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Hi Everybody, I've recently bought a Sangoma A104 card. It does have a linux driver provided, but my concern is that I'd like to test it without using PSTN/Asterisk/Additional HW. ...
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  1. #1
    lzw
    lzw is offline
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    Question [PPP] Idea of testing HW needed, using PPP


    Hi Everybody,

    I've recently bought a Sangoma A104 card. It does have a linux driver provided, but my concern is that I'd like to test it without using PSTN/Asterisk/Additional HW. Is this possible at all ? Normally, the setup would be like:

    PHone#1 === PSTN === A104 -- ASTERISK --- A104 === PSTN === PHone#2

    Where '=' is a physical cable, and '-' represents logical link.

    I'd rather have something like this:

    VI#0 --- A104 === A104 --- VI#1

    where 'VI' is some kind of virtual interface (?). In other words, I am wondering if I could use a cable to connect two T1 ports of A104's (like a loopback), create some virtual interfaces, and use PPP as a protocol. The idea is to originate the packet on one of VIs and send it over A104 to the other VI. Since I don't know internals of PPP and am by no means Linux expert, I'm not sure whether such a connection makes any sense (and whether it's possible). Thank you for criticism and advice!

    -R
    Last edited by lzw; 02-08-2013 at 06:05 AM. Reason: SUpplemented the question

  2. #2
    Linux Newbie
    Join Date
    Jun 2012
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    You mentioned a virtual interface in relation to ppp devices. Maybe a dummy interface?

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