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[Ccrtp-devel] 1/2 of packets are droped

From: Eren AYKOC
Subject: [Ccrtp-devel] 1/2 of packets are droped
Date: Wed, 12 Nov 2008 18:56:02 +0200



I’m trying to build an application using ccRTP (1.6.2) and I’m having some problems. My application is a SIP IVR application and right now I’m using PCMU payload.


In my -Thread and TimerPort derived- thread class’s run() method, my application is sending -30ms long (240 bytes)- audio packets to destination and nearly for the half of the packets, my -SingleThreadRTPSession derived- socket class’s onExpireSend method is triggered. When I sniff the network with Wireshark for UDP packets I don’t see the dropped ones and the sound is distorted on the destination side.


My code is nearly the same as the demo application audiotx.cpp except the audio source mechanism.


In the mailing list archives I’ve found a similar problem ( but the patch for this bug is already in my copy of ccRTP library.


I’m using MS Visual Studio 6.0 (sp6) on a Windows XP Prof (sp3) machine.


I’d be glad if you may help me.





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