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I can't hear sound when use SIP_CallOut call SIP_CallOut
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btking
#1 Posted : Wednesday, February 08, 2012 11:04:04 AM(UTC)
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Hi,

I edit SIP_CallOut code and program two sipphones.

I can't hear sound when use SIP_CallOut call SIP_CallOut, but wireshark have catched rtp between two sipphones.

The two computers has AudioIn and AudioOut, and all work fine.

I open wfrm_RTP_Debug mode and I can see a lot of RtpBytesSend, probably what the problem is ?

Thanks.
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ivx
#2 Posted : Wednesday, February 08, 2012 11:34:04 AM(UTC)
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Man
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You should check what input/output devices are selected in both phones.
You must be sure that both have valid ones selected.

Also you can start iptel.org echo test, to see it works.
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btking
#3 Posted : Thursday, February 09, 2012 3:19:12 AM(UTC)
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The two computers have only one input/output devices, SIP_CallOut selected default input/output devices.
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ivx
#4 Posted : Thursday, February 09, 2012 8:38:53 AM(UTC)
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Did you test iptel.org ?
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btking
#5 Posted : Thursday, February 09, 2012 8:40:08 AM(UTC)
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I found the reason. Each computer has two netcards.

Two computers are in lan, but connect to internet with a public network ip.

I didn't choose not nat handling, so caller use public network ip to fill connection

information of sdp. callee use wirless ip(192.168.1.2) to fill owner/creator and session id of sdp.

But from and to information of sip_callout are 172.16.49.x, so I can't hear sound.
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