[asterisk-bugs] [JIRA] (ASTERISK-28211) Path-Header is used for OPTIONS but not for INVITE

[Sebastian Denz (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=245762#comment-245762 ] 

Sebastian Denz commented on ASTERISK-28211:
-------------------------------------------

You are right!

My Dialplan is as simple as this at the moment:

exten => 123,1,Dial(${PJSIP_DIAL_CONTACTS(denzs)})
same => n,Hangup()

Removing PJSIP_DIAL_CONTACTS does the trick... :-/

What a pity, is was looking forward to be able to have multiple contacts and use the edge proxy without calling various dedicated endpoints so much :-/

But anyhow thank you very much!

> Path-Header is used for OPTIONS but not for INVITE
> --------------------------------------------------
>
>                 Key: ASTERISK-28211
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28211
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip
>    Affects Versions: 16.0.0
>         Environment: Asterisk 16.0.1 on Debian 9
>            Reporter: Sebastian Denz
>            Assignee: Sebastian Denz
>              Labels: pjsip
>         Attachments: asterisk_path_issue_cli_log.txt
>
>
> I am using Kamailio as Edgeproxy between my phones and Asterisk.
> In this scenario Kamailio terminates a TLS Connections, checks the client certificate and sets a custom Header to help Asterisk to identify the corresponding endpoint. Which is working fine so far.
> As Asterisk is not able to reach the phones directly, the Path Header is set by Kamailio.
> The AORs for the phones have support_path set to true.
> A few days before, the whole setup was running fine, but in the meantime the Handling of the Path-Header stopped working.
> I am not aware of any relevant changes in the setup and i tried to rollback to a version which was known to work.
> But when calling from one phone to another, Asterisk does not evaluate the Path-Header for the target endpoint anymore...
> This is the case for INVITE Routing using Dial(), sending OPTIONS is working fine and the Path leads to a set Route-Header in the outgoing OPTIONS packet...
> For debugging purposes i added some more logging in res_pjsip_path.c to see when the functions are called in the CLI.
> Due to that i can tell, that the contact Parameter for path_outgoing_request() is NULL in that case...
> Unfortunately i am not able to dig deeper to find the reason for that.
> Seems to be the same like https://community.asterisk.org/t/wrong-d-uri-for-invites-with-pjsip-and-path/74079
> But at least at the moment the problem is reproducable.. So i would appreciate any hints for further debugging or fixes of course! ;)



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