| 摘要 |
Telecommunication systems comprising terminals ( 1 ) and network-units ( 10 ) for exchanging messages via messaging servers ( 11 ) for client-to-client information are provided with detectors ( 7,14 ) for detecting control instructions and generators ( 6,15 ) for generating control instructions. The messages are provided with these control instructions for controlling interactions between terminals ( 1 ) and network-units ( 10 ). As a result, messaging servers ( 11 ) can now control different kinds of interactions in as well as across different kinds of networks. Said messages further comprise origin and destination identifications. Said control instructions comprise authentication instructions for authenticating said interaction, capability instructions or set up instruction for setting up a communication. Said messages can be in the form of XML messages. Bridging servers ( 30 ) bridge the gap between parties which can communicate with messaging servers ( 11 ) and parties which cannot.
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