START WITH SIM800 GSM MODULE FOR ARDUINO UNO R3

can any one help me to send sms and call from sim800
i want to know about schematic(connections) and code,im a begineer

any kind of help would be APRRICIATED

What research have you already done?

@aarg i have seen youtube videos and odered sim800 but the module which i orderd is different from what i saw. it have only one ground wheras in video it had 2 grnd

thank you for your precious time,i urge for a way as a help