Through the stun protocol can I get to the client (phone) of public information, now have ClientA (phone A) under the wifi, ClientB (phone B) under the mobile 2 g, A to B public IP, port sends udp packets (string), B can be received; Send below 2 K file A to B, B is also can receive, now the problem is A to B to send A little big file (3.5 K), B won't accept it, moreover, I want to achieve is to send A to B more than 10 m file, the problem is not clear why can't A large file packet received? Because mobile 2 g network?

CodePudding user response:

Great god glad