Don Pobanz escreveu:
Frame slips are NOT motherboard related!
I had problems with some combinations of motherboards, memory sizes and
linux kernel versions.
There are timing problems that also causes frame slips, like buffer
overruns or underruns, but these are software related.
--
Paulo
, 5 April 2006 9:09 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Re: Asterisk in production as a fax
server,anyone?
Don Pobanz escreveu:
Frame slips are NOT motherboard related!
I had problems with some combinations of motherboards, memory sizes
PROTECTED]
|[mailto:[EMAIL PROTECTED] On Behalf Of
|MBIT Technologies
|Sent: Tuesday, April 04, 2006 6:19 PM
|To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
|Subject: RE: [Asterisk-Users] Re: Asterisk in production as a
|fax server,anyone?
|
|I'm not sure if this has been brought up
But boards with hardware DSPs costs an arm and two legs.
Using asterisk+hylafax with cheap Digium or Sangoma boards can lead to a
less than perfect solution, but away more afordable.
--
Paulo
MBIT Technologies escreveu:
I'm not sure if this has been brought up before but I don't think
2006/3/31, Rich Adamson [EMAIL PROTECTED]:
Yes, particularly for voice. For faxes, it may or may not be 90% andwill be directly related to how far off the clocks are (eg, how far outof sync they are).Which command should I use to measure clocks syncs ?
I'm thinking of something that for every fax,
Olivier Krief wrote:
2006/3/31, Rich Adamson [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]:
Yes, particularly for voice. For faxes, it may or may not be 90% and
will be directly related to how far off the clocks are (eg, how far out
of sync they are).
Which command should I use to
2006/4/4, Rich Adamson [EMAIL PROTECTED]:
Olivier Krief wrote: 2006/3/31, Rich Adamson [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]:
Yes, particularly for voice. For faxes, it may or may not be 90% and will be directly related to how far off the clocks are (eg, how far out of sync they are). Which
Don Pobanz wrote:
Adolfo R. Brandes wrote:
Lee Howard wrote:
However, based on the comments you give I'd suspect that you're
having what people seem to be calling frame slipping. There seem
to be some motherboards that react poorly with Zap cards (or their
respective drivers) and cause
However, based on the comments you give I'd suspect that you're
having
what people seem to be calling frame slipping. There seem to be
some motherboards that react poorly with Zap cards (or their
respective drivers) and cause that. Your zttest results should be
So, if you are absolutely sure that you've specified the correct T1synchronization parameters in your /etc/zaptel.conf and you still have
fax reliability issues, look elsewhere in your implementation for theroot cause.So, would you conclude that it's possible for a given T1/E1 to have incorrect
Craig,
Please correct the date on your machine. Your emails stick to the top
of the list because they have a date of 6/30/2006.
Thank you,
Matthew Roth
InterMedia Marketing Solutions
Software Engineer and Systems Developer
___
--Bandwidth and
So, if you are absolutely sure that you've specified the correct T1
synchronization parameters in your /etc/zaptel.conf and you still have
fax reliability issues, look elsewhere in your implementation for the
root cause.
So, would you conclude that it's possible for a given T1/E1
Craig Guy wrote:
I have done this and it works. I have maxed out an E1 with 30
concurrent calls of which at least 25 would have been fax.
Thank you for your prompt reply! Now it's clear to me that at least it
can be done! I'll try replicating your scenario to see if I can also
get good
Lee Howard wrote:
However, based on the comments you give I'd suspect that you're having
what people seem to be calling frame slipping. There seem to be some
motherboards that react poorly with Zap cards (or their respective
drivers) and cause that. Your zttest results should be revealing
Adolfo R. Brandes wrote:
Lee Howard wrote:
The concurrent calls really isn't that big of a deal, either, if
those are your thoughts. The bigger issue seems to be the quality of
the audio as it is delivered to the fax application/modem.
Interesting. The little information I've found
Adolfo R. Brandes wrote:
Lee Howard wrote:
However, based on the comments you give I'd suspect that you're having
what people seem to be calling frame slipping. There seem to be
some motherboards that react poorly with Zap cards (or their
respective drivers) and cause that. Your zttest
Don Pobanz wrote:
Adolfo R. Brandes wrote:
Lee Howard wrote:
However, based on the comments you give I'd suspect that you're
having what people seem to be calling frame slipping. There seem
to be some motherboards that react poorly with Zap cards (or their
respective drivers) and cause
Most complaints concerning fax and asterisk are from people trying to fax over
IP.
--
--
Steven
May you have the peace and freedom that come from abandoning all hope of having
a better past.
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--- - - -- - --
]
To: Asterisk Users Mailing List - Non-Commercial Discussion
asterisk-users@lists.digium.com
Sent: Friday, March 31, 2006 3:05 AM
Subject: Re: [Asterisk-Users] Re: Asterisk in production as a fax
server,anyone?
Adolfo R. Brandes wrote:
Lee Howard wrote:
The concurrent calls really isn't
in production as a fax
server,anyone?
In practice I've found that the fax receiving process is sensitive to
CPU
load. If the load jumps too high you will see half page fax pages or
black
streaky pages mixed with perfectly good pages in a multipage fax.
Things
that can cause this include running agi
2006/3/30, Don Pobanz [EMAIL PROTECTED]:
Adolfo R. Brandes wrote: Lee Howard wrote: However, based on the comments you give I'd suspect that you're having what people seem to be calling frame slipping.There seem to be
some motherboards that react poorly with Zap cards (or their respective
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