CPC Subgroup
H04L 51/21 Monitoring or handling of messages
Full Title
User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail > Monitoring or handling of messages
8 direct subcodes
Child Classifications
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- H04L 51/212 using filtering or selective blocking
- H04L 51/214 using selective forwarding
- H04L 51/216 Handling conversation history, e.g. grouping of messages in sessions or threads
- H04L 51/222 using geographical location information, e.g. messages transmitted or received in proximity of a certain spot or area
- H04L 51/224 providing notification on incoming messages, e.g. pushed notifications of received messages
- H04L 51/226 Delivery according to priorities
- H04L 51/23 Reliability checks, e.g. acknowledgments or fault reporting
- H04L 51/234 for tracking messages