You may want to take a look t.38, t.39 which are the fax/ip/smtp standards. If Asterisk could be made to do this, then it would join the mainstream and inter-op with cisco gw's and such handling this sort of thing automagically for the billions of voice/fax minutes served.
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Kevin P. Fleming > Sent: Wednesday, June 09, 2004 00:33 > To: [EMAIL PROTECTED] > Subject: Re: [Asterisk-Users] Fax via email > > > Steve Underwood wrote: > > > If you want to FAX over IP you need to be *very* careful if > you want it > > to be reliable. You cannot use anything other than A-law or > u-law as the > > codec. However, even using those, any data slips will kill the FAX > > operation. If the two boxes are on the same LAN it tends to work OK. > > Yes, I would think that this sort of application would be > either local > LAN or _extremely_ low latency WAN connections only, and probably not > use audio compression at all. If you can't handle a few > 64kb/s streams > of audio for your FAXing application, then you have other problems to > worry about :-) > > > I mean CPU loading. HylaFAX only does 1D coding (unless > that changed > > very recently) and the ECM is brand new. The features you > list may be a > > lot less well tested than you think. :-) Also, only a tiny > fraction of > > FAX machines can even support ECM. > > As mentioned in the other replies, these are no longer true > statements > as of HylaFAX 4.2.0 (which is not yet released, but very close). And > putting the virtual modem client and HylaFAX on a separate box from > Asterisk should eliminate CPU consumption concerns, I'd think. > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > > -- > Scanned for viruses and dangerous content at > http://www.oneunified.net and is believed to be clean. > > -- Scanned for viruses and dangerous content at http://www.oneunified.net and is believed to be clean. _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
