TELECOMMUNICATIONS SERVICES, NAMELY, NETWORK SERVICES THAT PROVIDE DIAL-UP AND BROADBAND NETWORK SUBSCRIBERS WITH INCOMING CALL NOTIFICATION WHILE ON-LINE ON A NETWORK, VOICE MESSAGING AND CALL MANAGEMENT OPTIONS FOR ACCEPTING AND/OR REJECTING VOICE, DATA AND VIDEO CALLS WITHOUT DISCONNECTING FROM THE NETWORK, MULTIMEDIA CALL CONTROL FUNCTIONS, ROUTING OPTIONS, AUTOMATED CALL DEFLECTION AND COMPUTER TELEPHONY INTEGRATION; TELECOMMUNICATION SERVICES WHICH ENABLES SIMULTANEOUS VOICE COMMUNICATI...