JACKABEE

telephone equipment and accessories namely, line blocking devices, namely, apparatus which prevents a telephone, an answering machine, a fax machine or a modem from being interrupted during use, intrusion alerts, telephone head set indicators, telephone recorders, line in use indicators, sound amplifiers, single line hold buttons, single line music on hold, multiple line music on hold, night time ring suppressors, ring blockers, ring selectors, fax switches and line sharing devices, namely, apparatus which allows one telephone line to simultaneously serve a telephone, an answering machine, a fax machine and an alarm system