Using example

[chiefMarlin]

Hey, im playing around with the proxy, im trying to put in in between an asterisk box and a sip client, however none of the messages make it through

proxysip % go run . -ip=127.0.0.1:55600 -dst 111.111.11.111:55600

Nov 10 15:35:56.865082 INF Runtime cpus=8
Nov 10 15:35:56.865839 INF Server routes setuped
Nov 10 15:35:56.866605 INF Http server started address=:8080
Nov 10 15:36:00.598282 WRN Server > SIP request handler not found
Nov 10 15:36:00.598282 WRN Server > SIP request handler not found
Nov 10 15:36:03.683762 ERR RequestWithContext failed error="udp conn 127.0.0.1:55600 err. write udp 127.0.0.1:55600->111.111.11.111:55600: sendto: can't assign requested address. transaction transport error"
Nov 10 15:36:04.183834 ERR RequestWithContext failed error="udp conn 127.0.0.1:55600 err. write udp 127.0.0.1:55600->111.111.11.111:55600: sendto: can't assign requested address. transaction transport error"
Nov 10 15:36:05.185031 ERR RequestWithContext failed error="udp conn 127.0.0.1:55600 err. write udp 127.0.0.1:55600->111.111.11.111:55600: sendto: can't assign requested address. transaction transport error"
Nov 10 15:36:07.188550 ERR RequestWithContext failed error="udp conn 127.0.0.1:55600 err. write udp 127.0.0.1:55600->111.111.11.111:55600: sendto: can't assign requested address. transaction transport error"
Nov 10 15:36:10.769874 WRN Server > SIP request handler not found
Nov 10 15:36:11.193927 ERR RequestWithContext failed error="udp conn 127.0.0.1:55600 err. write udp 127.0.0.1:55600->111.111.11.111:55600: sendto: can't assign requested address. transaction transport error"

[emiago]

the -ip parameter represents external IP so try using your external inteface IP (non loopback)