[asterisk-bugs] [JIRA] (ASTERISK-22745) chan_sip call setup very slow or fails when STUN server not available

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-22745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=211231#comment-211231 ] 

Matt Jordan commented on ASTERISK-22745:
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That works around the problem for peers that don't need ICE or are configured to not use ICE; however, that doesn't actually fix the problem, which is that {{chan_sip}} blocks whenever an operation it depends on blocks.

I'm not sure there is a long term fix for this in {{chan_sip}}, given its single threaded architecture.
                
> chan_sip call setup very slow or fails when STUN server not available
> ---------------------------------------------------------------------
>
>                 Key: ASTERISK-22745
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22745
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General, Resources/res_rtp_asterisk
>    Affects Versions: 12.0.0-beta1
>         Environment: Ubuntu 10.04
>            Reporter: Michael Walton
>
> Asterisk 12 compiled with chan_pjsip and chan_sip enabled. Call setup to or from chan_sip peer takes 10 seconds or more. To reproduce:
> * Enable icesupport in rtp.conf
> * Use an unreachable STUN server address for stunaddr, or disconnect WAN
> * Disable icesupport in sip.conf for a chan_sip peer that does not require STUN, e.g. local phone
> * Dial to or from phone

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