Patent ID: 11876759
Assignee: NOVASTONE MEDIA LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A communication system comprising:
a server and a plurality of clients constrained so that in order to communicate with each other by means of the system they communicate via the server, the server having access to a set of stored communication rules defining permitted, non-permitted, or both permitted and non-permitted communications between the clients,
the server being configured to alter, on receiving a message from a first client designating as recipients a second client and a third client, the first client matching a first set of characteristics stored in the communication rules and the second client and the third client being clients who are not permitted to directly communicate according to the communication rules, the communication rules to permit the second and third clients to directly communicate,
wherein the server is further configured to, in response to a predetermined time elapsing since the last direct communication between the second and third clients, alter the communication rules to revoke a permission of the second and third clients to directly communicate.