I hit a a brick wall.
[Jan 1 08:37:21] WARNING: chan_sip.c:1787 __sip_xmit: sip_xmit of 0x24fb904 (len 468) to 220.127.116.11:5060 returned -2: Bad file descriptor
[Jan 1 08:37:21] WARNING: acl.c:548 ast_ouraddrfor: Cannot connect
Reliably Transmitting (NAT) to 18.104.22.168:5060:
Via: SIP/2.0/UDP 0.0.0.0:5060;branch=z9hG4bK2a7fdb5b;rport
From: “asterisk” sip:email@example.com;tag=as47055808
I have been trying to connect a PX local behind an ADSL router to another one with a public IP for the last 6 months and I have read the documentation in here and am not making head way.
For starters the local PBX is failing to register with the public one.
I have setup externhost = dynamic dns
Version - 22.214.171.124