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  Home Projects Telephone related  

 

| Telephone Projects |

  Name Language PCB
         
1

 

Phone line indicator
2   Phone Busy Indicator -
3   Telephone Hold Button -
4   The Link Telephone Intercom -
5   The Link A2B+1 (the Link Telephone Intercom - DTMF version) -
6   The Link 4+0 Internal Intercom -
7   The Original 2 Phone Link Design -
8   The Link "P" - Privacy Link! (Telephone Intercom) -
9   Two way Simple Very Small Telephone Exchange -

 

 
 

 
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