Hi,
We have a setup with sipml5 to kamailio. It works perfectly within local
network. In public network the signaling establishes perfectly, but most of the
time we hear no voice, sometimes we hear one sided voice and in rare cases we
hear voice from both sides. To fix this issue we configured our nathandler like
the below: But, still no luck. Any idea how to fix this? Please HELP!!!
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
modparam("nathelper", "nortpproxy_str", "a=sdpmangled:yes\r\n")
.
.
.
route {
.
.
if (nat_uac_test("115")) {
if(nat_uac_test("64"))
force_rport();
}
if (method=="REGISTER") {
fix_nated_register();
add_rcv_param();
} else {
fix_nated_contact();
if(nat_uac_test("64")){
if (!add_contact_alias()) {
xlog("L_ERR", "Error aliasing contact <$ct>\n");
sl_send_reply("400", "Bad Request");
exit;
}
} else {
add_rcv_param();
}
}
}
.
.
onreply_route {
if (nat_uac_test(64)) {
add_contact_alias();
}
.
.
}
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