Technician for supply, installation, maintenance, and programming @@@Surveillance Cameras + Central Exchanges + Attendance and Departure Fingerprints @@@ New and used Panasonic central exchange (8) extensions system (16) extensions system (24) extensions system, and more Avaya central exchange Digital system IP system and linking branches Nortel central exchange Norstar central exchange PCM central exchange Supply, installation of fingerprint devices Attendance and departure devices Installation of networks and network boosters Supply, installation, and maintenance @@@Surveillance Cameras@@@ Dahua cameras Hikvision cameras And linking them to mobile There are also specialized technicians for maintaining faults in internal extensions, external communications, network and internet outages, And maintenance of faults in surveillance cameras