Present-day PSTN ‘terminals1’
			n Fixed-line phones (analog, ISDN) n Cordless phones (PBX-RF interface: DECT2) n Fax n Pay phones n Private Branch Exchange (PBX) n Gateways to Public Land Mobile Networks (PLMN): n GSM n wireless local area networks (WLAN) n Local loop data extensions n modems n ADSL technology n (leased lines)