COMPUTER PROGRAMS THAT ALERT MAIL USERS THAT MAIL HAS BEEN RECEIVED BY NOTIFYING THE USER VIA A TELEPHONE NETWORK OR PAGER NETWORK
Electrical and Scientific ApparatusMAIL NOTIFICATION SERVICES FOR OTHERS WHICH NOTIFY MAIL USERS THAT MAIL HAS BEEN RECEIVED BY NOTIFYING THE USER VIA A TELEPHONE NETWORK OR A PAGER NETWORK
Telecommunications