Configure GOIP 8 channel GSM Gateway to work with our asterisk

We use Freepbx and have configured our 8 channel GOIP (gsm gateway) to make outbound calls through the GOIP gateway. Now we need to configure the following: 1) Calls that are made to the GSM numbers that are in the GOIP should be forwarded to our PBX so that our PBX dias a preconfigured number. 2) help with the html command line to send SMS requests to the SMS server that we configured which then sends the SMS request to the GOIP. basic html command is similar to .... [login to view URL] I only want programmers who have worked with this specific GOIP gateway that I have put the manual attached to this request. [login to view URL] To do the full configuration of the VOIP gateway with the asterisk doesnt take more than 10-20 min for the experienced user of the GOIP gateway, but this service has already been done. We just need the call forwarding to be configured and also the SMS server software has all been installed and we just need to configure it and help with the exact html command to send. I don't think this will take an hour but have several other needs of competent VOIP+GOIP professional