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How to build a telephone interface with LCD,keypads, handset

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bulerias1

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PHONE INTERFACE ?

Hi,
IS THERE ANY OPEN DESIGN,HOW TO BUILD A TELEPHONE INTERFACE?
INCLUDE:LCD,KEYPADS,HANDSET ETC ?
ILL APRICIATE ANY HELP...
THANKS

BULL
 

penrico

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Re: PHONE INTERFACE ?

Be more specific what do you need :!:
Interface to what??
 

papyaki

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Re: PHONE INTERFACE ?

Hi,

Have a look at this app. note from Midcom. It describe a full CTR21 compatible phone line interface (scroll down) :

h**p://www.midcom-inc.com/tech/tn88.htm.
 

bulerias1

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Re: PHONE INTERFACE ?

i want to take these element from the analog telephone,and to
build my own telephone...
bull
 

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