[asterisk-bugs] [JIRA] (ASTERISK-25986) chan_sip: Wrong request line with IMS and Proxy - Asterisk should be using loose routing, but it isn't?

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=230525#comment-230525 ] 

Rusty Newton commented on ASTERISK-25986:
-----------------------------------------

This does look like an issue, so I'm going to open it up. I'm not sure if the registration storage plays into or not. Whoever looks into this deeper will have to examine that.

> chan_sip: Wrong request line with IMS and Proxy - Asterisk should be using loose routing, but it isn't?
> -------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-25986
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25986
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 11.22.0-rc1, 13.8.2
>         Environment: RasPbx
>            Reporter: Steve Akerman
>         Attachments: Issue Log.txt
>
>
> Follow on from issue Asterisk-24509
> If setting up a trunk to an IMS where the registrar is behind a P-CSCF and not reachable directly, after initial registration, all INVITE and OPTION messages use the proxy domain and not the registrar domain. These are ignored by the P-CSCF and timeout after defined retransmits.
> FromDomain is set to REGISTRAR and used in FROM header, but proxy is used in Request-Line and To header.
> OutboundProxy cannot be set to REGISTRAR as DNS fails.
> Impact is that Outbound fails, and Inbound works until the registrar drops because of no keep-alives. Trunk is unusable.
> X-Lite, and Telephone can both be configured to work correctly (i.e. use the correct domain in RequestLine and To:Header.
> Registration is not an issue.
> Registrar: ims.mnc010.mcc208.3gppnetwork.org
> Proxy: internet.p-cscf.sfr.net
> {noformat}
> type=peer
> secret=MYPASS
> remotesecret=MYPASS
> port=5064
> outboundproxy=internet.p-cscf.sfr.net:5064,force
> media_address=MYPUBLICIP
> insecure=invite,port
> host=ims.mnc010.mcc208.3gppnetwork.org
> fromuser=+3399XXXXXXXXXX
> fromdomain=ims.mnc010.mcc208.3gppnetwork.org
> defaultuser=+3399XXXXXXXXXX at ims.mnc010.mcc208.3gppnetwork.org
> context=from-trunk
> canreinvite=no
> auth=NDIXXXXXXXXXX.LIBERTALK at sfr.fr:MYPASS at ims.mnc010.mcc208.3gppnetwork.org
> {noformat}



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