How can connect web user defined with CP 1242-7 GPRS V2.0?

Hi, I have a project PLC S7-1200 with Web usrer defined . I can code HTML and connect to PLC S7-1200 by IP PLC , and i can nat port PLC to router wifi to concect to my Web to control my project by domain web
But I have a problem : How i can connect my web user defined with CP 1242-7 GPRS V2.0 , be cause i don't have mordum internet in the order project , so i want to connect my web server by CM 1242-7 GPRS V2.0
I don't known how I can connect my domain web by CB 1242-7 like my router 

Tks for help 

I am very gratefull for your replies!

Thanks!

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Split from Reach a Web server through 1242-7 GPRS module.

Closed cause question posted twice.

The second thread with the subject Web Server PLC S7-1200 With CP 1242-7 GPRS V2.0 is published within the conference SIMATIC S7-1200

Best regards,