I am filtering the ngrep will device username and getting below
U 70.71.10.16:5060 -> 16.63.14.13:5060
REGISTER sip:sip.mytel.com:5067 SIP/2.0.
Via: SIP/2.0/UDP 70.71.10.16:5060;branch=z9hG4bK715725659.
To: <sip:241186@sip.mytel.com>.
From: 241186 <sip:241186@sip.mytel.com>;tag=1986135880.
CSeq: 18 REGISTER.
Call-ID: 1180990338@192.168.0.19.
Contact: <sip:241186@70.71.10.16:5060>.
Max-Forwards: 70.
User-Agent: iSoftStone.
Expires: 600.
Content-Length: 0.
.
and while freesiwtch's siptrace is also on, yet i am getting nothing in freeswitch side.
and i am sure there is no firewall with server.
Could this be the UAC issue?
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}