Re: HDLC via V.24 or b-channel?
Jens Bürger <[email protected]>
| Newsgroups | gmane.linux.isdn.i4l.user |
|---|---|
| Message-ID | <[email protected]> |
Am 16.03.2012 um 00:00 schrieb Tilman Schmidt: > Am 15.03.2012 16:51, schrieb Jens Bürger: >> What I am not sure about is the question, how HDLC might have been >> implemented via "V.24"? Would it be possible to do this via a standard >> (USB-)RS232-interface? > > V.24 (or equivalently, RS232C) is just a mechanical and electrical > specification for a serial interface. […] > However, whether > - the "8251"s inside today's chipsets still retain that capability > - USB serial adapters can do synchronous transmission at all > - Linux serial drivers support any of that […] Okay... this may explain why the original hardware-software-bundle which was available used a proprietary interface card on the PC-side. So I think it would be the better way to try to connect to the PBX via ISDN, right? Thanks so far, Jens