[SR-Users] Error when configuring RTPProxy-NG.

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 Any ideas about how to solve this please ?! Thanks in advance and Best Regards