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<div><span class="gmail_quote">On 12/6/06, <b class="gmail_sendername">Thirumal Saminathan</b> <<a href="mailto:thiruns@gmail.com">thiruns@gmail.com</a>> wrote:</span>
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<div>Hi all,<br>Thanks for your reply,<br>I'm using sip communicator(in java that is intergrated with one ERP ) and asterisk is interfaced with this.<br>i'm able to make calls between pingtel and Voip user,<br>and also i can able to make call from Sip communicator to pingtel or Voip phone.
<br>but now i'm can't make calls between 2 sip communicator.. it mean i can able to make a call and receive.. but i can't hear the other person voice. but my voice he can able to hear...<br>some times i can't able to make (Between 2 sip comm.)call also...
<br><br>I'm using asterisk 1.4 versoin...<br> <br>could u tell me any suggestions..<br><br>Regards,<br>nsthi</div></blockquote>
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<div>Hi</div>
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<div>is the both users are behind NAT ?</div>
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<div>Ram</div></div>