keerthisarma

keerthisarma

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Member since
Jun 6, 2012
Last active
Jun 16, 2012
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0

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  1. #Threads

    c363458c-035d-424f-bca6-1287ac88a6ba

    sir , i got the circuit from efy magazine please help me if i could do a project on this topic

  2. #Threads

    dc838833-10da-49e3-94a8-8d730b5df3a7

    sir the circuit used allows us to access two telephone lines through a conference switch

  3. #Threads

    855f48e2-ff03-45c1-86ed-ec0a9fef809e

    sir is this duophone concept is in implemntation?

  4. #Threads

    Make conference calls on landline - Project idea help.

    hi sir im in my final year ece i want to do a project on duophone which makes it possible to make...