GSM Shield MultiSension

Hi, I use GSM Shield with Mega, i want to send (client) and recieve (server) data foron users.

i want to send sensor data to web server (database) every 10 minutes (i use 8080 port). and i want to listen 80 port for incoming commands. but when i want to make this not work.

i search and find QIMUX AT command for multi socket connection. but i didnt do that :( please helpp