On Tue, Feb 11, 2020 at 08:03:29AM +0900, mayamatakeshi wrote:
Actually, my idea was to do something like this before handing the REGISTER to registrar save() function: remove_hf("Expires"); append_hf("Expires: 200\r\n"); However, this didn't work (or at least, it doesn't work with kamailio 4.3.7 which is the one I use).
These changes aren't applied to the processing of the current message until you call msg_apply_changes().
Try adding and see if it works.