[Asterisk-Users] Intel 536ep as a FXO?
Scott Stingel
scott at evtmedia.com
Mon Apr 19 10:19:26 MST 2004
Also, while you have that phone guy cornered, you might try and get the ANI
number - the one that reads back the number you're calling from. Quite
useful if you're in the phone connection closet trying to locate your
"pair". Mine is 959-1122 (650 area code)
Cheers!
Scott
Scott M. Stingel
President,
Emerging Voice Technology, Inc.
Palo Alto California & London England
www.evtmedia.com
-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Rich Adamson
Sent: Monday, April 19, 2004 10:49 AM
To: asterisk-users at lists.digium.com
Subject: RE: [Asterisk-Users] Intel 536ep as a FXO?
For the record, the milliwatt generator, ANI number, etc, is up to each
telco engineering/operations group as to what number to assign to it.
There are no industry standards at all. Since the xx98 and xx99 numbers use
to be reserved for testing years ago, those numbers are still in frequent
use. Also, some telco's use numbers like 311 for things like this, however
the 411, 511, 611, 911 range has been filling up rather rapidly with other
public things, so probably not to likely anymore.
Easiest way to find them is to call Repair and ask. If that person can't
tell you, ask for their supervisor. If that doesn't work, the next time you
see a telephone truck, ask the driver; he's likely to be an employee that
uses it more frequently then most others.
Rich
------------------------
> On Mon, 19 Apr 2004, Jeremy Hall wrote:
> > This may not be the case in all areas, but in my area with Qwest as
> > well, all exchanges have the test at xxx-9996. For example, my
> > number is in the 208 area code, 459 exchange, so the full number
> > would be 208-459-9996. It is not tied to any specific number, so I
> > can use any exchange local to me such as 323-9996. It may or may
> > not work in your area, so try not to do it at 3:00 AM until you have
verified the number.
>
> I'm also in a Qwest area, but that number doesn't work here. All of
> the techs that I have asked gave it to me with no problems. They are
> shy about the automatic ANI number, however...
>
> dave
>
> > -----Original Message-----
> > From: Ed Rubright [mailto:ed at rubright.net]
> > Sent: Monday, April 19, 2004 9:51 AM
> > To: asterisk-users at lists.digium.com
> > Subject: RE: [Asterisk-Users] Intel 536ep as a FXO?
> >
> > The next question for me is: How do I found out my telco milliwatt
> > test number? I'm in Washington State using Qwest.
> >
> > The way I understand this, I'm to dialup the telco milliwatt test
> > number and adjust the rxgain values using ztmonitor tool until the
> > "Max Audio Hit"
> > is
> > in the middle of the bar graph for a normal conversation?
> >
> > Thanks,
> > Ed
> >
> > -----Original Message-----
> > From: asterisk-users-admin at lists.digium.com
> > [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Rich
> > Adamson
> > Sent: Monday, April 19, 2004 9:01 AM
> > To: asterisk-users at lists.digium.com
> > Subject: RE: [Asterisk-Users] Intel 536ep as a FXO?
> >
> > > I for one would love this. I do not have any test equipment to
> > > determine the level I am sending at, but if I could at least
> > > figure out what levels to have my rxgain values set to, that would
help.
> > >
> > > I remember seeing somewhere that you can use a program (part of
> > > the zt
> >
> > > suite if I remember correctly) to view the audio levels on the FXO
> > > card like an on-screen vu meter. I can use that and dial up my
> > > telco milliwatt test number and adjust accordingly. I asked where
> > > that tool
> >
> > > was on the IRC channel, but they seemed to not know either. I
> > > have searched as I know I saw it, but can't find it again.
> >
> > The tool you're looking for is /usr/src/zaptel/ztmonitor
> >
> > [root at phoenix zaptel]# ./ztmonitor
> > Usage: ztmonitor <channel num> [-v] [-f FILE]
> >
> > [root at phoenix zaptel]# ./ztmonitor 1 -v
> >
> > Visual Audio Levels.
> > --------------------
> > Use zapata.conf file to adjust the gains if needed.
> >
> > ( # = Audio Level * = Max Audio Hit )
> > <----------------(RX)---------------->
> > <----------------(TX)---------------->
> > ##################*
> >
> > Keep in mind that tool is nothing more then an audio VU meter and
> > was not intended to be an accurate means of measuring transmission
> > levels.
> > I think bkw (probably with Mark) wrote it back in the
> > November/December timeframe as a simple tool for adjusting rxgain,
> > etc. About that same time, the echo cancelling mechanism (for the
> > x100p) was rewritten to "sense"
> > the
> > audio reflection (or echo) during the first half-second or so of an
> > initial pstn call. (That was a substantial improvement over previous
> > cancellation methods without a doubt. If I recall recorrectly, that
> > mechanism was reduced to sending an outbound short duration pulse or
> > burst, and measuring the reflected energy. Sort of a snapshot at the
> > start of an analog call.
> > It's
> > okay, but certainly not the equivalent of commercial analog
> > cancellation products including mux's.)
> >
> > I've not had to revisit the x100p gain adjustment effort for several
> > months, but seems to me that it was necessary to completely stop and
> > start * each time an adjustment was made to the rxgain/txgain
> > settings in zapata.conf (a simple reload wasn't adequate).
> >
> > Rich
> >
> >
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>
> --
> Dave Weis "I believe there are more instances of the
abridgment
> djweis at sjdjweis.com of the freedom of the people by gradual and silent
> encroachments of those in power than by violent
> and sudden usurpations."- James Madison
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---------------End of Original Message-----------------
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