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

[Bogdan-Andrei Iancu]

Somehow the ideas diverge, an xml aware variable (as $json), versus a 
new presence module...

Not sure which one has more weight ....

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
   https://www.siphub.com


On 4/24/26 16:27, Svyatoslav Bendersky via Users wrote:
> 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.
>>
>>
>>
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>
>
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