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looking for telephone interface 'input'
To: CRTech <crtech@crtech.org>
Subject: looking for telephone interface 'input'
From: Pat Wahl <pwahl@wwib.com>
Date: Thu, 20 Sep 2018 13:02:17 -0500
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I'm curious about SIP phones. Traditional POTS has the caller and send audio shared on a copper pair. Interface to a console requires a complicated hybrid. With SIP, isn't the transport of caller audio and send audio separate? If so, what's the need for a hybrid? Is there (shouldn't there be) an appliance or a 'software defined' phone for PC (using PC sound hardware) that would easily interface to a console's input and mix-minus? 

I know little to nothing, but I'm being plunged into this new world.

Pat Wahl
Chippewa Falls, WI
Follow-Ups: Re: looking for telephone interface 'input'
(Chris Wygal <cmwygal@gmail.com>, 22 Sep 2018 02:20:48 -0000)
Re: looking for telephone interface 'input'
(Pat Wahl <pwahl@wwib.com>, 22 Sep 2018 05:03:33 -0000)
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