msrihari
Newbie level 1
hello,
i am using sim300 based gsm modem.i want to interfac gsm audio with pc.i have handset connector and through 1:1 isolation transformer i connected it to pc.
i am able to hear the audio played in the pc thorugh phone but unable to interface with microcphone,some humm noise is coming.how can i perfectly interface with microcphone.
i am using sim300 based gsm modem.i want to interfac gsm audio with pc.i have handset connector and through 1:1 isolation transformer i connected it to pc.
i am able to hear the audio played in the pc thorugh phone but unable to interface with microcphone,some humm noise is coming.how can i perfectly interface with microcphone.