Hi all,
Today i try to use asterisk to make SIP call between two office A and B.
At the office A, i use [EMAIL PROTECTED]. testA is softphone
(for testing, i use sjphone) which is running in PC with IP: 192.168.4.100.
At the office B, i use [EMAIL PROTECTED]. testB is softphone
(for testing, i use sjphone) which is running in PC with IP: 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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