Re: [chan-capi-users] New version of ISDN4BSD and CHAN_CAPI available
Armin Schindler <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.isdn |
|---|---|
| Organization | Cytronics & Melware |
| Message-ID | <[email protected]> |
Please don't cross-post your announcements. One mailinglist is enough. Armin On Wed, 19 Apr 2006, Hans Petter Selasky wrote: > Hi, > > > A new version of ISDN4BSD and chan_capi for Asterisk is available. Please see: > > > http://www.turbocat.net/~hselasky/isdn4bsd > > And: > > http://www.turbocat.net/~hselasky/capi4pbx > > > Some news: > > There will be support for HFC-4S/8S in not very long. I am currently awaiting > hardware to do some testing. The driver is already in the sources. > > Many people are starting to use Asterisk and I4B in NT-mode, for their main > home PBX. This works pretty well. The only problem so far is when bridging > modems and faxes, which do not always succeed. To make such devices work > better, I4B now supports line interconnect through /dev/capi20. Currently > only HFC-E1 and HFC-4S/8S based cards will have support for that. Line > interconnect must be configured using "isdnconfig" before it works. The big > problem is called echo cancelling. To save money, telephone manufactureres > often let the network side do this part, in other words I4B. Doing echo > cancelling in software is a very CPU intensive task, so instead of performing > echo cancelling, "chan_capi" can perform echo suppression, which is easier > and sounds perceptually the same. Currenly my version of "chan_capi" has a > brand new echo suppressor, that even has a white noise generator for your > comfort. The echo suppressor allows faxes to pass through, but not duplex > modems. In NT-mode, I4B seems to be stable. That means it should not crash > the connected PBX, due to software bugs and memory leaks. > > Have fun. > > --HPS > _______________________________________________ > Chan-capi-users mailing list > [email protected] > http://lists.melware.net/mailman/listinfo/chan-capi-users > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-isdn To unsubscribe, send any mail to "[email protected]"