[Freeswitch-users] INVITE and hangup in the middle of a call

Michael Jerris mike at jerris.com
Thu May 21 07:19:11 MSD 2015 

See my previous suggestion earlier in this thread

On Wednesday, May 20, 2015, Oleg Stolyar <olegstolyar at gmail.com> wrote:

> I looked at my logs more carefully and noticed that FS sends such
> re-INVITES for many of my calls but not all.  It is always sent about one
> minute after the call is established, so it's probably not based on session
> timer, right?
>
> In most cases when it's sent JsSip answers with a 100 Trying.  In this
> case the call stays on.  In some rare cases JsSip does not respond and FS
> disconnects the call with NORMAL_TEMPORARY_FAILURE we see in the log
> above.
>
> I will investigate why JsSip sometimes does not respond but I would still
> like to figure out why FS is sending those re-INVITES to begin with?
>
> I thought it could be happening if JsSip does not respond to OK with an
> ACK but that's not the case.  The ACK is there for these calls.
>
> There is a variable nonce-ttl in the sip profile that defaults to 60
> seconds.  Perhaps it has something to do with that?  This profile does not
> require authentication or registration at all, though.
>
> On Wed, May 20, 2015 at 7:40 AM, Oleg Stolyar <olegstolyar at gmail.com
> <javascript:_e(%7B%7D,'cvml','olegstolyar at gmail.com');>> wrote:
>
>> But isn't that based on the session-timeout param which defaults to 30
>> min?  My re-invites occur much sooner than 30 min into a call.  Or does
>> session-timeout param only control sessions initiated by FS while incoming
>> sessions use the minimum-session-expires param if it's not explicitly
>> passed by the session initiator?
>>
>> On Tue, May 19, 2015 at 11:40 PM, Michael Jerris <mike at jerris.com
>> <javascript:_e(%7B%7D,'cvml','mike at jerris.com');>> wrote:
>>
>>> session timer
>>>
>>>
>>> On Tuesday, May 19, 2015, Oleg Stolyar <olegstolyar at gmail.com
>>> <javascript:_e(%7B%7D,'cvml','olegstolyar at gmail.com');>> wrote:
>>>
>>>> Thanks Michael, I'll see if we can do that!
>>>>
>>>> So, is the re-INVITE legit and the problem is that JsSip does not
>>>> respond to it?  Still, I am curious what is triggering the re-INVITE.
>>>>
>>>> On Tue, May 19, 2015 at 8:05 PM, Michael Jerris <mike at jerris.com>
>>>> wrote:
>>>>
>>>>> I think the sip.js guys fixed this issue when they forked jssip.  I'd
>>>>> suggest using that.
>>>>>
>>>>> > On May 19, 2015, at 10:01 PM, Oleg Stolyar <olegstolyar at gmail.com>
>>>>> wrote:
>>>>> >
>>>>> > Hi guys,
>>>>> >
>>>>> > Several weeks ago I started getting an occasional problem where FS
>>>>> is sending an INVITE to the other side in the middle of a call, the other
>>>>> side does not respond and FS hangs up the leg.  Below is the relevant log.
>>>>> The user experience is that they keep talking and hearing each other up to
>>>>> the very end.  I have a recording of that call, so can confirm.
>>>>> >
>>>>> > The call uses WebRTC and is originated by JsSip from Chrome.  Then
>>>>> the user is put into a conference but I doubt it's relevant in this case
>>>>> since the INVITE and disconnect are not happening from mod_conference
>>>>> >
>>>>> > I suspect it's a re-INVITE but what triggers FS to send it?  I
>>>>> couldn't find anything in the logs that could shed light.
>>>>> >
>>>>> > send 1625 bytes to wss/[##.##.##.##]:50292 at 00:00:19.702933:
>>>>> >
>>>>> ------------------------------------------------------------------------
>>>>> >    INVITE sip:dj012n41 at u40rf5qikah5.invalid;transport=ws;ob SIP/2.0
>>>>> >    Via: SIP/2.0/WSS 10.97.158.232:5067;branch=z9hG4bK7Xm4tjevU45Sr
>>>>> >    Max-Forwards: 70
>>>>> >    From:
>>>>> <sip:answer-c4e14a20-fe82-11e4-95ed-22000b358f22 at anonymous.invalid
>>>>> >;tag=KQecUSr12rSQp
>>>>> >    To: "user1" <sip:anonymous at anonymous.invalid>;tag=v1rlqab64i
>>>>> >    Call-ID: g8980rbrbk2t45oj5mru
>>>>> >    CSeq: 75703945 INVITE
>>>>> >    Contact: <sip:answer-c4e14a20-fe82-11e4-95ed-22000b358f22@
>>>>> ##.##.###.###:5080;transport=udp>
>>>>> >    User-Agent: FreeSWITCH-mod_sofia/1.5.15b~64bit
>>>>> >    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
>>>>> REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
>>>>> >    Supported: timer, path, replaces
>>>>> >    Session-Expires: 120;refresher=uac
>>>>> >    Min-SE: 120
>>>>> >    Content-Type: application/sdp
>>>>> >    Content-Disposition: session
>>>>> >    Content-Length: 825
>>>>> >
>>>>> >    v=0
>>>>> >    o=FreeSWITCH 1432057287 1432057288 IN IP4 ##.##.##.##
>>>>> >    s=FreeSWITCH
>>>>> >    c=IN IP4 ##.##.##.##
>>>>> >    t=0 0
>>>>> >    a=msid-semantic: WMS uZEfxiWc2Dm3Mj8pRAdC8BQDwtTzC6hW
>>>>> >    m=audio 22670 RTP/SAVPF 9 126 106
>>>>> >    a=rtpmap:9 G722/8000
>>>>> >    a=rtpmap:126 telephone-event/8000
>>>>> >    a=rtpmap:106 CN/8000
>>>>> >    a=ptime:20
>>>>> >    a=fingerprint:sha-256
>>>>> E4:E2:DD:6C:60:61:69:9D:FD:21:64:79:66:C0:14:58:DD:67:CE:29:35:35:58:65:2E:91:70:85:4C:6C:47:69
>>>>> >    a=rtcp-mux
>>>>> >    a=rtcp:22670 IN IP4 ##.##.##.##
>>>>> >    a=ssrc:1029894069 cname:VL2jTPmLiyFVIEaq
>>>>> >    a=ssrc:1029894069 msid:uZEfxiWc2Dm3Mj8pRAdC8BQDwtTzC6hW a0
>>>>> >    a=ssrc:1029894069 mslabel:uZEfxiWc2Dm3Mj8pRAdC8BQDwtTzC6hW
>>>>> >    a=ssrc:1029894069 label:uZEfxiWc2Dm3Mj8pRAdC8BQDwtTzC6hWa0
>>>>> >    a=ice-ufrag:5dS3Fzx1Thrmdy9Z
>>>>> >    a=ice-pwd:a19UHlvPK1BjvBzrFilbII2s
>>>>> >    a=candidate:3876535948 1 udp 659136 107.20.175.160 22670 typ host
>>>>> generation 0
>>>>> >
>>>>> ------------------------------------------------------------------------
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:19.376858
>>>>> [DEBUG] switch_core_session.c:1061 Send signal
>>>>> sofia/leia_agent/anonymous at anonymous.invalid [BREAK]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:19.376858
>>>>> [DEBUG] sofia.c:6627 Channel sofia/leia_agent/anonymous at anonymous.invalid
>>>>> entering state [calling][0]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.616874
>>>>> [DEBUG] switch_core_session.c:1061 Send signal
>>>>> sofia/leia_agent/anonymous at anonymous.invalid [BREAK]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.616874
>>>>> [DEBUG] switch_core_session.c:1061 Send signal
>>>>> sofia/leia_agent/anonymous at anonymous.invalid [BREAK]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.616874
>>>>> [DEBUG] sofia.c:6627 Channel sofia/leia_agent/anonymous at anonymous.invalid
>>>>> entering state [terminating][503]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.616874
>>>>> [NOTICE] sofia.c:7543 Hangup sofia/leia_agent/anonymous at anonymous.invalid
>>>>> [CS_EXECUTE] [NORMAL_TEMPORARY_FAILURE]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.616874
>>>>> [DEBUG] switch_channel.c:3242 Send signal
>>>>> sofia/leia_agent/anonymous at anonymous.invalid [KILL]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.616874
>>>>> [DEBUG] switch_core_session.c:1396 Send signal
>>>>> sofia/leia_agent/anonymous at anonymous.invalid [BREAK]
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] mod_conference.c:5057 Channel leaving conference, cause:
>>>>> NORMAL_TEMPORARY_FAILURE
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] mod_conference.c:9650 sofia/leia_agent/anonymous at anonymous.invalid
>>>>> skip receive message [UNBRIDGE] (channel is hungup already)
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_media.c:7772
>>>>> sofia/leia_agent/anonymous at anonymous.invalid skip receive message
>>>>> [REFER_EVENT] (channel is hungup already)
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_codec.c:246 sofia/leia_agent/anonymous at anonymous.invalid
>>>>> Restore previous codec G722:9.
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_session.c:2901
>>>>> sofia/leia_agent/anonymous at anonymous.invalid skip receive message
>>>>> [APPLICATION_EXEC_COMPLETE] (channel is hungup already)
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_state_machine.c:535
>>>>> (sofia/leia_agent/anonymous at anonymous.invalid) State EXECUTE going to
>>>>> sleep
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_state_machine.c:472
>>>>> (sofia/leia_agent/anonymous at anonymous.invalid) Running State Change
>>>>> CS_HANGUP
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_state_machine.c:735
>>>>> (sofia/leia_agent/anonymous at anonymous.invalid) Callstate Change
>>>>> ACTIVE -> HANGUP
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_state_machine.c:737
>>>>> (sofia/leia_agent/anonymous at anonymous.invalid) State HANGUP
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] mod_sofia.c:413 Channel sofia/leia_agent/anonymous at anonymous.invalid
>>>>> hanging up, cause: NORMAL_TEMPORARY_FAILURE
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_state_machine.c:60
>>>>> sofia/leia_agent/anonymous at anonymous.invalid Standard HANGUP, cause:
>>>>> NORMAL_TEMPORARY_FAILURE
>>>>> > fc1927a8-2257-400f-b4cb-67aff7297170 2015-05-20 00:00:22.636900
>>>>> [DEBUG] switch_core_state_machine.c:737
>>>>> (sofia/leia_agent/anonymous at anonymous.invalid) State HANGUP going to
>>>>> sleep
>>>>> >
>>>>>
>>>>>
>>>>>
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>>>>
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>>
>>
>
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