@miconda and @henningw, with 5.6 branch updates through bfc5c2aa, all is well again. I'll continue to watch and will create new issues if any arise. Otherwise, since the "issue" in this report is now resolved in the 5.6 branch, I will close. Thank you for the backport.
``` kamailio[214299]: INFO: acc [acc_cdr.c:392]: log_write_cdr(): start_time=1664327780.622; end_time=1664327803.902; duration=23.280; callid=0_1343402902@fd00:a::215:65ff:fe9e:e168 ``` ``` kamailio=# SELECT id, start_time, end_time, duration, callid FROM acc_cdrs ORDER BY id DESC LIMIT 1; id | start_time | end_time | duration | callid -------+---------------------+---------------------+----------+----------------------------------------- 24881 | 2022-09-27 20:16:20 | 2022-09-27 20:16:43 | 23.28 | 0_1343402902@fd00:a::215:65ff:fe9e:e168 ```