Hi Tim, Thanks for your response. Here is my topology as listing down below;
PSTN Line --> Cisco Voice GW --> IP Cloud --> Asterisk Will Asterisk able to receive the fax (as in topology above) using its' fax module? In sip.conf I enabled fax detection and T.38. Actually I don't want to use Hylafax + iaxmodem as per requirement. Please advice. > Date: Fri, 1 Jun 2012 10:19:12 -0400 > From: Ahmed Munir <ahmedmunir...@gmail.com> > Subject: [asterisk-users] Fax over IP ? > To: asterisk-users@lists.digium.com > Message-ID: > <CAGMN=JcD=ry54euw-z5qfjtkvx-mpcdtvnc_viktnohyxvu...@mail.gmail.com > > > Content-Type: text/plain; charset="iso-8859-1" > > Hi all, > > Couple of things I would like ask, does Asterisk provides free license for > FoIP (for 1 channel) or need to purchase it? Couple of years back, I was > able to send and receive the fax using Digium T1 card, in term of FoIP how > can I able to receive fax from traditional telephone lines / T1 lines? As > far my understanding, the functionality for FoIP is to send fax to email or > receive fax from email i.e. using T.38 protocol. > > The thing I would like to know how I can implement this solution i.e. > receiving fax via IP? Correct me if I'm wrong, while receiving fax from > traditional telephone lines will the topology looks like as listed below; > > PSTN Lines --> Asterisk (mounted a T1/ analog card) --> IP --> Asterisk > (receive Fax over IP) > > or else? > > Please advice. > > > -- > Regards, > > Ahmed Munir Chohan > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.digium.com/pipermail/asterisk-users/attachments/20120601/3c861c56/attachment-0001.htm > > > > ------------------------------ > > Message: 15 > Date: Fri, 1 Jun 2012 09:29:19 -0500 (CDT) > From: Tim Nelson <tnel...@rockbochs.com> > Subject: Re: [asterisk-users] Fax over IP ? > To: Asterisk Users Mailing List - Non-Commercial Discussion > <asterisk-users@lists.digium.com> > Message-ID: <2939915.57880.1338560959074.javamail.r...@rockbochs.com> > Content-Type: text/plain; charset=utf-8 > > ----- Original Message ----- > > Hi all, > > Couple of things I would like ask, does Asterisk provides free > > license for FoIP (for 1 channel) or need to purchase it? Couple of > > years back, I was able to send and receive the fax using Digium T1 > > card, in term of FoIP how can I able to receive fax from traditional > > telephone lines / T1 lines? As far my understanding, the > > functionality for FoIP is to send fax to email or receive fax from > > email i.e. using T.38 protocol. > > The thing I would like to know how I can implement this solution i.e. > > receiving fax via IP? Correct me if I'm wrong, while receiving fax > > from traditional telephone lines will the topology looks like as > > listed below; > > PSTN Lines --> Asterisk (mounted a T1/ analog card) --> IP --> > > Asterisk (receive Fax over IP) > > or else? > > FoIP typically means the fax session traverses an IP link at some point, > most commonly at the 'last mile'. What happens to the fax after that is up > to your requirements. The faxes can be emailed out, stored in a web > application, printed to a printer, etc. The possibilities are endless. > > Asterisk does have a few options for faxing. Those are most notably: > > 1. Fax for Asterisk - Free license available for 1 channel, or paid > licenses for 2+ channels > 2. app_fax (I think this is the current module name) - Free fax module for > Asterisk, no channel limit, based on SpanDSP > 3. Hylafax+ and IAXmodem - Most complicated method of fax setup, but most > robust and reliable (in my testing). Would require use of Asterisk 10 with > T.38 gateway functionality for proper fax reception. > > Just keep in mind raw fax audio over VoIP is a bad idea, see here: > http://www.soft-switch.org/foip.html > > If you can provide some additional details on what you're planning to do, > we can give more info. > > --Tim > > > > ------------------------------ > > Message: 16 > Date: Fri, 1 Jun 2012 09:36:50 -0500 (CDT) > From: Tim Nelson <tnel...@rockbochs.com> > Subject: Re: [asterisk-users] Fax Server for Asterisk > To: Asterisk Users Mailing List - Non-Commercial Discussion > <asterisk-users@lists.digium.com> > Message-ID: <13867195.58161.1338561410617.javamail.r...@rockbochs.com> > Content-Type: text/plain; charset=utf-8 > > ----- Original Message ----- > > Hi Tim, > > Unfortunately i can't reproduce the scenario because it was a long > > time ago. But it would be nice to hear from you, what things can be > > verified within fax and Asterisk? Any TIP on wireshark monitoring? > > Within Asterisk, the debug logs can be helpful for routing/connectivity > diagnostics. With Hylafax, all of your details will be found in the session > logs in /var/spool/hylafax/log. Here you can see each session's interaction > with the remote fax device. It is an art deciphering the various protocols, > but the folks on the Hylafax lists are incredibly helpful until you've > learned the magic of understanding the logs directly. :) > > --Tim > -- Regards, Ahmed Munir Chohan
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