Emta problem

Hi!

I have a problem:
If I upload through Emta lan interface with iperf (iperf -cx.x.x.x -fk -i 1 -t 300 -u -b 1000m -P 2 ), the emta not give line. When i shutdown the iperf, telephone is work properly. If telephoning to proceed, and start iperf then ain't problem.
CM config file:

UsPacketClass
{
ClassifierRef 1;
ServiceFlowRef 110;
ActivationState 1;
LLCPacketClassifier
{
EtherType 0x030f19;
}
}
UsPacketClass
{
ClassifierRef 2;
ServiceFlowRef 110;
ActivationState 1;
IpPacketClassifier
{
IpDstAddr x.x.x.x; //cms ip address
}
}
UsServiceFlow
{
UsServiceFlowRef 110;
QosParamSetType 7;
TrafficPriority 7;
SchedulingType 2;
RequestOrTxPolicy 0x000000e0;
}
DsPacketClass
{
RulePriority 1;
ServiceFlowRef 120;
ClassifierRef 3;
ActivationState 1;
IpPacketClassifier
{
IpProto 17;
DstPortStart 2727;
DstPortEnd 2727;
}
}
DsServiceFlow
{
MaxTrafficBurst 1522;
MaxRateSustained 12000;
DsServiceFlowRef 120;
TrafficPriority 7;
QosParamSetType 7;
}
UsServiceFlow
{
TrafficPriority 2;
UsServiceFlowRef 1;
QosParamSetType 7;
MaxTrafficBurst 1522;
MaxRateSustained 384000;
MaxConcatenatedBurst 10000;
}
DsServiceFlow
{
TrafficPriority 2;
DsServiceFlowRef 101;
QosParamSetType 7;
MaxTrafficBurst 1522;
MaxRateSustained 8000000;
}

Sorry for my english.

Regards,

gyula