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1 supervision, 2 signaling, 3 call supervision – EFJohnson 3000 SERIES User Manual

Page 112: 4 intra-terminal communication

1 supervision, 2 signaling, 3 call supervision | 4 intra-terminal communication | EFJohnson 3000 SERIES User Manual | Page 112 / 214 1 supervision, 2 signaling, 3 call supervision | 4 intra-terminal communication | EFJohnson 3000 SERIES User Manual | Page 112 / 214