Gai-Tronics 256C Outdoor Rugged Telephone. Untested for parts

GAI-Tronics 393-001 Red Alert Emergency Telephone Parts

Business phone system - Used, black, Verizon One talk desk phone

Vintage 1983 AT&T Emergency Call System Model 200 with Extra Transmitter IN BOX

Gai-Tronics 256C Outdoor Rugged Telephone. Untested for parts

Siecor Telephone Network Interface 2-Line

Avaya Merlin Classic 10-Button Membrane Phone with METAL Stand Warranty 7303

Siecor Telephone Network Interface 2-Line