Arduino pins used by TinySine GSM Shield (SIM900)

Hi,

I'm using the TinySine GSM (SIM900) shield, what are the pins used by the shield for communication with the Arduino ?

Tinysine web page for the shield : http://www.tinyosshop.com/index.php?route=product/product&product_id=464

Looking at the schematic for the shield and it looks like it's using.
D0/D2 (Depends on shield jumper setting)
D1/D3 (Depends on shield jumper setting)
D7
D8
D9
RST
5V
GND