Hello! I wonder if there is a way to make rxfax recieve fax on outgoing call? The idea is that registered FS user dials out, than tone_detect is used to detect fax tone and start rxfax. The difference is that rxfax should be run on B-leg, instead of A-leg in incoming fax call scenario. I've tried to make a test config with outgoing call, rxfax & tone_detect, but when I dial out and remote user starts sending fax to me, FS detects a tone correctly, starts rxfax, but on my leg (A-leg, i hear fax tones) and B-leg (with real fax machine) is hanged up. Are there are solutions to explain somehow to rxfax that it should be run on B-leg, not on A-leg? Thanks in advance! With best regards, Kirill.
hi kirill this is working by manually transferring the call to another extension. you can use the model here but use tone detect app: http://wiki.freeswitch.org/wiki/Mod_spandsp#Manual_fax_transmission hope it works! -nandy On Fri, Jul 22, 2011 at 12:56 AM, <slash@nat-tele.com> wrote:
Hello!
I wonder if there is a way to make rxfax recieve fax on outgoing call? The idea is that registered FS user dials out, than tone_detect is used to detect fax tone and start rxfax. The difference is that rxfax should be run on B-leg, instead of A-leg in incoming fax call scenario.
I've tried to make a test config with outgoing call, rxfax & tone_detect, but when I dial out and remote user starts sending fax to me, FS detects a tone correctly, starts rxfax, but on my leg (A-leg, i hear fax tones) and B-leg (with real fax machine) is hanged up.
Are there are solutions to explain somehow to rxfax that it should be run on B-leg, not on A-leg?
Thanks in advance!
With best regards, Kirill.
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On 07/22/2011 12:56 AM, slash@nat-tele.com wrote:
Hello!
I wonder if there is a way to make rxfax recieve fax on outgoing call? The idea is that registered FS user dials out, than tone_detect is used to detect fax tone and start rxfax. The difference is that rxfax should be run on B-leg, instead of A-leg in incoming fax call scenario.
I've tried to make a test config with outgoing call, rxfax& tone_detect, but when I dial out and remote user starts sending fax to me, FS detects a tone correctly, starts rxfax, but on my leg (A-leg, i hear fax tones) and B-leg (with real fax machine) is hanged up.
Are there are solutions to explain somehow to rxfax that it should be run on B-leg, not on A-leg?
Thanks in advance!
With best regards, Kirill. If you use rxfax at the outgoing end of a call, mod_spandsp expects to get that FAX by the polling procedure (i.e. the one you use when you dial into a FAX server to collect an information FAX from it). If you want to freely act as a simple FAX transmitter or receiver in the middle of a call, the current module code may not properly allow for that. As someone else said, there are tricks related to call transfers which can be used to coax the fax instance into caller or answerer mode. Spandsp does pretty much everything the FAX spec allows. If there is demand we could provide access to more of that functionality.
Steve
On Sat, 23 Jul 2011 21:35:53 +0800, Steve Underwood <steveu@coppice.org> wrote:
On 07/22/2011 12:56 AM, slash@nat-tele.com wrote:
Hello!
I wonder if there is a way to make rxfax recieve fax on outgoing call? The idea is that registered FS user dials out, than tone_detect is used to detect fax tone and start rxfax. The difference is that rxfax should be run on B-leg, instead of A-leg in incoming fax call scenario.
I've tried to make a test config with outgoing call, rxfax& tone_detect, but when I dial out and remote user starts sending fax to me, FS detects a tone correctly, starts rxfax, but on my leg (A-leg, i hear fax tones) and B-leg (with real fax machine) is hanged up.
Are there are solutions to explain somehow to rxfax that it should be run on B-leg, not on A-leg?
Thanks in advance!
With best regards, Kirill. If you use rxfax at the outgoing end of a call, mod_spandsp expects to get that FAX by the polling procedure (i.e. the one you use when you dial into a FAX server to collect an information FAX from it). If you want to freely act as a simple FAX transmitter or receiver in the middle of a call, the current module code may not properly allow for that. As someone else said, there are tricks related to call transfers which can be used to coax the fax instance into caller or answerer mode. Spandsp does pretty much everything the FAX spec allows. If there is demand we could provide access to more of that functionality.
Steve
The idea with manual call transfer is good, but it's hard to remember that every time you should ask remote end to press *1 before starting fax. It's much more comfortable for everybody to be able use rxfax as a simple FAX transmitter or receiver in the middle of a call... There is a demand for that functionality : ) With best regards, Kirill.
re pressing *1. it's the caller (A-party) who performs this. i agree tone detection would be a better feature. however, having *1 as backup is also nice. On Mon, Jul 25, 2011 at 3:58 PM, <slash@nat-tele.com> wrote:
On Sat, 23 Jul 2011 21:35:53 +0800, Steve Underwood <steveu@coppice.org> wrote:
On 07/22/2011 12:56 AM, slash@nat-tele.com wrote:
Hello!
I wonder if there is a way to make rxfax recieve fax on outgoing call? The idea is that registered FS user dials out, than tone_detect is used to detect fax tone and start rxfax. The difference is that rxfax should be run on B-leg, instead of A-leg in incoming fax call scenario.
I've tried to make a test config with outgoing call, rxfax& tone_detect, but when I dial out and remote user starts sending fax to me, FS detects a tone correctly, starts rxfax, but on my leg (A-leg, i hear fax tones) and B-leg (with real fax machine) is hanged up.
Are there are solutions to explain somehow to rxfax that it should be run on B-leg, not on A-leg?
Thanks in advance!
With best regards, Kirill. If you use rxfax at the outgoing end of a call, mod_spandsp expects to get that FAX by the polling procedure (i.e. the one you use when you dial into a FAX server to collect an information FAX from it). If you want to freely act as a simple FAX transmitter or receiver in the middle of a call, the current module code may not properly allow for that. As someone else said, there are tricks related to call transfers which can be used to coax the fax instance into caller or answerer mode. Spandsp does pretty much everything the FAX spec allows. If there is demand we could provide access to more of that functionality.
Steve
The idea with manual call transfer is good, but it's hard to remember that every time you should ask remote end to press *1 before starting fax. It's much more comfortable for everybody to be able use rxfax as a simple FAX transmitter or receiver in the middle of a call... There is a demand for that functionality : )
With best regards, Kirill.
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participants (3)
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Nandy Dagondon
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slash＠nat-tele.com
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Steve Underwood