if PDA and PC are in a same network, connect it using extension number.
if PDA and PC are not in a same network, connect it using connecting number.
If multiple PCs (PCs using Pasotel2) are in a same network and you want to connect to a PDA in another network, it is necessary to set router in PC of receiving side.
Please refer to homepage of pasotel2 for the setting method of router.
