[asterisk-bugs] [JIRA] (ASTERISK-23584) PJSIP 'Unable to create channel' when attempting to call from endpoint with UDP transport to one using WebSockets

[Joshua Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua Colp reassigned ASTERISK-23584:
--------------------------------------

    Assignee: Joshua Colp

> PJSIP 'Unable to create channel' when attempting to call from endpoint with UDP transport to one using WebSockets
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-23584
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23584
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip, Resources/res_pjsip
>    Affects Versions: SVN, 12.1.1
>         Environment: Asterisk SVN-branch-12-r411670M
> WebRTC style configuration on LAN only. No STUN involved.
>            Reporter: Rusty Newton
>            Assignee: Joshua Colp
>         Attachments: configs.txt, pjsip_debug.patch
>
>
> Found while testing WebRTC style configuration with a SIPML5 endpoint
> Configure two endpoints:
> Endpoint A: Uses a UDP transport
> Endpoint B: Uses a WebSockets transport (and other configuration as shown in config.txt)
> Call from A to B, cal fails with:
> {noformat}
> [Apr  3 18:30:44] WARNING[30845][C-00000002]: app_dial.c:2428 dial_exec_full: Unable to create channel of type 'PJSIP' (cause 3 - No route to destination)
>   == Everyone is busy/congested at this time (1:0/0/1)
> {noformat}
> Mark Michelson provided a debug patch so we can see a little more what is happening:
> {noformat}
>     -- Executing [6002 at from-internal:1] Dial("PJSIP/6001-00000002", "PJSIP/6002,15") in new stack
> [Apr  3 18:30:44] NOTICE[30469]: res_pjsip_session.c:1209 ast_sip_session_create_outgoing: Using AOR list from endpoint as basis for location
> [Apr  3 18:30:44] NOTICE[30469]: res_pjsip.c:1527 ast_sip_create_dialog_uac: Failed to get transport selector for this endpoint
> [Apr  3 18:30:44] NOTICE[30469]: res_pjsip_session.c:1237 ast_sip_session_create_outgoing: Error creating SIP dialog
> [Apr  3 18:30:44] WARNING[30845][C-00000002]: app_dial.c:2428 dial_exec_full: Unable to create channel of type 'PJSIP' (cause 3 - No route to destination)
>   == Everyone is busy/congested at this time (1:0/0/1)
> {noformat}
> I will attach the pjsip.conf config in config.txt and Mark's patch in pjsip_debug.patch



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