Hey Gebreabzgi Pawlos,
Simulation GSM component not available in proteus. But if you have GSM module and you want to communicate with proteus then it is possible.Click on library of proteus and serach 'COMPIM'.Select it and enter configuration by double click on it.Connect your GSM modem with PC and check communicate port by go on 'manage' by right click on computer icon.same configuration make in proteous COMPIM.Now you can direclty communicate with GSM module from proteus.You can also interface COMPIM with controller and test your application through proteus.