[asterisk-bugs] [JIRA] (ASTERISK-26988) user_eq_phone adds double user=phone parameters to URIs on re-Invite

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=236900#comment-236900 ] 

Asterisk Team commented on ASTERISK-26988:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> user_eq_phone adds double user=phone parameters to URIs on re-Invite
> --------------------------------------------------------------------
>
>                 Key: ASTERISK-26988
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26988
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: pjproject/pjsip
>    Affects Versions: 13.14.1
>         Environment: Debian/stretch with repository supplied Asterisk 13.14.1~dfsg-1
> There are no updates/patches for user_eq_phone either Debian specific or from 13.41.1 to 13.15 as far as I can see.
>            Reporter: dtryba
>            Severity: Minor
>
> Asterisk in a setup as proxy/sbc between customer and upstream provider, where upstream demands the use of user=phone for URIs containing phonenumbers. Only the endpoint definitions for upstream contain the "user_eq_phone = yes" option.
> INVITE from upstream to Asterisk. R-URI/To/From/PAI containt the user=phone params. INVITE from Asterisk to customer, the user=phone gets stripped from all URIs. The 1xx/200OK from customer lack user=phone, but gets added by Asterisk to upstream. So far so good.
> The customer endpoint is a fax, that re-INVITEs for t38. The re-INVITE lack user=phone. Asterisk adds "user=phone;user=phone" to relevant URIs
> Upstream provider answers with a "400 Bad Request" and the connection is terminated (by both upstream as Asterisk). 



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