.class | Class | Unsigned 8-bit integer | |
| sccp.credit | Credit | Unsigned 8-bit integer | |
| sccp.digits | Called or Calling GT Digits | String | |
| sccp.dlr | Destination Local Reference | Unsigned 24-bit integer | |
| sccp.error_cause | Error Cause | Unsigned 8-bit integer | |
| sccp.handling | Message handling | Unsigned 8-bit integer | |
| sccp.hops | Hop Counter | Unsigned 8-bit integer | |
| sccp.importance | Importance | Unsigned 8-bit integer | |
| sccp.isni.counter | ISNI Counter | Unsigned 8-bit integer | |
| sccp.isni.iri | ISNI Routing Indicator | Unsigned 8-bit integer | |
| sccp.isni.mi | ISNI Mark for Identification Indicator | Unsigned 8-bit integer | |
| sccp.isni.netspec | ISNI Network Specific (Type 1) | Unsigned 8-bit integer | |
| sccp.isni.ti | ISNI Type Indicator | Unsigned 8-bit integer | |
| sccp.message_type | Message Type | Unsigned 8-bit integer | |
| sccp.more | More data | Unsigned 8-bit integer | |
| sccp.optional_pointer | Pointer to Optional parameter | Unsigned 8-bit integer | |
| sccp.refusal_cause | Refusal Cause | Unsigned 8-bit integer | |
| sccp.release_cause | Release Cause | Unsigned 8-bit integer | |
| sccp.reset_cause | Reset Cause | Unsigned 8-bit integer | |
| sccp.return_cause | Return Cause | Unsigned 8-bit integer | |
| sccp.rsn | Receive Sequence Number | Unsigned 8-bit integer | |
| sccp.segmentation.class | Segmentation: Class | Unsigned 8-bit integer | |
| sccp.segmentation.first | Segmentation: First | Unsigned 8-bit integer | |
| sccp.segmentation.remaining | Segmentation: Remaining | Unsigned 8-bit integer | |
| sccp.segmentation.slr | Segmentation: Source Local Reference | Unsigned 24-bit integer | |
| sccp.sequencing_segmenting.more | Sequencing Segmenting: More | Unsigned 8-bit integer | |
| sccp.sequencing_segmenting.rsn | Sequencing Segmenting: Receive Sequence Number | Unsigned 8-bit integer | |
| sccp.sequencing_segmenting.ssn | Sequencing Segmenting: Send Sequence Number | Unsigned 8-bit integer | |
| sccp.slr | Source Local Reference | Unsigned 24-bit integer | |
| sccp.ssn | Called or Calling SubSystem Number | Unsigned 8-bit integer | |
| sccp.variable_pointer1 | Pointer to first Mandatory Variable parameter | Unsigned 8-bit integer | |
| sccp.variable_pointer2 | Pointer to second Mandatory Variable parameter | Unsigned 8-bit integer | |
| sccp.variable_pointer3 | Pointer to third Mandatory Variable parameter | Unsigned 8-bit integer | |