[asterisk-users] SIP trunk between two Asterisk servers

[Philipp von Klitzing]

Hi again!

> <--- SIP read from 192.168.250.111:5060 --->
> SIP/2.0 407 Proxy Authentication Required

You need to run the SIP debug on 192.168.250.111 to learn more about WHY 
the 407 is issued. Have a close look and you are likely to understand it 
right away.

Also: Do not forget the "reload" after applying changes to sip.conf.

Philipp