Hi,<br><br>So you say i need to put <br><action application="bridge" data="{sip_contact_user=${contact}}{sip_ignore_183nosdp=true}sofia/sbc/$1@${dialed_domain}"/><br><br>Regds<br>Sam<br><br><br><br>
<br><div class="gmail_quote">On Fri, Jan 28, 2011 at 10:23 PM, Anthony Minessale <span dir="ltr"><<a href="mailto:anthony.minessale@gmail.com">anthony.minessale@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
you need sip_ignore_183nosdp=true set on the b leg not the a leg.<br>
Put it in the dial string in {}<br>
<br>
{sip_ignore_183nosdp=true}sofia/foo/<a href="mailto:foo@bar.com">foo@bar.com</a><br>
<div><div></div><div class="h5"><br>
<br>
On Fri, Jan 28, 2011 at 12:41 AM, Sam <<a href="mailto:u2nsam@gmail.com">u2nsam@gmail.com</a>> wrote:<br>
> Hi,<br>
><br>
> how can i ignore 183 without sdp,<br>
> what happens is the provider sends 183 without sdp and by applying "<action<br>
> application="set" data="sip_ignore_183nosdp=true"/>" the FS sends 180 to<br>
> the leg a.<br>
> Here i want to block the 183 with SDP just like router as b2bua and send<br>
> nothing to leg a, and when actual 183 with sdp comes it should send .<br>
><br>
> Its because, providers are sending false signaling by sending 183 without<br>
> sdp,and it hampers while @ production,<br>
> Although by cisco sbc i have done this but i want to do it by FS,<br>
> Take a scenario, when call is send 183 without sdp for 10 secs and then<br>
> followed by 183 with sdp ( actual signal),<br>
> but when some one dials invalid number it rings for 10 secs and then gives<br>
> SIP cause 404, which is bad from the providers.<br>
> So this is the reason i want to block it.<br>
><br>
> Most of the providers do this, the way out is blocking.<br>
><br>
> I have got an advice from Tihomir to do "execute_on_ring and parse your 180<br>
> / 183 messages in search of SDP,<br>
> once you get 183 without SDP do not send it back to leg a and send signal<br>
> only when you got 183 with sdp or 180 "<br>
> And this could be valid call flow.<br>
><br>
> This happens in many cases where the provider is having nextone as a sbc and<br>
> that too tier 1 !<br>
><br>
> Regards<br>
> Sam<br>
><br>
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