cli showing unknown sip registration in asterisk -

cli showing unknown sip registration in asterisk -

i using asterisk 11.9.0 works fine cli shows unknown sip registrations current code running cli output

-- hungup 'dahdi/i1/9560790782-2fd2' [jun 24 14:55:24] notice[3637]: chan_sip.c:25757 handle_request_register: registration '"4001" <sip:4001@182.74.197.19:5060>' failed '37.8.47.82:22939' - wrong password [jun 24 14:55:25] notice[3637]: chan_sip.c:25757 handle_request_register: registration '"3822" <sip:3822@182.74.197.19:5060>' failed '37.8.47.82:23187' - wrong password [jun 24 14:55:29] notice[3637]: chan_sip.c:25757 handle_request_register: registration '"5555" <sip:5555@182.74.197.19:5060>' failed '37.8.47.82:22848' - wrong password

how can remove because dialplan taking much time execute compared past. help appreciated.

very likly automated programs(bots) goal find secrets/on success phone call out republic of cuba or other costly destinations.

every asterisk installation need have @ to the lowest degree rate limiter - fail2ban.org used. prevent bots spamming fast.

sip asterisk voip