[Freeswitch-users] Wrong IP in ACK

[Michael Jerris]

if you are using fs_path and expecting it to be anything other than a hardcoded outbound proxy then its not going to work like you expect.



> On Jun 19, 2018, at 3:06 AM, Sergey Safarov <s.safarov at gmail.com> wrote:
> 
> If FS ignores contact values and use fs_path like "Record-Route" SIP header, then ACK must be send to same IP used for INVITE.
> Without this whole session is broken.
> Please look call log. Call is dropped by remote end because ACK not received.
> 
> вт, 19 июн. 2018 г. в 2:18, Michael Jerris <mike at jerris.com <mailto:mike at jerris.com>>:
> Setting fs_path like that is used to force a locked in outbound proxy for that dialog.  The behavior you are seeing is intended behavior.
> 
> 
>> On Jun 12, 2018, at 4:45 AM, Sergey Safarov <s.safarov at gmail.com <mailto:s.safarov at gmail.com>> wrote:
>> 
>> root of issue
>> ACK send to IP resolved via DNS for value defined as "fs_path", rather than defined in contact string.
>> 
>> more details
>> https://freeswitch.org/jira/browse/FS-11190 <https://freeswitch.org/jira/browse/FS-11190>
>> 
>> вт, 12 июн. 2018 г. в 10:30, Sergey Safarov <s.safarov at gmail.com <mailto:s.safarov at gmail.com>>:
>> Are anybody experiences issue when for some of calls  ACK send to other IP.
>> http://prntscr.com/jtxkbz <http://prntscr.com/jtxkbz>
>> in this case FS in bypass media with two profiles (1 to internet, 2 intranet).
>> INVITE is send to DNS name that is resolved to
>> 10.0.9.32
>> 10.0.9.33
>> 10.0.9.34
>> 10.0.9.35
>> FS 1.6.19
>> 
>> Contact on 200 message is correct
>> 
>> SIP/2.0 200 OK
>> Via: SIP/2.0/TCP 10.0.9.51:1 <http://10.0.9.51:1/>2000;rport=39049;branch=z9hG4bKBH60NQjSZj36a
>> From: "Anonymous" <sip:+12022553656 at 10.0.9.51 <mailto:sip%3A%2B12022553656 at 10.0.9.51>>;tag=rH5cBQarr559D
>> To: <sip:13013688630 <tel:(301)%20368-8630>@metropolis.ack.one>;tag=UDv7UXv3B53Da
>> Call-ID: b0e4d7e1-e79e-1236-8cb9-02420a000933
>> CSeq: 123998414 INVITE
>> Contact: <sip:13013688630 <tel:(301)%20368-8630>@10.0.9.33:11000;transport=tcp>
>> User-Agent: proxy.ackone.com <http://proxy.ackone.com/>
>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
>> 
>> Now for future investigate FS upgrader to 1.6.20 and enabled siptrace and loglevel
>> 
>> Sergey Safarov
> 
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