[asterisk-bugs] [JIRA] (ASTERISK-19092) cisco phone 79xx can't register

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-19092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp updated ASTERISK-19092:
-----------------------------------

    Asterisk Issue Guidelines: Yes.
                   Issue Type: Bug  (was: Sub-task)
            Affects Version/s: 11.25.3
                       Parent:     (was: ASTERISK-18862)

> cisco phone 79xx can't register
> -------------------------------
>
>                 Key: ASTERISK-19092
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-19092
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: . I did not set the category correctly.
>    Affects Versions: 11.25.3
>         Environment: N/A
>            Reporter: Ludovic LEVET
>
> Config change of sip.conf related to AST-2011-013 nat=yes.
> Now cisco phone 79xx are not enable to register.
> The key issue with these phones and asterisk is that they WILL NOT WORK if you have nat=yes anywhere in your sip definition for that phone. This is because the Cisco 79×x phones send their SIP traffic from a very high source port, however they will only accept responses from port 5060 (or whatever you've defined in the .cnf.xml file). Asterisk, however, will try to send it's responses back on the source port that traffic arrived on if nat=yes is set. 



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