Dear! Thanks for your reply!
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The initial idea was to publish a "private" server reachable using one of my domains offering a text chat (via web there will be some APIs webChat).
The primary step I'd like to obtain is a "pingable" server (I suppose via AX.25). The services will arrive in a second step... I have some services to expose (already exposed on the network), a BBS, a messaging system (this system can send mail to external too, and receive from external). There is no shortage of ideas :)
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