<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt">Hello,<br><br>I tried to configure a very simple case of Asterisk using SIP<br><br>userA --- Asterisk server ---- userB<br><br>sip.conf<br><br>[userA]<br>type=friend<br>username=userA<br>host=dynamic<br>nat=no<br>context=test<br><br>[userB]<br>type=friend<br>username=userB<br>host=dynamic<br>nat=no<br>context=test<br><br>In extensions.conf<br>[test]<br>exten => 1000,1,Dial(SIP/userA)<br>exten => 2000,1,Dial(SIP/userB)<br><br>I make a call from userA to userB, it works, but I have 2 questions:<br><br>1/ By verifing with Wireshark, I see that the CallID of the INVITE message<br>sent from userA to Asterisk is different from the CallID of the INVITE message sent from Asterisk to UserB.<br>Is it possible to configure Asterisk as an "normal SIP proxy" (it just forwards SIP messages)?<br><br>2/ After sending
the INVITE message to UserB, Asterisk send another INVITE message to userA with the same <br>CallID as the CallID in the INVITE message from userA to Asterisk. I don't understant, could you please explain it to me?<br><br>Thanks,<br>Viet<br><br></div><br>
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