Touch Tone Blocking


I need to devise a way to keep users from playing touch tones over the
paging system. If you can suggest a way to prevent users from
sounding touch tones over the paging amplifier circuit post it here or
E-mail direct. Be advised that my ISP's anti Spam software will
generate a service message to which you will have to respond in order
for me to receive your e-mail.
Tom H
[TELECOM Digest Editor's Note: At least on the older Bell
switchboards, there was a certain contact on the network (inside the
switchboard) to mute your earpiece from the audio on touch tones while
still playing them out over the phone. It was generally only done for
switchboard operators to prevent them having to listen to the tones
all the time as they placed calls. PAT]
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Takoma Park Volunteer Fire Dep
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