AudioCodes plugin not working for v.7.60A.100.022

[ygxstar]

audiocodes.config ， If the app_audiocodes filter is removed, the file output is ok for the raw input. If the filter is enabled, no output.

input {
udp {
host => 0.0.0.0
port => 8514
type => syslog
}
}
filter {
app_audiocodes {
autolocal => true
qos => true
}
}

output {
file {
path => '/tmp/syslog.dump'
}

if [rcinfo] != 'undefined' {
hep {
host => '10.52.248.29'
port => 9060
hep_id => 2222
}
}
}