On Jun 19, 2018, at 3:06 AM, Sergey Safarov <s.safarov@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@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@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

вт, 12 июн. 2018 г. в 10:30, Sergey Safarov <s.safarov@gmail.com>:

Are anybody experiences issue when for some of calls  ACK send to other IP.

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

1. 10.0.9.32
   
2. 10.0.9.33
   
3. 10.0.9.34
   
4. 10.0.9.35
   

FS 1.6.19

Contact on 200 message is correct

SIP/2.0 200 OK Via: SIP/2.0/TCP 10.0.9.51:12000;rport=39049;branch=z9hG4bKBH60NQjSZj36a From: "Anonymous" <sip:+12022553656@10.0.9.51>;tag=rH5cBQarr559D To: <sip:13013688630@metropolis.ack.one>;tag=UDv7UXv3B53Da Call-ID: b0e4d7e1-e79e-1236-8cb9-02420a000933 CSeq: 123998414 INVITE Contact: <sip:13013688630@10.0.9.33:11000;transport=tcp> User-Agent: 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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