[asterisk-bugs] [JIRA] (ASTERISK-20674) nat=force_rport, comedia does not behave the same as nat=yes

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-20674:
------------------------------------

    Assignee: headphones
      Status: Waiting for Feedback  (was: Reopened)

@headphones can you confirm if the latest patch from ASTERISK-21225 appears to resolve your issue? If it does not, can you confirm if the behavior has changed from your previously submitted log files and if you are able to reproduce it? (perhaps then submit a new log file and describe the current behavior).

If that patch does resolve the issue then we will close this out as a duplicate of ASTERISK-21225. 

If the patch does not resolve your issue and your issue is reproducible then we'll continue to investigate here with your new logs.
                
> nat=force_rport,comedia does not behave the same as nat=yes
> -----------------------------------------------------------
>
>                 Key: ASTERISK-20674
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20674
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Configuration
>    Affects Versions: 11.0.1
>         Environment: Gentoo Linux 64 bit PowerPC, kernel 3.6.1, GCC 4.5.3
>            Reporter: headphones
>            Assignee: headphones
>            Severity: Minor
>         Attachments: ASTERISK-20674_debug.diff, Asterisk-debug-1-nat-yes-outgoing.log, Asterisk-debug-2-nat-yes-incoming.log, Asterisk-debug-3-nat-forcerportcomedia-outgoing.log, Asterisk-debug-4-nat-forcerportcomedia-incoming.log
>
>
> After an upgrade from 1.8.17.0 to 11.0.1 we get warnings about the deprecation of nat=yes in sip.conf:
> {{\[Nov 10 14:02:14\] WARNING\[28487\]: sip/config_parser.c:812 sip_parse_nat_option: nat=yes is deprecated, use nat=force_rport,comedia instead}}
> If we change to nat=force_rport,comedia the behavior seems to be fine, except for outside users behind NAT. Our server is also behind NAT.
> When an outside NAT:ed user calls in to the network everything works as expected, but when calling the outside user, or when two outside NAT:ed users call each other, the audio only goes one way without any errors shown in the console. When changing back to nat=yes, everything work again.
> By looking in the source code for sip/config_parser.c, it seems like the reason for the difference is that when using sip=yes, the auto_force_rport and auto_comedia are cleared from &flags\[2\]. However, when using force_rport,comedia, the auto equivalents are not cleared away.

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