Note the " Recall " button and the Message Waiting Lamp. Centrex is a portmanteau of central exchange, a kind of telephone exchange.
Note the " Recall " button and the Message Waiting Lamp.
0.026 seconds.
Note the " Recall " button and the Message Waiting Lamp. Centrex is a portmanteau of central exchange, a kind of telephone exchange.
Note the " Recall " button and the Message Waiting Lamp.
0.026 seconds.