[asterisk-bugs] [JIRA] (ASTERISK-20234) SRTP not working with some devices (Eg snom320) - Message "We are requesting SRTP for audio, but they responded without it!"

[Walter Doekes (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Walter Doekes updated ASTERISK-20234:
-------------------------------------

    Attachment: ASTERISK-20234_ignore_snom_optional_crypto.patch

Here's an alternate fix to the problem: the crypto is ignored but the call is not rejected. That keeps behaviour for the SNOM phones as if res_srtp wasn't enabled.

> SRTP not working with some devices (Eg snom320) - Message "We are requesting SRTP for audio, but they responded without it!"
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20234
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20234
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/SRTP
>    Affects Versions: 10.7.0
>         Environment: RHEL5 linux 2.6.18-308.11.1.el5
>            Reporter: tootai
>            Assignee: tootai
>         Attachments: ASTERISK-20234_ignore_snom_optional_crypto.patch, asterisk-20234-sip.conf, full, srtp_patches_Asterisk12.diff, srtp_patches.diff
>
>
> As you can see, snom 320 (latest stable firmware snom320-SIP 8.7.3.10) is annoncing crypto but asterisk doesn't recognize it.
> [Edit by Rusty Newton - removed debug excerpt since full log is now attached]
> And call is not accepted
> -- 
> Daniel



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