[BUG]There is statistical error in qrouting module

[fengzstrong]

OpenSIPS version you are running

version: opensips 3.2.3 (x86_64/linux)
flags: STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, HP_MALLOC, DBG_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535
poll method support: poll, epoll, sigio_rt, select.
git revision: f953b30a0
main.c compiled on 13:04:13 Nov  5 2021 with gcc 8

Describe the bug

If outbound gateway end call by 480(or other codes > 400), ASR and CCR will be accounted twice

To Reproduce

1. Use qrouting module
2. Make a call, and end call by 480
3. Use cmd 'opensips-cli -x mi qr_status'

{
    "Partitions": [
        {
            "Name": "Default",
            "Rules": [
                {
                    "Id": 1,
                    "Destinations": [
                        {
                            "Gateway": {
                                "GWID": "outbound_02",
                                "ASR": "-1.00/2",
                                "CCR": "-1.00/2",
                                "PDD": "-1.00/0",
                                "AST": "-1.00/0",
                                "ACD": "-1.00/0"
                            }
                        }
                    ]
                }
            ]
        }
    ]
}

Expected behavior

Just account once.

It may be related to the callback function here

[github-actions]

Any updates here? No progress has been made in the last 15 days, marking as stale. Will close this issue if no further updates are made in the next 30 days.

[github-actions]

Marking as closed due to lack of progress for more than 30 days. If this issue is still relevant, please re-open it with additional details.