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Hello,<br>
<br>
the problem here is with rtpproxy marker -- can you try with the
parameter set to empty string?<br>
<br>
-
<a class="moz-txt-link-freetext" href="http://kamailio.org/docs/modules/stable/modules/rtpproxy.html#idp23856">http://kamailio.org/docs/modules/stable/modules/rtpproxy.html#idp23856</a><br>
<br>
Cheers,<br>
Daniel<br>
<br>
<br>
<div class="moz-cite-prefix">On 06/08/14 12:23, Igor Potjevlesch
wrote:<br>
</div>
<blockquote cite="mid:00be01cfb160$7527c0b0$5f774210$@gmail.com"
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<p class="MsoNormal"><span style="color:#1F497D">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">To
be sure that the issue is not coming from append_hf, I add
(…,”Call-ID”). The PAI is now inserted after the Call-ID.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">But,
the issue remains:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">Content-Type:
application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">Content-Length:
169<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">o=UserA
1153072414 140968390 IN IP4 A.B.C.D<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">s=Session
SDP<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">c=IN
IP4 A.B.C.D<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">t=0
0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">m=audio
60412 RTP/AVP 8<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">a=rtpmap:8
PCMA/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">a=nortpproxy:yes<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">This
SDP is dropped. Someone see something missing or wrong in
the SDP parts?<br>
<br>
Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-GB">Igor.<o:p></o:p></span></p>
<p class="MsoNormal"><a moz-do-not-send="true"
name="_MailEndCompose"><span style="color:#1F497D"
lang="EN-GB"><o:p> </o:p></span></a></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="mso-fareast-language:FR" lang="EN-GB">De :</span></b><span
style="mso-fareast-language:FR" lang="EN-GB"> Igor
Potjevlesch [<a class="moz-txt-link-freetext" href="mailto:igor.potjevlesch@gmail.com">mailto:igor.potjevlesch@gmail.com</a>] <br>
<b>Envoyé :</b> </span><span
style="mso-fareast-language:FR">mercredi 6 aoűt 2014
11:57<br>
<b>Ŕ :</b> <a class="moz-txt-link-abbreviated" href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><br>
<b>Objet :</b> SDPOPS issue or append_hf<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I have an issue with the
module SDPOPS while using “sdp_keep_codecs_by_name”.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">If the calling party
sends only one codec description like:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Content-Type:
application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Content-Length: 202<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">o=UserA 2966746938
1790378070 IN IP4 10.141.0.21<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">s=Session SDP<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">c=IN IP4 10.141.0.21<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">t=0 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">m=audio 49152 RTP/AVP 8
101<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">a=rtpmap:8 PCMA/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">a=rtpmap:101
telephone-event/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">a=fmtp:101 0-15<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">The result of the
function “sdp_keep_codecs_by_name("PCMA,PCMU,G729a");” is:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Content-Type:
application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Content-Length: 170<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">P-Asserted-Identity:
"+0123456789" <<a moz-do-not-send="true"
href="sip:+0123456789@sip.tld">sip:+0123456789@sip.tld</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">o=UserA 2485672881
3000549892 IN IP4 a.b.c.d<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">s=Session SDP<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">c=IN IP4 a.b.c.d<o:p></o:p></span></p>
<p class="MsoNormal">t=0 0<o:p></o:p></p>
<p class="MsoNormal">m=audio 40330 RTP/AVP 8<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">a=rtpmap:8 PCMA/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">a=nortpproxy:yes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">If I open the capture in
Wireshark, the PAI is not in the SDP part, and the end of
the capture after “a=rtpmap:8 PCMA/8000” is seen as “Data
(18 bytes)”.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I don’t understand why
the PAI is inserted within the SDP part. Adding the PAI is
done after “sdp_keep_codecs_by_name”:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> if
(!is_present_hf("P-Asserted-Identity")) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span>$var(pai)
= $(fU{re.subst,/^0/+33/g});<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">
append_hf("P-Asserted-Identity: \"$var(pai)\" <<a
moz-do-not-send="true" href="sip:$var%28pai%29@$fd">sip:$var(pai)@$fd</a>>\r\n");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I guess that this cause
my INVITE being dropped by 488 Media Not Acceptable Here.<br>
<br>
Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Igor.<o:p></o:p></span></p>
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<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
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