[arm-allstar] DTMF to link nodes?

Russell Thomas russell at kv4s.com
Fri Oct 26 11:30:06 EDT 2018 

Ok, good news the node is receiving the dtmf fine.

I think I just don't know the syntax to make a dtmf link/unlink. i tried
the following with and without the *

me attempting to link to IRLP 9667
[Oct 26 10:22:48] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char *
[Oct 26 10:22:50] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 7
[Oct 26 10:22:50] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 1
[Oct 26 10:22:53] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 8
[Oct 26 10:22:54] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 9
[Oct 26 10:22:54] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 6
[Oct 26 10:22:55] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 6
[Oct 26 10:22:55] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 7

me trying to link to Allstar 2152
[Oct 26 10:28:56] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char *
[Oct 26 10:28:56] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 7
[Oct 26 10:28:57] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 1
[Oct 26 10:28:58] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 2
[Oct 26 10:28:59] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 1
[Oct 26 10:29:00] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 5
[Oct 26 10:29:00] NOTICE[730]: chan_simpleusb.c:2689 simpleusb_read: Got
DTMF char 2

On Thu, Oct 25, 2018 at 7:35 AM Russell Thomas <russell at kv4s.com> wrote:

> Thanks for the input now I know better where to look, I'll play around
> with it and get back to you!
>
> On Thu, Oct 25, 2018 at 12:18 AM "Doug Crompton via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
>> A couple of notes on this -
>>
>> A service monitor is not needed to align levels for a simplex node. This
>> is
>> important as most do not have one nor have access to one.
>>
>> The bar graph in  simpleusb-tune-menu item 2 is a good way to set levels.
>> This is your first step. The level should go up to 5khz on peaks as you
>> talk normally on your radio. The word normally is important. This means
>> how
>> you would speak when you are not thinking about it. This includes how far
>> your mouth is from the mic.
>>
>> Another way to check levels that works great is the windows iax-rpt
>> application. Connect it to your node and observe the bar graph while
>> talking. It should go to about 95% of full scale but not higher and never
>> off-scale. This ensures you are at the full amplitude of the digital
>> signal. We talk in terms of KHz of deviation but in the digital world you
>> want to fully modulate the digital signal that is sent out over the
>> Internet without going into clipping.
>>
>> This is the only level that would effect DTMF decode BUT the voice level
>> and the DTMF level on many rigs may differ. Some DTMF mics actually have
>> DTMF level controls inside or menu settings for levels.
>>
>> Also it is hard to see DTMF levels because they are normally muted unless
>> they do not decode so to see them you would temporarily need to see the
>> dtmf_dsp  command in simpleusb.conf.  By default it is set to 1 and this
>> is
>> the case if this command is NOT in the simpleusb.conf file. Placing the
>> command in the file and setting to =2 would turn off muting and the DTMF
>> level would show up. Do NOT forget to remove the command or set it back to
>> =1 when you are done!
>>
>> dtmf_dsp=0    ; NO allstar command decoding, DTMF pass thru
>> dtmf_dsp=1    ; Normal Allstar DTMF decoding and muting - this is the
>> default
>> dtmf_dsp=2    ; BOTH normal Allstar DTMF decoding AND DTMF pass thru. No
>> muting
>>
>> When using the Asterisk client you do not need to set the verbose level
>> and
>> setting to verbose 9 would give you way too much information. Just run the
>> Asterisk client from the main menu and key and press each DTMF button. The
>> results will be shown on the screen Observe what doesn't work.
>>
>> The setting of  deemphasis in simpleusb-tune-menu will effect both voice
>> and DTMF. There is only one right way for this setting either enabled or
>> disabled. This depends on how audio comes from your radio. In most cases
>> this would be disabled but if you are getting audio from your radio that
>> is
>> not deemphasized in the radio you would want to enable this.
>>
>> You want to have the PL or DCS (preferred) filter turned on in
>> simple-usb-tune-menu.
>>
>> As pointed out if the radio is not on frequency it could cause a problem
>> both in DTMF and voice response, Check this if you can with a frequency
>> counter. The cheap Baofeng radios are often off frequency and there is an
>> internal pot to adjust this.
>>
>> Personally I have found few radios that don't work but some are just plain
>> bad and if you have an alternative radio then use it.
>>
>>
>> *73 Doug*
>>
>> *WA3DSP*
>>
>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>>
>>
>> On Thu, Oct 25, 2018 at 12:33 AM "Benjamin Naber via ARM-allstar" <
>> arm-allstar at hamvoip.org> wrote:
>>
>> > Russel, et al-
>> >
>> > There are a few things you can check. I am going to assume others may
>> > have at one time experienced this issue, as I have, so I am going to
>> > include the particular commands and thought process... if there is one.
>> >
>> > First thing I would do is go into the asterisk console:
>> > root at aslbox$ asterisk -r
>> >
>> > Then I would turn on asterisk console logging:
>> > KB9LFZ-1*CLI> core set verbose 9
>> >
>> >
>> > Then I would take the HT/mobile in question, of course on the node's
>> > receive frequency, key the PTT and begin to mash the DTMF buttons:
>> > You *should* get a response similar to:
>> >
>> > [Oct 24 22:35:28] NOTICE[1679]: chan_simpleusb.c:2910 simpleusb_read:
>> > Got DTMF char *
>> >
>> >
>> > Keep the PTT keyed, and slow-like, one at a time, mash all of the DTMF
>> > keys in some logical sequence while watching the output.
>> >
>> > You may notice that some of the DTMF keys do not respond on the
>> > asterisk console. There could be several reasons for this. Some of them
>> > include:
>> > - the node RX volume is not aligned
>> > - the radio in question is not aligned
>> >
>> >
>> > I would repeat the same test with other HTs and mobile radios you can
>> > get your hands on.
>> >
>> >
>> > The next step I would do is get a service monitor - find one, steal
>> > one, beg someone with one to blow the dust of theirs and make good use
>> > of it. Turn it on, wait for 30 minutes for its ref osc to settle, make
>> > sure it says it has less than 1 Hz frequency error 5, 10, or 15MHz. Use
>> > WWV while you can, it may go away!
>> >
>> > Using the simpleusb-tune-menu, accurately tune the RX to a close as you
>> > can get the level at 3KHz mark on the tune-menu, using the service
>> > monitor transmitting *only* a 1KHz tone at 3KHz deviation. It is best
>> > to do this at least a -75 dBm signal directly fed into the node radio
>> > antenna port.
>> >
>> > That step is absolutely critical for reliable receive operation.
>> >
>> >
>> > The next thing I would do with that service monitor is make sure your
>> > node radio is transmitting on the correct frequency, with no more than
>> > 100Hz drift. All modern radios most of us own, have a master reference
>> > oscillator the radio's transmitter and receiver use. If the transmitter
>> > is off frequency, then the receiver on that same radio is going to be
>> > off just by as much.
>> >
>> > If your node radio is off by more than 100Hz, take no other steps until
>> > that is corrected. If it is a Chinese radio, hope off the slippery
>> > slope of cheap junk and get one made by a company who has a reputation
>> > to uphold. And who has a repair department. If you own an Android or
>> > iPhone, getting reputable name-brand radio should not be an issue. New
>> > or previously-enjoyed is your choice.
>> >
>> > While you are at it, measure the transmit frequency error of all of
>> > your radios... after they have been powered on for an hour or so. This
>> > will allow the ref osc to settle to a reasonable level.
>> >
>> >
>> > If your node radio and radio you are using to talk to the ASL node
>> > radio are on frequency, and within 100Hz of each other, the next thing
>> > I would so is make sure your HT or mobile radio you are using is
>> > transmitting the correct DTMF.... use that service monitor with it's
>> > DTMF decode function to ensure your radio is encoding the DTMF buttons
>> > correctly.
>> >
>> >
>> > There are more levels to get deeper into, but those should get you
>> > headed down the right path.
>> >
>> > Connect to our Tech Net Tuesday nights at 8PM Eastern to talk more
>> > about it. Node 45221
>> >
>> >
>> > Benjamin, KB9LFZ
>> > ASL 28569
>> >
>> >
>> >
>> >
>> > On Wed, 2018-10-24 at 14:35 -0500,
>> > > Unless I've broke something, I've never been able to use my radio's
>> > > dial
>> > > pad to link and unlink nodes. (One reason being Supermon is amazing!!
>> > > Thnx
>> > > btw)
>> > >
>> > > I looked around on the site and unless I'm overlooking it I don't see
>> > > instructions. I saw something along the lines but it appeared to be
>> > > for
>> > > autopatching vs linking.
>> > >
>> > > Can anyone point me in the right direction?
>> > >
>> > > 73,
>> > > Russell Thomas, KV4S
>> > > _______________________________________________
>> > >
>> > > ARM-allstar mailing list
>> > > ARM-allstar at hamvoip.org
>> > > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>> > >
>> > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
>> > _______________________________________________
>> >
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>> > ARM-allstar at hamvoip.org
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>> >
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>> >
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>>
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>

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