Hi Dears,
I'm following this link https://github.com/sipwise/rtpengine to configure rtpproxy-ng with Kamailio BUT i'm reciving the following errors in the Kamailio log file.

Dec 14 17:58:34 debian /usr/local/sbin/kamailio[6198]: ERROR: rtpproxy-ng [rtpproxy.c:1425]: rtpp_test(): proxy responded with invalid response
Dec 14 17:58:34 debian rtpengine[6160]: Failed to properly parse UDP command line '6188_1 d7:command4:pinge' from 127.0.0.1:36681, using fallback RE
Dec 14 17:58:34 debian /usr/local/sbin/kamailio[6188]: ERROR: rtpproxy-ng [rtpproxy.c:1425]: rtpp_test(): proxy responded with invalid response
Dec 14 17:58:34 debian rtpengine[6160]: Failed to properly parse UDP command line '6202_1 d7:command4:pinge' from 127.0.0.1:38342, using fallback RE
Dec 14 17:58:34 debian /usr/local/sbin/kamailio[6202]: ERROR: rtpproxy-ng [rtpproxy.c:1425]: rtpp_test(): proxy responded with invalid response
Dec 14 17:58:34 debian rtpengine[6160]: Failed to properly parse UDP command line '6200_1 d7:command4:pinge' from 127.0.0.1:33265, using fallback RE

My configuration as follows:

root@debian:/usr/local/etc/kamailio# rtpengine --interface=Kamailio-Internal/192.168.100.1 --interface=Kamailio-External/192.168.50.1 --listen-udp=127.0.0.1:12222 --pidfile=/var/run/ngcp-rtpengine-daemon.pid


root@debian:/usr/local/etc/kamailio# kamctl fifo nh_enable_rtpp udp:127.0.0.1:12222 1
root@debian:/usr/local/etc/kamailio# kamctl fifo nh_show_rtpp
udp:localhost:12222::  set=0
        index:: 0
        disabled:: 1
        weight:: 1
        recheck_ticks:: 0

loadmodule "rtpproxy-ng.so"

modparam("rtpproxy-ng", "rtpproxy_sock", "udp:127.0.0.1:12222")
modparam("rtpproxy-ng", "rtpproxy_disable_tout", 20)
modparam("rtpproxy-ng", "rtpproxy_tout", 2)
modparam("rtpproxy-ng", "rtpproxy_retr", 2)
modparam("rtpproxy-ng", "extra_id_pv", "$avp(extra_id)")


/etc/default/ngcp-rtpengine-daemon

RUN_RTPENGINE=yes
LISTEN_TCP=25060
LISTEN_UDP=12222
LISTEN_NG=22222
# ADDRESS=...
# ADV_ADDRESS=...
# ADDRESS_IPV6=...
# ADV_ADDRESS_IPV6=...
TIMEOUT=60
SILENT_TIMEOUT=3600
PIDFILE=/var/run/ngcp-rtpengine-daemon.pid
FORK=yes
# TOS=184
TABLE=0