<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi,<div class=""><br class=""></div><div class="">I have seen this state happen when the incoming UA does not respond to the authentication challenge. These are usually bots trying to find open installations and who don't bother to answer when they receive a 407 (i.e. they "abandon" the sip transaction).</div><div class=""><br class=""></div><div class=""><br class=""><div class="">
<div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Best Regards,<br class="">-- <br class="">Vallimamod Abdullah<br class="">SIP Solutions<br class=""><a href="mailto:vma@sip.solutions" class="">vma@sip.solutions</a><br class="">linkedin.com/in/vallimamod<br class="">.<br class=""><br class=""></div></div>
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<div><br class=""><blockquote type="cite" class=""><div class="">On 9 Oct 2019, at 08:14, S.Mohammad Emami Razavi <<a href="mailto:emamirazavi@gmail.com" class="">emamirazavi@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hello everybody,<div class="">Have you ever got `Abandoned` warning and your call hanged?! Sometimes casually our internal calls have this problem. Call is not bridged (like the device hangs!) and `Abandoned` warning logged.</div><div class=""><br class=""></div><div class="">fs_cli console log tells:</div><div class=""><br class=""></div><div class="">```</div><div class="">2019-10-09 09:01:47.502759 [WARNING] switch_core_state_machine.c:572 8a09055e-98b6-409a-9d01-8b1961860447 sofia/internal/138@***.***.***.***:5060 Abandoned<br class=""></div><div class="">```</div><div class=""><br class=""></div><div class="">Best regards,</div></div>
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