PJSIP – Sessions-timers Support Not Working On 13.X

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Asterisk Users 4 Comments

Hi guys i was trying to get working sessions-timer over PJSIP channel i was trying to see what is supported or not about this features on the new pjsip channel since chan_sip was kind of flexible on this , at the moment since wiki says pjsip support 4 modes of operation (forced, no, required, yes) but if i try to change any of the timers parameters (timers, timers_min_se or timers_sess_expiries) the pjsip channel doesn’t load the endpoint or even not load the well the channel this happens on 13.1, 13.2 and 13.3.

should i enable something different of normal variables on pjsip.conf ?

Thanks Javier Riveros.

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4 thoughts on - PJSIP – Sessions-timers Support Not Working On 13.X

  • Gosmac wrote:

    What is the exact configuration of the endpoint, and what is output on the CLI? As well – you have one of the parameters incorrect above. It’s timers_sess_expires, not timers_sess_expiries. If that is incorrect in your configuration this would be considered invalid and thus it would not load.

    Cheers,

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    Joshua Colp Digium, Inc. | Senior Software Developer
    445 Jan Davis Drive NW – Huntsville, AL 35806 – US
    Check us out at: http://www.digium.com & http://www.asterisk.org

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  • Hi Josua, Sorry for writing wrong the parameter but i just copy paste the examples on pjsip.conf it wasn’t a “typo” error of timers parameters, i have an error on global tag and can’t load the timers I was getting this :

    [Apr 29 17:21:49] WARNING[16144]: config.c:1796 process_text_line: parse error: No category context for line 631 of /etc/asterisk/pjsip.conf

    after fix global issue

    [105]
    type=aor max_contacts=1
    remove_existing=yes

    [105]
    type=auth auth_type=userpass password=XXXXXXXX
    username=105

    [105]
    type=endpoint disallow=all allow=ulaw allow=alaw context=video-test auth=105
    aors=105
    direct_media=no force_rport=yes rewrite_contact=yes transport=transport-udp-nat media_encryption=no ice_support=no timers_min_se=90 ; Minimum session timers expiration period (default:; “90”)
    timers=required ; Session timers for SIP packets (default: “yes”)
    timers_sess_expires=3600 ; Maximum session timer expiration period

    now get things working and i could see how this behave.

    Thanks Regards

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  • Ok , digging more into this i could see that (timers=no) and (timers=forced) not work asterisk not pay attention to this options when is reloaded cli not say anything and when the pjsip show endpoint it show always timers=yes when (timers=no) and (timers=forced) to that endpoint.

    I wonder to force asterisk to refresh the session in some cases when is needed .

    pjsip is able to refresh the session ?

    Cheers

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