anchor.diff:                         inet:ip_address(), inet:port_number(), nksip_lib:proplist()) ->
       {ok, pid(), nksip_transport:transport()} | {error, term()}.
   
  +start_connection(AppId, udp, Ip, Port, Opts) ->
  +    nksip_transport_srv:start_connection(AppId, udp, Ip, Port, Opts);
  +
   start_connection(AppId, Proto, Ip, Port, Opts) ->
       Max = nksip_config:get(max_connections),
       case nksip_counters:value(nksip_transport_tcp) of
  
positive.code: 
  
  %% @private
  do_send(tcp, Pid, SipMsg) -> nksip_transport_tcp:send(Pid, SipMsg);
  do_send(tls, Pid, SipMsg) -> nksip_transport_tcp:send(Pid, SipMsg);
  do_send(sctp, Pid, SipMsg) -> nksip_transport_sctp:send(Pid, SipMsg).
  
  
  %% @private
  
negative.code: -author('Carlos Gonzalez <carlosj.gf@gmail.com>').
  
  -export([get_all/0, get_all/1, get_listening/3, get_connected/4]).
  -export([is_local/2, is_local_ip/1, main_ip/0, main_ip6/0, start_ping/2]).
  -export([start_transport/5, start_connection/5, default_port/1]).
  -export([send/4, raw_send/2]).
  
  