Category:Telephony signals

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Main article: telephony signal

Pages in category "Telephony signals"

There are 32 pages in this section of this category.

2

2600 hertz

B

Busy signal

C

D

E

E and M signaling

G

L

Loop start

M

O

P

Pulse dialing

R

S

T

W

Wink pulsing

Z

Zip tone

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Category: Telephony

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