Here is a list of all documented namespace enum values with links to the namespaces they belong to:

- u -

• UnknownCommandTag : ts::tlv
• UnknownParameterTag : ts::tlv
• Unreferenced_PID : ts::tr101290
• UnsupportedVersion : ts::tlv
• URI_LINKAGE_DVB_I : ts
• URI_LINKAGE_IPTV_SDnS : ts
• URI_LINKAGE_MRS : ts
• URI_LINKAGE_ONLINE_SDT : ts