[Asterisk-Users] need help:multisite with asterisk?

[julien bos]

Hi all,
 Today i try to use asterisk to make SIP call between two office A and B.
 At the office A, i use testA at myasteriskdomain.com. testA is softphone
(for testing, i use sjphone) which is running in PC with IP:
192.168.4.100<http://192.168.4.100>
.
 At the office B, i use testB at myasteriskdomain.com. testB is softphone
(for testing, i use sjphone) which is running in PC with IP:
192.168.0.100<http://192.168.0.100>
.
 Now from office A, testA can register with my server Asterisk and test B
can also register with my server Asterisk.Now from testA, i make a call to
test B.
 1) Test A ----------send INVITE------------>Asterisk
2) Test A<-----------send Trying-------------Asterisk
3) Asterisk---------send INVITE------------->TestB
4) Asterisk<-------100 Trying-----------------TestB
5) Asterisk<-------180 Ringing---------------TestB
6) TestA<---------180Ringing------------Asterisk
 Now in test B, i accept the call, then
7) Asterisk<-------200 OK ---------------------TestB
8) TestA<--------200 OK------------------Asterisk
9)
TestA------------------------ACK--------Asterisk------------------------------------------->TestB
  10) TestA--------------------------------RTP
stream--------------------------------------------TestB
 Here the problem begins, i talk and i hear anything. I see in my Asterisk.
 I see that when Asterisk receive a packet RTP from TestA, it forward
immediately
 to IP adress of TestB, because TestB is behind a server. So IP adress of
TestB
 is invisible from the world.
  Then, i can't hear anything.
  Can you please share your experience with me in this problem?
 Thank you so much.
  Julien
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