https://osmocom.org/https://osmocom.org/favicon.ico?16647414092018-10-12T13:56:04ZOpen Source Mobile CommunicationsOsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=121772018-10-12T13:56:04Zlaforge
<ul><li><strong>Assignee</strong> set to <i>dexter</i></li></ul> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=125062018-11-04T19:20:38Zneelsnhofmeyr@sysmocom.de
<ul></ul><p>For 35c3 congress, this would be interesting to clarify...</p> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=125182018-11-05T16:59:42Zneelsnhofmeyr@sysmocom.de
<ul></ul><p>let me copy the dirty hack mentioned on the ML here for later reference<br />(I haven't tested but wanted to find this if I need it.)</p>
<pre>
a quick and dirty hack for the osmo-sip-connector, to (probably)
get your calls running through FreeSwitch:
Hardcode override the pt in sdp_create_file() in sdp.c by adding
other->payload_type = 98; (or for full rate GSM, it would be
other->payload_type = 3;)
somewhere in the top of that function,
at line 170 for example, here:
http://git.osmocom.org/osmo-sip-connector/tree/src/sdp.c#n170)
</pre> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=125722018-11-13T11:11:37Zkeith
<ul></ul><p>neels wrote:</p>
<blockquote>
<p>For 35c3 congress, this would be interesting to clarify...</p>
</blockquote>
<p><a class="issue tracker-1 status-5 priority-1 priority-lowest closed" title="Bug: Rapid SETUP followed DISC results in lingering B-leg (Closed)" href="https://osmocom.org/issues/3518">#3518</a> would also bite us at congress methinks..<br />and there's also a workaround:<br /><a class="external" href="https://gerrit.osmocom.org/#/c/osmo-sip-connector/+/11194/">https://gerrit.osmocom.org/#/c/osmo-sip-connector/+/11194/</a></p> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=125992018-11-16T15:37:47Zkeith
<ul></ul><p>Alternative:</p>
<p>In libmsc/gsm_04_08_cc.c (from line 1690), do:</p>
<pre><code class="c syntaxhl"> <span class="cm">/* FIXME: This has to be set to some meaningful value,
* before the MSC-Split, this value was pulled from
* lchan->abis_ip.rtp_payload */</span>
<span class="kt">uint32_t</span> <span class="n">payload_type</span> <span class="o">=</span> <span class="mi">3</span><span class="p">;</span>
</code></pre> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=129022018-12-11T17:20:48Zfixeria
<ul><li><strong>Related to</strong> <i><a class="issue tracker-1 status-1 priority-2 priority-default" href="/issues/3724">Bug #3724</a>: Wrong media format used in SIP INVITE causes one-way audio</i> added</li></ul> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=161532019-10-04T08:47:45Zkeith
<ul><li><strong>Related to</strong> <i><a class="issue tracker-1 status-7 priority-1 priority-lowest" href="/issues/1683">Bug #1683</a>: osmo-sip-connector: Implement codec selection / move codec selection to osmo-msc</i> added</li></ul> OsmoMSC - Bug #3650: MSC is not sending a payload_type to MNCC?https://osmocom.org/issues/3650?journal_id=161542019-10-04T08:49:44Zkeith
<ul><li><strong>Status</strong> changed from <i>New</i> to <i>Closed</i></li></ul><p>As this is being resolved in <a class="issue tracker-1 status-7 priority-1 priority-lowest" title="Bug: osmo-sip-connector: Implement codec selection / move codec selection to osmo-msc (Stalled)" href="https://osmocom.org/issues/1683">#1683</a>, I'll close this issue.</p>