My experiance say that Call-ID change is required to prevent message loops. Looks like need to use other header or field to correlate messages. вт, 14 нояб. 2017 г., 13:44 Marko Djuric <Marko.Djuric@amphinicy.com>:
Hi all,
We're using mod_sms for SIP SIMPLE messaging with delivery notifications (message/imdn+xml). The Call-ID is changed in the chatplan, and this causes issues with matching the delivery notifications to the original message.
Changing the Call-ID itself is not an issue, but I'm wondering if it is possible to read the original Call-ID and/or manually set the Call-ID in the chatplan.
The message:getHeader("sip_call_id") does not contain the Call-ID. My understanding is that this is due to skip_global_process=false variable set by mod_sms. Setting the sip_call_id variable also does not produce a desired effect, as it is added as another header instead of setting the Call-ID one.
The question is - how to match the messages before and after the chatplan?
Any help is appreciated.
Thank you! Marko
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