Profile: Micro Seven, Inc. specializes in providing central office simulators, telephone-cable simulator, caller-ID simulator, alarm receiver/simulator, telephone line testers and international talking multimeter/voltmeter. Mini-PBX simulators which is a telephone line simulator or central office simulator is used by telecommunication equipment manufacturers. Our instruments simulate public telephone lines for many different characteristics. Our instruments provide 2, 4, 8, and 32 simulated telephone lines for testing and demonstrating telecommunication equipment. The simple 2-line, LS100-2 may be used to test 2-modem communications. The 32-line PC300-32AD may be used to test the internet applications. All our boxes provide battery-feed, ring signal and call progress tones & accept DTMF or rotary-pulse dialing and loop start. Its features also include 20Hz ring signal option, dual frequency call progress tone option, satellite delay option, programmable interface option by IEEE-488 and/or RS232C interfaces, 40V battery feed option, caller-ID option, caller-ID on call-waiting option, custom phone number option and fax monitor option.