DIFF Subgroup
H04L 51/08 Annexed information, e.g. attachments
Introduced: January 2022
Full Title
User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail > characterised by the inclusion of specific contents > Annexed information, e.g. attachments
No child classifications to compare. This is a leaf node in both IPC and CPC.