<h3>Description</h3>

<p>When making end-to-end IMS voice call over IPv6, Kamailio PCSCF doesn't send the Sip Invite to callee. I saw the following error in PCSCF logs:</p>
<p>4(32107) DEBUG:  [parser/parse_uri.c:1258]: parse_uri(): parse_uri: bad char ':' in state 2 parsed: sip:FC00:1234 (13) / sip:FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0:5060 (30)<br>
4(32107) ERROR: tm [ut.h:254]: uri2dst2(): ERROR: uri2dst: bad_uri: [sip:FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0:5060]<br>
4(32107) ERROR: tm [t_fwd.c:1737]: t_forward_nonack(): ERROR: t_forward_nonack: failure to add branches<br>
4(32107) DEBUG: tm [t_funcs.c:331]: t_relay_to(): t_forward_nonack returned error -478 (-478)<br>
4(32107) DEBUG: tm [t_funcs.c:348]: t_relay_to(): -478 error reply generation delayed</p>
<p>I saw a similar issue in your database: nat_traversal: Builds wrong URI for IPv6, bad URI parsing <a href="https://github.com/kamailio/kamailio/issues/362" class="issue-link js-issue-link" data-url="https://github.com/kamailio/kamailio/issues/362" data-id="110183756" data-error-text="Failed to load issue title" data-permission-text="Issue title is private">#362</a>.<br>
Have you fixed this issue?</p>
<h3>Troubleshooting</h3>
<p>To me, sip:FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0:5060 should be sip:[FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0]:5060. After I added the workarround to change it to sip:[FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0]:5060, PCSCF can send the Sip Invite to callee and the IMS voice call can be established.</p>
<h4>Reproduction</h4>

<p>I can reproduce this issue using two soft phones: Linphone and Jitsi.</p>
<h4>Debugging Data</h4>

<pre><code>(paste your debugging data here)
</code></pre>
<h4>Log Messages</h4>

<pre><code>(paste your log messages here)
</code></pre>
<p>4(32107) DEBUG:  [parser/parse_uri.c:1258]: parse_uri(): parse_uri: bad char ':' in state 2 parsed: sip:FC00:1234 (13) / sip:FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0:5060 (30)<br>
4(32107) ERROR: tm [ut.h:254]: uri2dst2(): ERROR: uri2dst: bad_uri: [sip:FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0:5060]<br>
4(32107) ERROR: tm [t_fwd.c:1737]: t_forward_nonack(): ERROR: t_forward_nonack: failure to add branches<br>
4(32107) DEBUG: tm [t_funcs.c:331]: t_relay_to(): t_forward_nonack returned error -478 (-478)<br>
4(32107) DEBUG: tm [t_funcs.c:348]: t_relay_to(): -478 error reply generation delayed</p>
<h4>SIP Traffic</h4>

<pre><code>(paste your sip traffic here)
</code></pre>
<p>INVITE sip:bob@[fc00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0]:5060;transport=udp;registering_acc=ims_mnc001_mcc001_3gppnetwork_org SIP/2.0<br>
Record-Route: sip:mt@[FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:47];lr=on;ftag=be2790bd;did=557.1972<br>
Route: sip:term@pcscf.ims.mnc001.mcc001.3gppnetwork.org:5060;nat=yes;received=sip:FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:2:0:0:0:0:5060;lr<br>
Record-Route: sip:mo@[FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:47];lr=on;ftag=be2790bd;did=557.1972<br>
Record-Route: sip:mo@[FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:45];lr=on;ftag=be2790bd;nat=yes;did=557.f271<br>
Call-ID: 16a983b6edc2370ad08370112a800d98@0:0:0:0:0:0:0:0<br>
CSeq: 1 INVITE<br>
From: "alice" sip:alice@ims.mnc001.mcc001.3gppnetwork.org;tag=be2790bd<br>
To: sip:bob@ims.mnc001.mcc001.3gppnetwork.org<br>
Via: SIP/2.0/UDP [FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:47];branch=z9hG4bKc87.6294094b4129fdf733069ffd6625d303.0<br>
Via: SIP/2.0/UDP [FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:46];branch=z9hG4bKc87.66958ffdcce62f80024bf5913086e312.1<br>
Via: SIP/2.0/UDP [FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:47];branch=z9hG4bKc87.5d9a7aae58830978432d73b25057fb39.0<br>
Via: SIP/2.0/UDP [FC00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>1:0:0:0:0:45];branch=z9hG4bKc87.b56bcd8f177f65d2b1ec20ccca46519a.0<br>
Via: SIP/2.0/UDP [fc00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:1:0:0:0:0]:5060;rport=5060;branch=z9hG4bK-363237-5db2dc2ac95e17a0c589ae29eb75a0ce<br>
Max-Forwards: 66<br>
Contact: "alice" sip:alice@[fc00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:1:0:0:0:0]:5060;transport=udp;registering_acc=ims_mnc001_mcc001_3gppnetwork_org<br>
User-Agent: Jitsi2.10.5550Linux<br>
Content-Type: application/sdp<br>
Content-Length: 910<br>
X-RTP: mo<br>
P-Asserted-Identity: sip:alice@ims.mnc001.mcc001.3gppnetwork.org</p>
<p>v=0<br>
o=alice-jitsi.org 0 0 IN IP6 fc00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:1:0:0:0:0<br>
s=-<br>
c=IN IP6 fc00<g-emoji alias="1234" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f522.png" ios-version="6.0">🔢</g-emoji>3:1:0:0:0:0<br>
t=0 0<br>
m=audio 5056 RTP/AVP 96 97 98 9 100 102 0 8 103 3 104 101<br>
a=rtpmap:96 opus/48000/2<br>
a=fmtp:96 usedtx=1<br>
a=ptime:20<br>
a=rtpmap:97 SILK/24000<br>
a=rtpmap:98 SILK/16000<br>
a=rtpmap:9 G722/8000<br>
a=rtpmap:100 speex/32000<br>
a=rtpmap:102 speex/16000<br>
a=rtpmap:0 PCMU/8000<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:103 iLBC/8000<br>
a=rtpmap:3 GSM/8000<br>
a=rtpmap:104 speex/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=extmap:1 urn:ietf:params:rtp-hdrext:csrc-audio-level<br>
a=extmap:2 urn:ietf:params:rtp-hdrext:ssrc-audio-level<br>
a=rtcp-xr:voip-metrics<br>
m=video 5058 RTP/AVP 105 99<br>
a=recvonly<br>
a=rtpmap:105 H264/90000<br>
a=fmtp:105 profile-level-id=4DE01f;packetization-mode=1<br>
a=imageattr:105 send * recv [x=[1:1376],y=[1:883]]<br>
a=rtpmap:99 H264/90000<br>
a=fmtp:99 profile-level-id=4DE01f<br>
a=imageattr:99 send * recv [x=[1:1376],y=[1:883]]</p>
<h3>Possible Solutions</h3>

<h3>Additional Information</h3>
<ul>
<li><strong>Kamailio Version</strong> - output of <code>kamailio -v</code></li>
</ul>
<pre><code>(paste your output here)
</code></pre>
<p>version: kamailio 5.0.0-dev5 (x86_64/linux)<br>
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES<br>
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB<br>
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.<br>
id: unknown<br>
compiled on 21:48:42 Feb 21 2017 with gcc 5.4.0</p>
<ul>
<li><strong>Operating System</strong>:</li>
</ul>

<pre><code>(paste your output here)
</code></pre>
<p>Distributor ID:        Ubuntu<br>
Description:    Ubuntu 16.04.2 LTS<br>
Release:        16.04<br>
Codename:       xenial</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/kamailio/kamailio/issues/1136">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AF36ZVAW-vZOdhtS8agQTECg573cJVnjks5r8zPngaJpZM4NkKgo">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AF36ZURAZOz7ojopKeRCOqDoWFPFIXooks5r8zPngaJpZM4NkKgo.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
  <link itemprop="url" href="https://github.com/kamailio/kamailio/issues/1136"></link>
  <meta itemprop="name" content="View Issue"></meta>
</div>
<meta itemprop="description" content="View this Issue on GitHub"></meta>
</div>

<script type="application/json" data-scope="inboxmarkup">{"api_version":"1.0","publisher":{"api_key":"05dde50f1d1a384dd78767c55493e4bb","name":"GitHub"},"entity":{"external_key":"github/kamailio/kamailio","title":"kamailio/kamailio","subtitle":"GitHub repository","main_image_url":"https://cloud.githubusercontent.com/assets/143418/17495839/a5054eac-5d88-11e6-95fc-7290892c7bb5.png","avatar_image_url":"https://cloud.githubusercontent.com/assets/143418/15842166/7c72db34-2c0b-11e6-9aed-b52498112777.png","action":{"name":"Open in GitHub","url":"https://github.com/kamailio/kamailio"}},"updates":{"snippets":[{"icon":"DESCRIPTION","message":"IPv6 parse_uri error (#1136)"}],"action":{"name":"View Issue","url":"https://github.com/kamailio/kamailio/issues/1136"}}}</script>