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<TITLE>RES: [asterisk-users] SIP Response 181 - Is it possible in Asterisk?</TITLE>
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<P><FONT SIZE=2>Hi Philipp,</FONT>
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<P><FONT SIZE=2>So, what you are saying is that SIP trunks between 2 Asteriks might be able to handle SIP Response 181 ?</FONT>
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<P><FONT SIZE=2>Marco</FONT>
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<BR>
<P><FONT SIZE=2>-----Mensagem original-----</FONT>
<BR><FONT SIZE=2>De: asterisk-users-bounces@lists.digium.com [<A HREF="mailto:asterisk-users-bounces@lists.digium.com">mailto:asterisk-users-bounces@lists.digium.com</A>] Em nome de Philipp Kempgen</FONT>
<BR><FONT SIZE=2>Enviada em: terça-feira, 2 de junho de 2009 13:06</FONT>
<BR><FONT SIZE=2>Para: Asterisk Users Mailing List - Non-Commercial Discussion</FONT>
<BR><FONT SIZE=2>Assunto: Re: [asterisk-users] SIP Response 181 - Is it possible in Asterisk?</FONT>
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<P><FONT SIZE=2>Philipp Kempgen schrieb:</FONT>
<BR><FONT SIZE=2>> Marco Cordeiro schrieb:</FONT>
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<P><FONT SIZE=2>>> I have a situation that I have to notify the calling party that the call is</FONT>
<BR><FONT SIZE=2>>> being forwarded to another number. So far, in the tests that I made, calling</FONT>
<BR><FONT SIZE=2>>> from a SIP extension to another SIP extension with the forwarding activated,</FONT>
<BR><FONT SIZE=2>>> I get only the SIP Response 302 (MOVED_TEMPORARILY) instead of the SIP</FONT>
<BR><FONT SIZE=2>>> Response 181 CALL_IS_BEING_FORWARDED).</FONT>
<BR><FONT SIZE=2>>> </FONT>
<BR><FONT SIZE=2>>> The forwarding of the SIP extensions is being set with AstDB. </FONT>
<BR><FONT SIZE=2>>> </FONT>
<BR><FONT SIZE=2>>> My doubt is if, only a SIP Proxy would be able to trigger SIP Response 181,</FONT>
<BR><FONT SIZE=2>>> or if it would be possible with an Asterisk Server. </FONT>
<BR><FONT SIZE=2>> </FONT>
<BR><FONT SIZE=2>> IIRC Asterisk trunk can send and handle 181 Call is being forwarded.</FONT>
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<P><FONT SIZE=2>However as a rule of thumb you could probably say that SIP B2BUAs</FONT>
<BR><FONT SIZE=2>send "302 Moved temporarily" whereas SIP proxies send "181 Call is</FONT>
<BR><FONT SIZE=2>being forwarded".</FONT>
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<BR>
<P><FONT SIZE=2> Philipp Kempgen</FONT>
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