[SR-Users] Drop 200OK re-transmissions of suspended transaction

Hi All, I started playing with async kamailio feature, in particular using "async_route" function provided by ASYNC module (https://www.kamailio.org/docs/modules/5.1.x/modules/async.html#async.f.asyn…). My scenario is the following:  - A calls B  - B answer the call  - inside onreply_route[reply] I catch the 200OK message and I suspend the transaction for X seconds.  - after X seconds the transaction is resumed and the call continues as expected Everything looks good, but I encountered an issue trying to drop reply re-transmission messages. My desire is to drop all the messages received from B (basically 200OK re-transmissions) meanwhile the transaction is suspended. I tested "t_is_retr_async_reply" function provided by TM module (https://www.kamailio.org/docs/modules/5.1.x/modules/tm.html#tm.f.t_is_retr_…), but I'm not able to get it worked as expected:  - t_is_retr_async_reply() function can be used only inside named 'onreply_route' (no default 'onreply_route' or standard 'reply_route')  - drop() function, on the contrary, doesn't allow to drop 200OK messages inside named 'onreply_route' (but only in default 'onreply_route' or standard 'reply_route'). Do you have any suggestion on how I can achieve my task? Thank you very much for your support. Marco