Make conference calls on landline - Project idea help.

@keerthisarma-AA3SOa • Oct 22, 2024

Oct 22, 2024

904

hi sir
im in my final year ece
i want to do a project on duophone which makes it possible to make conference calls on landline
i want to know whether it is a new concept or it is already in implementation
our staff asked us to do a project which is not done before
im interested in the field of communications
please help me
is this concept new or old?
is it possible to create a project report on duophone?
has anyone done this project before?
please help me

thank you sir

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Ankita Katdare

@abrakadabra • Jun 6, 2012

@keerthisharma Welcome to CrazyEngineers. I have changed your title to help your thread get immediate attention.
Could you elaborate a bit more on your project? What are the problems you facing? Where are you stuck?

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keerthisarma

@keerthisarma-AA3SOa • Jun 6, 2012

sir is this duophone concept is in implemntation?

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keerthisarma

@keerthisarma-AA3SOa • Jun 6, 2012

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

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Harshad Italiya

@harshad-ukH5ww • Jun 7, 2012

Some companies are designing such devices. Not sure about It's circuit diagram and internal parts.

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keerthisarma

@keerthisarma-AA3SOa • Jun 7, 2012

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

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