Here is my sip debug.
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[Mar 29 11:19:44] NOTICE[2727]: chan_sip.c:23510 handle_request_invite: Call from '35238' (162.217.100.10:5060) to extension '2xx.xxx.xxx.xxx' rejected because extension not found in context 'trunkinbound'.
[Mar 29 11:19:44] Scheduling destruction of SIP dialog
'50293031767eb4361cac975d7d6a65e1@72.251.228.147:5080' in 13696 ms (Method: INVITE)
[Mar 29 11:19:44] Retransmitting #1 (NAT) to 162.217.100.10:5060:
SIP/2.0 404 Not Found
Via: SIP/2.0/UDP 162.217.100.10;branch=z9hG4bK019e.753795f1.0;received=162.217.100.10;rport=5060
Via: SIP/2.0/UDP 72.251.228.147:5080;branch=z9hG4bK6f5dd1c4;rport=5080
From: unknown <sip:2396764132@162.217.100.10>;tag=as07cda6c1
To: <sip:2xx.xxx.xxx.xxx>;tag=as05b1bc3b
Call-ID:
50293031767eb4361cac975d7d6a65e1@72.251.228.147:5080CSeq: 102 INVITE
Server: Asterisk PBX 1.8.23.0-vici
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Content-Length: 0
ViciBox v.5.0.2-130807 | BUILD: 130809-1410 | SVN Version: 2019 | Asterisk: 1.8.23-vici
64bit Single Server/ ISO Preload Install
Inbound/Blended