If successful your info box should look something like this,

Send (00001) - CMD_SEND_TEXT_CODE
Send (11576) - CMD_LOGIN
Recv (11576) - SRV_ACK
Recv (00000) - SRV_LOGIN_REPLY
Send (00000) - CMD_ACK
Send (11577) - CMD_LOGIN_1
Recv (11579) - SRV_ACK
Recv (00001) - Multi Packet 2
Recv (00001) - SRV_META_USER
Send (00001) - CMD_ACK
Recv (00002) - SRV_META_USER
Send (00002) - CMD_ACK
Recv (00003) - Multi Packet 2
Recv (00003) - SRV_X1
Send (00003) - CMD_ACK
Recv (00004) - SRV_X2
Send (00004) - CMD_ACK
Send (11580) - CMD_ACK_MESSAGES
Recv (11580) - SRV_ACK

If you get something like this

Recv (00000) - ERROR - Unknown Packet version 3

-it means you cannot register that account.