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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi All,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I am a newbie to Asterisk. Presently I am working with Asterisk 1.4.17
and using it to make SIP calls.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I have a configuration of Asterisk which serves the users in a particular
domain, say internal.com<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I would like to make a SIP call from bob@internal.com to
charles@external.com <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I have added the following lines in <span class=SpellE>extensions.conf</span><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:.5in'><span class=SpellE><span
class=GramE><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>exten</span></font></span></span>
=><span style='mso-spacerun:yes'> </span><st1:GivenName>charles</st1:GivenName>,1,Dial(SIP/${EXTEN}@external.com)<o:p></o:p></p>
<p class=MsoNormal style='text-indent:.5in'><span class=SpellE><span
class=GramE><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>exten</span></font></span></span>
=><span style='mso-spacerun:yes'> </span><st1:GivenName>charles</st1:GivenName>,2,Hangup<o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Asterisk does a DNS SRV lookup and resolves the external.com to its
proper IP and calls are established.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>But the problem with the above configuration is that I have manually added
users that are in the external domain.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Is there any way wherein I can call the users in external.com without adding
them in the extension<span class=SpellE>s.conf</span>?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Any help would be appreciated.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks,<br>
Aadil<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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