On Fri, Mar 1, 2019, at 3:05 PM, Brian J. Murrell wrote:
> I'm being told by my ITSP that my Asterisk shouldn't be challenging
> their system to authenticate (i.e. a 401 response) when they send me a
> SIP MESSAGE (or I suppose a SIP INVITE for that matter).
> 
> But I'm not sure what a pjsip.conf configuration for that looks like.
> 
> How does one associate an incoming call/message with an existing
> authenticated outgoing registration so that Asterisk doesn't return a
> 401 requiring authentication?

You either configure IP based matching using an identify section[1] or you can 
try line functionality on the outbound registration which may or may not 
work[2] (requires the upstream to adhere to the RFC, which not all do).

[1] https://wiki.asterisk.org/wiki/display/AST/res_pjsip+Configuration+Examples
[2] 
https://blogs.asterisk.org/2016/01/27/the-pjsip-outbound-registration-line-option/

-- 
Joshua C. Colp
Digium - A Sangoma Company | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org

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