[asterisk-users] Yet another problem with incoming SIP calls and 407

[Eric "ManxPower" Wieling]

Wolfgang Zweimueller wrote:
> Hi all,
> 
> when I receive incoming SIP calls on my Asterisk (1.2.9.1) where the
> caller has a username in it's From-Address which also exists in my
> sip.conf then my system answers with "407 Proxy Authentication
> Required". If it's nonexistent username then callin works fine!
> 
> It seems that this is a problem in the SIP implementation of Asterisk
> and found a few hints on how to resolve this (allowguest=yes,
> insecure=invite,port etc.). But none of them does help!
> 
> Can anyone suggest what I else could try?

in sip.conf [general]  context=INVALID

Then put the correct context= line for each sip user/friend/peer. 
Unauthenticated calls use the options in [general]

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