In order to change the attribute in the SDP, you need manually to alter the SDP (at least for 1.5.x). Tha NAT-Helper module will not do this for you. Please see the Textops-Module on how to do this.<div><div><br></div><div>
Carsten<br><br><div class="gmail_quote">2010/7/2 Laurent Schweizer <span dir="ltr"><<a href="mailto:laurent.schweizer@peoplefone.com">laurent.schweizer@peoplefone.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<p class="MsoNormal">hello,</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">I use kamailio 1.5.4 with rtpproxy
1.2.1 </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">I try to change the ptime (RTP packet size)
with the Nathelper module .</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">to do it I call the function rtpproxy_offer
with the option "z20" but the "a=ptime:30" in SDP is
not changed </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">any idea ?</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Regards</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Laurent</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Log of RTPproxy:</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:40:49 dns2 rtpproxy[19050]:
DBUG:handle_command: received command "19072_4 UZ20c0,8,101
2ab4d3ad6ff9676a 217.162.26.26 3000 112a4c5d45;1"</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:40:49 dns2 rtpproxy[19050]:
INFO:handle_command: new session 2ab4d3ad6ff9676a, tag 112a4c5d45;1 requested,
type strong</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:40:49 dns2 rtpproxy[19050]:
INFO:handle_command: new session on a port 54858 created, tag 112a4c5d45;1</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:40:49 dns2 rtpproxy[19050]:
INFO:handle_command: pre-filling caller's address with <a href="http://217.162.26.26:3000" target="_blank">217.162.26.26:3000</a></span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:40:49 dns2 rtpproxy[19050]:
INFO:handle_command: RTP packets from caller will be resized to 20 milliseconds</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:40:49 dns2 rtpproxy[19050]:
DBUG:doreply: sending reply "19072_4 54858 15.43.10.128 "</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:41:51 dns2 rtpproxy[19050]:
INFO:process_rtp: session timeout</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:41:51 dns2 rtpproxy[19050]:
INFO:remove_session: RTP stats: 0 in from callee, 0 in from caller, 0 relayed,
0 dropped</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:41:51 dns2 rtpproxy[19050]:
INFO:remove_session: RTCP stats: 0 in from callee, 0 in from caller, 0 relayed,
0 dropped</span></p>
<p class="MsoNormal"><span lang="EN-US">Jul 2 09:41:51 dns2 rtpproxy[19050]:
INFO:remove_session: session on ports 54858/0 is cleaned up</span></p>
</div>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Carsten Bock<br>Schomburgstr. 80<br>22767 Hamburg<br>Germany<br><br>Mobile +49 179 2021244<br>Home +49 40 34927217<br>Fax +49 40 34927218<br>mailto:<a href="mailto:carsten@bock.info">carsten@bock.info</a><br>
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