hi!
You may try to use  " msg_apply_changes()";

    if ( is_method('PUBLISH') ){
        replace_body_all("sip:300", "sip:3000000");
        msg_apply_changes();
        handle_publish();
    }

if you use  pua_dialogi
 msg_apply_changes()

Bye the way, some presence parameters you may set via AVPs before processing, like
modparam("pua_dialoginfo", "use_pubruri_avps", 1)
modparam("pua_dialoginfo", "pubruri_caller_avp", "$avp(puburis_caller)")
modparam("pua_dialoginfo", "pubruri_callee_avp", "$avp(puburis_callee)")




2017-12-26 15:34 GMT+03:00 Володимир Іванець <volodyaivanets@gmail.com>:
Hello!

I am trying to modify PUBLISH packet before handle_publish function execution. The best what I could think of is to make all required changes, update Destination URI to the Kamailio itself and then send it. In this case Kamailio will receive another PUBLISH packet with modified values.

I was wondering someone knows cleaner way of achieving this.

Thanks!

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Savolainen Dmitri