[Freeswitch-users] Inverted FROM/TO headers for BYE requests

Unai Rodriguez unai at sysbible.org
Tue Jan 5 17:14:04 UTC 2021


Dear List,

We are having FreeSWITCH behind AVAYA infrastructure and when FreeSWITCH sends a BYE the From and the To headers are inverted. For example this call was initiated by John Smith however the BYE request has the From and To inverted:

send 619 bytes to tcp/[10.125.15.122]:5060 at 16:57:04.079105:
   ------------------------------------------------------------------------
   BYE sip:5188 at 10.125.15.122:5060;transport=tcp SIP/2.0
   Via: SIP/2.0/TCP 10.155.20.104;branch=z9hG4bKa99Q7j7crjK9K
   Max-Forwards: 70
   From: <sip:1581 at 10.155.20.104>;tag=Ze68N90tZ1D0c
   To: "John Smith" <sip:5188 at example.com>;tag=54578355~d340a1b2-9d48-464d-9060-03cf872440b9-97644820
   Call-ID: 2ad6b00-ff419a57-85bc53-66199b0a at 10.125.15.122
   CSeq: 30379120 BYE
   User-Agent: FreeSWITCH-mod_sofia/1.8.6~64bit
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
   Supported: timer, path, replaces
   Reason: Q.850;cause=16;text="NORMAL_CLEARING"
   Content-Length: 0

These seems to work for Cisco and other Telephony products but not the particular AVAYA system we're working with.

Is there any way to modify this behavior and/or is this a known issue?

Thank you so  much

-- unai
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