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"Routines for Packet Forwarding Control Protocol (PFCP)" dissection (epan/dissectors/packet-pfcp.c) is implemented using the spec Ref 3GPP TS 29.244 V18.3.0 (2023-09-20).

packet-pfcp.c:

    { 245, "Packet Delay Thresholds"},         /* Extendable / Clause 8.2.169 */

Which come from the spec. Here is ETSI TS 129 244 V17.9.0 (2023-07) which shows the field on page 337:

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"Routines for Packet Forwarding Control Protocol (PFCP)" dissection (epan/dissectors/packet-pfcp.c) is implemented using the spec Ref 3GPP TS 29.244 V18.3.0 (2023-09-20).

packet-pfcp.c:

    { 245, "Packet Delay Thresholds"},         /* Extendable / Clause 8.2.169 */

Which come from the spec. Here is ETSI TS 129 244 V17.9.0 (2023-07) which shows the field on page 337:

image description

It's on the vendors to use the proper range:

IE type values within the range of 32768 to 65535 are used for vendor-specific IE and the value allocation is controlled by the vendor.

Which you could then add with a lua script.

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