Вот что вижу в логах:
[2022-10-17 13:15:57] NOTICE[7168] res_pjsip_session.c: anonymous: Call (UDP:107.172.206.115:59422) to extension ‘4810970567545354’ rejected because extension not found in context ‘public-direct-dial’.
[2022-10-17 13:28:03] NOTICE[7168] res_pjsip_session.c: anonymous: Call (UDP:95.216.117.20:58640) to extension ‘1259300972592788877’ rejected because extension not found in context ‘public-direct-dial’.
[2022-10-17 13:35:32] NOTICE[7168] res_pjsip_session.c: anonymous: Call (UDP:107.172.206.115:63710) to extension ‘40810970567545354’ rejected because extension not found in context ‘public-direct-dial’.
[2022-10-17 13:55:49] NOTICE[7168] res_pjsip_session.c: anonymous: Call (UDP:107.172.206.115:52795) to extension ‘400180970567545354’ rejected because extension not found in context ‘public-direct-dial’.
Вот что вижу в pjsip.conf
[anonymous]
type = endpoint
allow = ulaw
allow = alaw
language=en-en
timers = no
context = public-direct-dial
