[OpenSIPS-Users] Feature request - RFC 3994 and RFC 5438 support for instant messaging

[Svyatoslav Bendersky]

Hello Robert, github ticket https://github.com/OpenSIPS/opensips/issues/2061 volga629 On Apr 22, 2026, at 2:47 PM, Robert Dyck <rob.dyck at telus.net> wrote: Why this might be useful. Given that there is a UA that utilizes xml content type of "application/im- iscomposing+xml" ( RFC 3994 ) and opensips is configured with module msilo this results in much useless messaging. The UA sends frequent "iscomposing" messages while the user is typing. If the desired recipient is not registered, opensips stores these meaningless messages and a 202 OK response is sent. Furthermore opensips may be configured to respond with a MESSAGE to indicate that a message had been stored. Now the UA sends a "message/imdn+xml" ( RFC 5438 ) that indicates it had received the message from opensips. There are many messages exchanged that do not accomplish anything and opensips stores garbage in the silo. There will be another flood when the recipient registers. There are no script features to examine the xml contents. If the useless messages could be detected then they could be ignored. Perhaps a module inspired by presence-xml called IM-xml. _______________________________________________ Users mailing list Users at lists.opensips.org http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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