anchor.diff:                              [make_contact, {reg_id, 2}, {fields, [parsed_contacts]}]),
       [
           #reg_contact{
  -            index = {ob, QInstanceC1, <<"2">>},
  +            index = {ob, QInstanceC1_id, <<"2">>},
               contact = Contact2,
               path = [#uri{user = <<"NkF", Flow1/binary>>}]
           },
           #reg_contact{
  -            index = {ob, QInstanceC2, <<"1">>},
  +            index = {ob, QInstanceC2_id, <<"1">>},
               contact = Contact3,
               path = [#uri{user = <<"NkF", Flow2/binary>>}]
           },
           #reg_contact{
  -            index = {ob, QInstanceC1, <<"1">>},
  +            index = {ob, QInstanceC1_id, <<"1">>},
               contact = Contact1,
               path = [#uri{user = <<"NkF", Flow1/binary>>}]
           }
  
positive.code:     {ok, InstanceC1} = nksip_sipapp_srv:get_uuid(C1),
      true = <<$", InstanceC1/binary, $">> == QInstanceC1,
  
      [#reg_contact{
          index = {ob, QInstanceC1, <<"1">>},
          contact = Contact1,
          path = [#uri{
              user = <<"NkF", _Flow1/binary>>,
  
negative.code: 
  -compile([export_all]).
  
  outbound_test_() ->
      {setup, spawn, 
          fun() -> start() end,
          fun(_) -> stop() end,
  