<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi all,<div class=""><br class=""></div><div class="">We’re preparing to upgrade our fs server for ipv6 supporting, but it is not going well on test.</div><div class=""><br class=""></div><div class="">The test proceeded on FreeSWITCH 1.10.6 and LinphoneSDK 4.5.0, under IPv6Only networks.</div><div class="">As the result, the callee couldn’t hear any voice from caller, while caller works fine.</div><div class="">The tcpdump showed that freeswitch didn’t send any rtp packages to callee, like this:</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="F612933C-5A01-4A40-9AAC-E14F93FA2872" src="cid:F5B3FDDE-9DC1-46E9-9AE6-1B02F05ED9EC" class=""></div><div class=""><br class=""></div><div class="">[2001::14] is FreeSWITCH, [240d::68ae] is the caller, and [240d::b342] is the callee, which missed the rtp stream from server.</div><div class="">We tried to exchange the device of caller and callee, but result didn’t change (callee couldn’t hear any voice from caller).</div><div class="">FreeSWITCH Console also showed no error and RTP port is set correctly.</div><div class=""><br class=""></div><div class="">Environment:</div><div class="">FreeSWITCH Version 1.10.6-release+git~20210325T131609Z~1ff9d0a60e~64bit (git 1ff9d0a 2021-03-25 13:16:09Z 64bit)</div><div class="">Linphone iOS 4.4.0 with Linphone SDK 4.5.0 / iOS 13.7</div><div class=""><br class=""></div><div class="">Any suggestion would be appreciated.</div><div class=""><br class=""></div><div class="">Regards.</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: Helvetica; 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;">——————————————————</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; 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;"><br class=""></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; 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;">王聡</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; 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;"><a href="mailto:cong.wang.itsherpa@gmail.com" class="">cong.wang.itsherpa@gmail.com</a></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; 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;" class=""><br class=""></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; 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;" class="">〒810−0073<br class="">福岡市中央区舞鶴2-3-6<br class="">赤坂プライムビル 2F</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; 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;" class="">株式会社アイティーシェルパ</div></div>
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