HI all, I am using 3cx with cisco gateway. It is working fine. And i can connect my android & Iphone from outside. Now, I m Epygi IPPBX for other line. for both extention in same sip IP PHONE. Its also working. But now I can not connect my andriod from outside. I am using same port for both 3cx & epygi i.e 5060. Should I change for epygi, if yes then which port? Kindly reply if you have experince like that. Thanks.