PTCL EVO not working with TP-LINK 3G Router

I have TP LINK 3G Router , Worldcall EVO is working fine with it by using their login password and Dialup number

But PTCL is not working using the Vfone Settings even Helpline does`nt know

Can anyone post APN or any other required settings

I am using

Dialup #777

Login :

Password: ptcl

Thanks in anticipation !

Can you please tell the model no. of your tp-link wireless router and the model no. of your USB?