While tracking down a pretty scary SIP issue related to SIP Session Timers, a PBX of a well known vendor doing some strange things in it's replies to in-dialog requests from the opposite site and a bug in OpenSIPS uac_replace_from() function, I've written a short route ripping out SST announcements of SIP INVITE requests.
As I'm pretty sure such thing could be useful to others to, I'd like to publish it here: