anchor.diff:  
   	{ok, 200} = nksip_uac:options(client2, "sip:127.0.0.1:5070", []),
   	{ok, 407} = nksip_uac:options(client1, "sip:127.0.0.1", []),
  +	
   	{ok, 200} = nksip_uac:options(client1, "sip:127.0.0.1", 
   									[{pass, "1234"}]),
   	{ok, 200} = nksip_uac:options(client2, "sip:127.0.0.1;transport=tls", 
  
positive.code: 									[{pass, "1234"}, make_contact]),
  	{ok, 200} = nksip_uac:register(client2, "sip:127.0.0.1;transport=tls", 
  									[{pass, "1234"}, make_contact]),
  	{reply, Resp1} = nksip_uac:register(client2, "sip:127.0.0.1;transport=tls", 
  									[{pass, "1234"}, full_response]),
  	200 = nksip_response:code(Resp1),
  
negative.code: 		 	{transport, {udp, {0,0,0,0}, 5060}}, 
  		 	{transport, {tls, {0,0,0,0}, 5061}}
  		 ]),
  
  	nksip:start(client1, nksip_tutorial_sipapp_client, [client1], 
  		[
  			{from, "sip:client1@nksip"},
  