[Asterisk-Dev] Implementing for new hardware

[German Viera]

My question is if there is any interface to implement a channel, because I
was reading chnnel_modem and channel_zap and they have different functions,
Who calls channel_xxx ???



----- Original Message ----- 
From: "Steven Critchfield" <critch at basesys.com>
To: <asterisk-dev at lists.digium.com>
Sent: Monday, March 29, 2004 12:49 PM
Subject: Re: [Asterisk-Dev] Implementing for new hardware


> On Mon, 2004-03-29 at 09:35, German Viera wrote:
> > Hi,
> >     I am new to asterisk and I am a bit confused with de architecture
> > of the soft. I would like to imlpement some modules to incorporate new
> > hardware (telephony) to asterisk (for example NMS boards) . I would be
> > very gratefull if somebody could tell me wich modules implement the
> > interface between asterisk and hardware and some brief explanation of
> > how they communicate.
> >
> > Hope somebody could help me,
>
> On cursory glance at the NMS website, You will run into a legal problem
> first. I do not believe they have a GPL driver or SDK. So your first
> problem is in licensing of software.
>
> As for the technical question. You need look no further than the channel
> subdirectory to see where and how to write a channel driver.
>
> Is there a reason to use their hardware over Digium Hardware? Other than
> a couple of cards that Digium doesn't support yet, probably not. Digium
> Hardware is most likely cheaper also as the NMS hardware has codecs
> implemented onto them and asterisk won't use them.
> -- 
> Steven Critchfield  <critch at basesys.com>
>
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