<div dir="ltr">It is. The regex checking a=rtpmap too would be more 'correct', but in practice you'll only see that string on that line.<div class="gmail_extra"><br></div><div class="gmail_extra">Since telephone-event has no static payload type assigned you'll always see the a=rtpmap line for it, so you don't need to worry about non-verbose SDP.</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On 17 March 2015 at 19:29, Phillip Jones <span dir="ltr"><<a href="mailto:pjintheusa@gmail.com" target="_blank">pjintheusa@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thanks Chris.<div><br></div><div>So something like.</div><div><br></div><div>s = <span style="font-size:12.8000001907349px">session:getVariable("switch_r_</span><span style="font-size:12.8000001907349px">sdp")</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">if string.find(s, "</span><span style="font-size:12.8000001907349px">telephone-event/8000") == nil then</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"> session.execute("start_dtfm")</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">end</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Is </span><span style="font-size:12.8000001907349px">telephone-event/8000 the correct thing to look for? I guess it is from the dial plan example.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Mar 17, 2015 at 3:10 PM, Christopher Rienzo <span dir="ltr"><<a href="mailto:cmrienzo@gmail.com" target="_blank">cmrienzo@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>You could set the "execute_on_answer" variable on the b-leg dialstring to execute the lua script. In the lua script, you'd use session:getVariable("switch_r_sdp") and then some pattern matching to figure out if "telephone-event" is in the SDP. If not, then do session:execute("start_dtmf", "")<br><br></div>Chris<br><br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Tue, Mar 17, 2015 at 3:05 PM, Phillip Jones <span dir="ltr"><<a href="mailto:pjintheusa@gmail.com" target="_blank">pjintheusa@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div><span style="font-size:12.8000001907349px">Hi All,</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">The following dial plan detects RFC 2833 and if it is not present, runs the "</span><span style="font-size:12.8000001907349px">start_dtmf" application.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"><condition field="${switch_r_sdp}" expression="a=rtpmap:(\d+)\stelephone-event/8000" break="never"> </span></div><div><span style="font-size:12.8000001907349px"><span style="white-space:pre-wrap"> </span><action application="set" data="rtp_payload_number=$1"/> </span></div><div><span style="font-size:12.8000001907349px"><span style="white-space:pre-wrap"> </span><anti-action application="start_dtmf"/> </span></div><div><span style="font-size:12.8000001907349px"></condition></span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">I need to do this on the outbound leg - using Lua. Can anyone point me to some code example that would achieve this or get me started?</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Any help appreciated.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Thanks</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Phil</span></div></div>
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