Re: [asterisk-users] IAXModem or T38Modem?

2014-03-31 Thread James Cloos
 j == joakimsen  joakim...@gmail.com writes:

j I wouldn't mind if someone posted on the list a known working provider
j with the proper configuration to use T.38. In my case I don't consider
j it an issue with the provider because they sent the proper T.38
j Invite, but Asterisk IMO does not know how to handle it.

Are you using a single credential-tuple with the provider?

If the provider supports T.38 and if you can separate out fax lines,
there is no need to stick asterisk between them and t38modem.  Just have
t38modem access the provider directly.  Hylafax will handle the rest.

(Look for things like sub-account, peer and/or trunk configs.)

-JimC
--
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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-30 Thread joakimsen


On 3/25/2014 11:18 AM, Jeff LaCoursiere wrote:
Sorry - should have mentioned USA. I say almost zero luck, because I 
have managed to get a few faxes out with a handful of providers 
tested, but none consistently. If anyone is very happy with their T.38 
provider, please email me off list.


I got the spam message. At least she is cute.

Cheers,

j



I wouldn't mind if someone posted on the list a known working provider 
with the proper configuration to use T.38. In my case I don't consider 
it an issue with the provider because they sent the proper T.38 Invite, 
but Asterisk IMO does not know how to handle it.


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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-27 Thread Klaus Darilion
In my experience iaxmodem + Hylafax is very stable and work in my setups 
fine.


But in these setups I either use ISDN uplinks or SIP trunks with low RTT 
and jitter (highspeed links to the service provider, no WAN links). 
Thus, T38 is in my setups not necessary.


regards
Klaus

On 24.03.2014 06:41, Mike Diehl wrote:

Hi all,

I'm installing Hylafax on my Asterisk system.  From what I've read, I
can either use IAXModem or T38Modem to provide the virtual fax device.
So at the risk of starting a religious war, which one should I use?

I don't mind running IAX if I have to.  I want as much flexibility and
stability as I can get.

So, what are your recommendations?

Mike.




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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-25 Thread Jeff LaCoursiere

On 03/24/2014 05:50 PM, Thorolf Godawa wrote:

Hi,


I'm installing Hylafax on my Asterisk system.  From what I've read, I
can either use IAXModem or T38Modem to provide the virtual fax device.

we are using T38modem, it was a long way to get it stable, but finally
it works quite good with 10 parallel running T38modems.

But your carrier has to support T38, when we began to evaluate this some
years ago, this was not true for all.


Would you share the provider you are using?  I have had almost zero luck 
so far.


Thanks,

j

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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-25 Thread Steven Howes
On 25 Mar 2014, at 15:00, Jeff LaCoursiere j...@jeff.net wrote:
 On 03/24/2014 05:50 PM, Thorolf Godawa wrote:
 
 But your carrier has to support T38, when we began to evaluate this some
 years ago, this was not true for all.
 Would you share the provider you are using?  I have had almost zero luck so 
 far.

What country are you in? Every carrier we’ve tried in the UK supported T38 
without problem (so far.. I expect there is a few that don’t). Not sure I can 
name specific carriers as this is the non-commercial list though.

Steve
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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-25 Thread Jeff LaCoursiere

On 03/25/2014 10:13 AM, Steven Howes wrote:

On 25 Mar 2014, at 15:00, Jeff LaCoursiere j...@jeff.net wrote:

On 03/24/2014 05:50 PM, Thorolf Godawa wrote:

But your carrier has to support T38, when we began to evaluate this some
years ago, this was not true for all.

Would you share the provider you are using?  I have had almost zero luck so far.

What country are you in? Every carrier we’ve tried in the UK supported T38 
without problem (so far.. I expect there is a few that don’t). Not sure I can 
name specific carriers as this is the non-commercial list though.

Steve


Sorry - should have mentioned USA. I say almost zero luck, because I 
have managed to get a few faxes out with a handful of providers tested, 
but none consistently. If anyone is very happy with their T.38 provider, 
please email me off list.


I got the spam message. At least she is cute.

Cheers,

j

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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-25 Thread Eric Wieling
I would not say happy, since there is no happiness in a world with T.38, but 
Level 3 supports T.38.Level 3 is wholesale only as far as I know.  

Vitelity has some fax service stuff too.

-Original Message-
From: asterisk-users-boun...@lists.digium.com 
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Jeff LaCoursiere
Sent: Tuesday, March 25, 2014 11:19 AM
To: asterisk-users@lists.digium.com
Subject: Re: [asterisk-users] IAXModem or T38Modem?

On 03/25/2014 10:13 AM, Steven Howes wrote:
 On 25 Mar 2014, at 15:00, Jeff LaCoursiere j...@jeff.net wrote:
 On 03/24/2014 05:50 PM, Thorolf Godawa wrote:
 But your carrier has to support T38, when we began to evaluate this 
 some years ago, this was not true for all.
 Would you share the provider you are using?  I have had almost zero luck so 
 far.
 What country are you in? Every carrier we've tried in the UK supported T38 
 without problem (so far.. I expect there is a few that don't). Not sure I can 
 name specific carriers as this is the non-commercial list though.

 Steve

Sorry - should have mentioned USA. I say almost zero luck, because I have 
managed to get a few faxes out with a handful of providers tested, but none 
consistently. If anyone is very happy with their T.38 provider, please email me 
off list.

I got the spam message. At least she is cute.

Cheers,

j

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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-24 Thread Ксения Юрьевна Блащук
Personally I use spandsp + res_fax (res_fax.so, res_fax_spandsp.so) and
SendFAX/ReceiveFAX applications.


2014-03-24 8:41 GMT+03:00 Mike Diehl mdiehlena...@gmail.com:

 Hi all,

 I'm installing Hylafax on my Asterisk system.  From what I've read, I can
 either use IAXModem or T38Modem to provide the virtual fax device.  So at
 the risk of starting a religious war, which one should I use?

 I don't mind running IAX if I have to.  I want as much flexibility and
 stability as I can get.

 So, what are your recommendations?

 Mike.

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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-24 Thread Phil Reynolds
On Mon, 24 Mar 2014 01:41:47 -0400
Mike Diehl mdiehlena...@gmail.com wrote:

 Hi all,
 
 I'm installing Hylafax on my Asterisk system.  From what I've read, I
 can either use IAXModem or T38Modem to provide the virtual fax
 device.  So at the risk of starting a religious war, which one should
 I use?

I have to use both. IAXModem is fine for sending but receives garbage,
and T38Modem is fine for receiving but treats all outgoing calls as
busy.

-- 
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mail: phil-aster...@tinsleyviaduct.com
Web: http://phil.tinsleyviaduct.com/

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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-24 Thread Karsten Wemheuer
Hi Mike,

Am Montag, den 24.03.2014, 01:41 -0400 schrieb Mike Diehl:
 Hi all,
 I'm installing Hylafax on my Asterisk system.  From what I've read, I
 can either use IAXModem or T38Modem to provide the virtual fax device.
 So at the risk of starting a religious war, which one should I use?
 I don't mind running IAX if I have to.  I want as much flexibility and
 stability as I can get.
 So, what are your recommendations?

It depends on Your environment and Your asterisk version. If Your
connection to the PSTN is via ISDN (eg. channel via DAHDI or CAPI), You
should use IAXmodem. The fax is transferred on the audio layer and there
is no need to translate it into T.38. If Your connection is via some
VoIP Provider using T.38 or via a Mediagateway like BeroFix, You should
use T38Modem.

Newer versions of asterisk have additional features regarding T.38
(AFAIK). In this case there may be no need for any of the modems.

HTH,

Karsten




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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-24 Thread James B. Byrne

On Mon, March 24, 2014 01:41, Mike Diehl wrote:
 Hi all,

 I'm installing Hylafax on my Asterisk system.  From what I've read, I can
 either use IAXModem or T38Modem to provide the virtual fax device.  So at
 the risk of starting a religious war, which one should I use?

 I don't mind running IAX if I have to.  I want as much flexibility and
 stability as I can get.

 So, what are your recommendations?

 Mike.


We use IAXModem-1.2.0 built from source and packaged as an rpm using
mock/rpmbuild together with Hylafax+-5.5.3 from epel.  Since April 2013 this
combination has been running two dedicated POTS lines through a TDM800-p8 on
our Atom CentOS-6.3 based Asterisk-11.7.0 (current version) box without any
reported difficulties (once I sorted out the upstart stanzas).

As this is the only combination I have experience with it is the only one I
can recommend.  But it has proven very reliable so far as I am aware and I
would be made aware pretty quickly if it was not.

-- 
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9 Brockley Drive  vox: +1 905 561 1241
Hamilton, Ontario fax: +1 905 561 0757
Canada  L8E 3C3


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Re: [asterisk-users] IAXModem or T38Modem?

2014-03-24 Thread Thorolf Godawa
Hi,

 I'm installing Hylafax on my Asterisk system.  From what I've read, I
 can either use IAXModem or T38Modem to provide the virtual fax device.
we are using T38modem, it was a long way to get it stable, but finally
it works quite good with 10 parallel running T38modems.

But your carrier has to support T38, when we began to evaluate this some
years ago, this was not true for all.
-- 

kind regards,

T.

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