Ip public long time delay and not connect

I get this error, when use ip public :

06-15 22:55:42.930: W/System.err(2561): xx.xxx.xxx.xx:5222 Exception: XMPPError connecting to xx.xxx.xxx.xx:5222.; : remote-server-error(502)

My ip local is 192.168.2.103 (Wifi) and I have ports active 5222 “TCP&UDP”

No.
Dirección IP de la LAN
Tipo de Protocolo
Puerto
LAN
Puerto
Publico
Habilitar
1
192.168.2.103
TCP&UDP
80
80
Si

2
192.168.2.103
TCP&UDP
5222
5222
Si

3
192.168.2.103
TCP&UDP
9090
9090
Si

And I try connect but not work, 1 or 2 min delay (trying connect) and after get this error :

remote-server-error(502)

Any idea ? connect to slow + disconnect