[asterisk-users] Fax Throughput

[Matthew Fredrickson]

You fixed your clocking then.  That was what I was thinking of.  Make  
sure that your Dialogic card is also pulling timing from the Digium  
card as well.  What version of zaptel drivers are you running?

---
Matthew Fredrickson
Software Engineer
Digium, Inc.

On Jun 26, 2007, at 2:54 PM, Don Kelly wrote:

> Matt, thanks for pointing me to zaptel.conf; I'm new to Asterisk  
> and can use
> all the help I get!
>
> Here are the non-comment lines from zaptel.conf (not set up by me):
>
> span=1,1,0,esf,b8zs
> span=2,1,0,esf,b8zs
> bchan=1-23
> dchan=24
> bchan=25-47
> dchan=48
> loadzone = us
> defaultzone=us
>
> The first span is connected to the PSTN. The second is connected to a
> Windows-based server using Dialogic hardware and custom software.
>
> The second span has a clock priority equal to the first one. I'm  
> guessing
> that this has the effect of ignoring clock from the first span  
> (same as '0')
> and using clock from the second. Not good.
>
> I've changed the clock priority for span 2 to '0'; if we lose the  
> PSTN we'll
> rely on the Digium card for clock.
>
> Fax throughput seems fine with this change.
>
> In zapata.conf I find:
>
> ; Network Side
> signalling => pri_cpe
> group => 1
> context => pstn-inbound
> channel => 1-23
>
>
> ; IVR Side
> signalling=> pri_net
> group => 2
> context => ivr-inbound
> channel => 25-47
>
> The default would be switchtype=national, which is correct.
>
> I see that for 'signalling', 'group' and 'context' "=>" has been used,
> rather than the "=" that I see in documentation. Does this matter?
>
>   --Don
>
> Don Kelly
> PCF Corp
> Real Support for your Virtual Office
> 651 842-1000
> 888 Don Kell(y)
> 651 842-1001 fax
>
>
>
> -----Original Message-----
> From: Matthew Fredrickson [mailto:creslin at digium.com]
> Sent: Tuesday, June 26, 2007 9:22 AM
> To: dk at donkelly.biz; Asterisk Users Mailing List - Non-Commercial  
> Discussion
> Subject: Re: [asterisk-users] Fax Throughput
>
> Can you post your zaptel.conf so we can verify your timing settings?
>
> ---
> Matthew Fredrickson
> Software Engineer
> Digium, Inc.
>
> On Jun 25, 2007, at 11:10 PM, Don Kelly wrote:
>
>> I've tried timing faxes two ways:
>>
>> From a fax machine on a station port of an AltiGen PC/PBX served by
>> an MCI
>> PRI calling back into the same PRI and reaching a RightFax server  
>> on a
>> station port behind the AltiGen.
>>
>> From the same fax machine on the same station port of the AltiGen
>> PC/PBX
>> served by the same MCI PRI calling a number on an XO PRI connected
>> to an
>> Asterisk system (Digium TE410P), dialing out on another channel on
>> the same
>> PRI back into the MCI PRI and reaching the RightFax server on the
>> station
>> port behind the AltiGen.
>>
>> extensions.conf includes:
>> exten => 6122353002,1,dial(zap/g1/6122590773)
>>
>> Sending a one-page fax with moderate density (no graphics) takes
>> almost five
>> minutes longer going through the Asterisk server.
>>
>> Any suggestions?