[asterisk-bugs] [JIRA] (ASTERISK-25803) [patch] chan_sip: Optionally supply fromuser/fromdomain in SIP dial string

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team updated ASTERISK-25803:
-------------------------------------

    Target Release Version/s: 14.0.0

> [patch] chan_sip: Optionally supply fromuser/fromdomain in SIP dial string
> --------------------------------------------------------------------------
>
>                 Key: ASTERISK-25803
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25803
>             Project: Asterisk
>          Issue Type: New Feature
>      Security Level: None
>          Components: Channels/chan_sip/Interoperability
>            Reporter: Walter Doekes
>            Assignee: Walter Doekes
>            Severity: Minor
>      Target Release: 14.0.0
>
>         Attachments: all.txt, cleanup.sed, fromdomain.txt, fromuser-fromdomain.txt, fromuser.txt, none.txt, todomain.txt, touser-todomain.txt, touser.txt
>
>
> Hidden deep inside chan_sip.c, there is a feature that allows you to specify the To-URI at Dial time:
> {noformat}
>  *      SIP Dial string syntax:
>  *              SIP/devicename
>  *      or      SIP/username at domain (SIP uri)
> ...
>  *      and there is an optional [!dnid] argument you can append to alter the
>  *      To: header.
> {noformat}
> For example:
> {noformat}
> Dial(SIP/mydevice!touser at todomain.com)
> {noformat}
> will cause a SIP invite with {{To: <sip:touser at todomain.com>}} to be sent out.
> *I suggest we add the possibility to also supply the From-URI through the Dial string, like this*:
> {noformat}
>   *     and there is an optional [!dnid] argument you can append to alter the
> - *     To: header.
> + *     To: header. And after that, a [![fromuser][@fromdomain]] argument.
> + *     Leave those blank to use the defaults.
> {noformat}
> For example:
> {noformat}
> Dial(SIP/mydevice!touser at todomain.com!fromuser at fromdomain.com)
> {noformat}
> causing a SIP invite with {{To: <sip:touser at todomain.com>}} and {{From: <sip:fromuser at fromdomain.com>}} to get sent.
> *Why?* Because I need it. I don't think there is any way to specify the From-URI through the dialplan at this moment.
> *Why here?* Because it fits there nicely along with the {{!dnid}} setting that has existed there.
> All of the above settings after the first {{!}} are optional, except for: the todomain, but that was already the case before the suggested patch.
> *INCOMPATIBLE CHANGES*: the patch changes that an exclamation mark in the To-URI -- if anyone uses that -- would not work anymore, since it's now a delimiter.
> ----
> *Tests*: apart from using the feature, I also ran the following tests with {{channel originate}}.
> {noformat}
> for x in touser.txt touser-todomain.txt fromuser.txt fromuser-fromdomain.txt fromdomain.txt all.txt
>   do printf '*%s*\n{%s}\n' $x noformat; diff none.txt $x | grep '^[<>]'
>   printf '{%s}\n\n' noformat; done
> {noformat}
> *touser.txt*
> {noformat}
> < *CLI> channel originate SIP/1.2.3.4 application noop
> > *CLI> channel originate SIP/1.2.3.4!touser application noop
> < To: <sip:1.2.3.4>
> > To: <sip:touser at 1.2.3.4>
> {noformat}
> *touser-todomain.txt*
> {noformat}
> < *CLI> channel originate SIP/1.2.3.4 application noop
> > *CLI> channel originate SIP/1.2.3.4!touser at todomain application noop
> < To: <sip:1.2.3.4>
> > To: <sip:touser at todomain>
> {noformat}
> *fromuser.txt*
> {noformat}
> < *CLI> channel originate SIP/1.2.3.4 application noop
> > *CLI> channel originate SIP/1.2.3.4!!fromuser application noop
> < From: "Anonymous" <sip:anonymous at anonymous.invalid>;tag=TAG
> > From: "Anonymous" <sip:fromuser at anonymous.invalid>;tag=TAG
> < Contact: <sip:anonymous at 192.168.1.12:5060>
> > Contact: <sip:fromuser at 192.168.1.12:5060>
> {noformat}
> *fromuser-fromdomain.txt*
> {noformat}
> < *CLI> channel originate SIP/1.2.3.4 application noop
> > *CLI> channel originate SIP/1.2.3.4!!fromuser at fromdomain application noop
> < From: "Anonymous" <sip:anonymous at anonymous.invalid>;tag=TAG
> > From: "Anonymous" <sip:fromuser at fromdomain>;tag=TAG
> < Contact: <sip:anonymous at 192.168.1.12:5060>
> < Call-ID: RANDOM at 192.168.1.12:5060
> > Contact: <sip:fromuser at 192.168.1.12:5060>
> > Call-ID: RANDOM at fromdomain
> {noformat}
> *fromdomain.txt*
> {noformat}
> < *CLI> channel originate SIP/1.2.3.4 application noop
> > *CLI> channel originate SIP/1.2.3.4!!@fromdomain application noop
> < From: "Anonymous" <sip:anonymous at anonymous.invalid>;tag=TAG
> > From: "Anonymous" <sip:anonymous at fromdomain>;tag=TAG
> < Call-ID: RANDOM at 192.168.1.12:5060
> > Call-ID: RANDOM at fromdomain
> {noformat}
> *all.txt*
> {noformat}
> < *CLI> channel originate SIP/1.2.3.4 application noop
> > *CLI> channel originate SIP/1.2.3.4!touser at todomain!fromuser at fromdomain application noop
> < From: "Anonymous" <sip:anonymous at anonymous.invalid>;tag=TAG
> < To: <sip:1.2.3.4>
> < Contact: <sip:anonymous at 192.168.1.12:5060>
> < Call-ID: RANDOM at 192.168.1.12:5060
> > From: "Anonymous" <sip:fromuser at fromdomain>;tag=TAG
> > To: <sip:touser at todomain>
> > Contact: <sip:fromuser at 192.168.1.12:5060>
> > Call-ID: RANDOM at fromdomain
> {noformat}



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