[arm-allstar] scripting - last dtmf digit received in client display

Fri Jan 1 23:11:41 EST 2016

Neil,

 See my DTMF digit passing in autopatch howto. I think that is a more concise answer to this question you had.
73 Doug
WA3DSP
http://www.crompton.com/hamradio

From: k8it at cac.net
To: arm-allstar at hamvoip.org
Date: Tue, 8 Dec 2015 17:11:32 -0500
Subject: Re: [arm-allstar] scripting - last dtmf digit received in client	display

Doug
THANK YOU
You have just opened the door to many script possibilities. You should 
write the book
Scripting in Asterisk"
Thanks again and I will let you know my results in a week or so

Thanks
73 Neil Sablatzky  K8IT
Allstar Node 41838 
KITLINK
Allstar Node 42087 KITLINK HUB
IRLP Node exp0068
Echolink 
K8IT-L
WIRES-X K8IT 11479 Room 21479

From: Doug Crompton 
Sent: Tuesday, December 08, 2015 4:22 PM
To: ARM Allstar 
Subject: Re: [arm-allstar] scripting - last dtmf digit received in 
client display

Neil,

 A 
couple of more points on my last message. You should comment or delete the line 
that plays - "please enter the"  It is redundant the digits have already 
been passed. With that line removed if you enter  *61114300 it will 
playback  - Frequency 14300.

You could enter a line after the 
SayDigits line like this -

exten => 
_1xxxxx,n,Playback(megahertz)

Then it would say - Frequency 14300 
megahertz

hertz, kilohertz, and gigahertz are also available.

The 
reason to enter the second "1" - 611 - is that it points it to the first 
context. In that way you can have 10 sections 0-9  or  *610 thru 
*619  with parameters after that. Each section could do something else. If 
you wanted more you could add a third digit. Each context could have as many 
DTMF characters passed to it as desire or it could be none if none are 
needed.

Asterisk can make system calls so anything that would run under 
Linux can be executed and parameters can be passed. Here is an example of how I 
call x10 control from my phone -

exten => 
_1.,1,System(/usr/local/bin/x10 on ${EXTEN:1})

In this case I execute the 
x10 program in /usr/local/bin and pass it the parameters "on" and one digit of 
the extension.

So if you wanted to pass the frequency to hamlib (I don't 
know hamlib parameters so this is JUST and example)

exten => _1.,1,System(/directory-location/hamlib 
<freq-command> ${EXTEN})

The digits can be formatted either 
in the extensions file with asterisk commands or sent to an external script for 
formatting. 

Also note that any playback in asterisk would be global. 
That is if you are connected to other nodes they would hear "Frequency 
14300"  There are ways to get around this by using system calls either in 
the dial plan or in a script that directly calls asterisk and executes rpt 
commands. You can execute rpt commands from the dialplan but there is no 
SayDigit command in Allstar so you would have to use a script to say the 
individual digits. An example is in the script that says the IP address which 
calls speaktext.sh. If this is an issue then you could go to the extra trouble 
but if not it would greatly simplify things.
While the example I show uses the current default *61 to 
enter the patch you could leave that line intact if you are using it to actually 
do patch things and enter a new line with the same parameter except with the 
"context=" changed and a different function code defined. So as an example 
entering -

871=autopatchup,context=command_radio,noct=1,farenddisconnect=1,dialtime=20000,quiet=1  

and leaving the 
61 function alone would mean that you would enter

*8711xxxxx  to enter a five digit frequency. Of 
course the number of frequency digits could be any lenght defined by the x's 
indicating a digit.

73 Doug
WA3DSP
http://www.crompton.com/hamradio

From: doug at crompton.com
To: arm-allstar at hamvoip.org
Date: Tue, 8 Dec 2015 
13:46:44 -0500
Subject: Re: [arm-allstar] scripting - last dtmf digit 
received in client display

Neil,

 OK 
here is a way to do this at least here are the clues to do it. I have not done 
it completely for you but what I show here does work.

First in rpt.conf 
find the phone patch function - 61

change the context=  to 
context=command_radio

then in extensions.conf add the following context 
at the end -

[command_radio]
exten => 
_1xxxxx,1,Playback(please-enter-the)
exten => 
_1xxxxx,n,Playback(frequency)
exten => 
_1xxxxx,n,SayDigits(${EXTEN})
exten => _1xxxxx,n,Wait(2)
exten => 
_1xxxxx,n,Hangup()

You need to understand asterisk dial plans in order to 
understand this but basically the way this is setup if you enter at the 
radio  *611xxxxx  the last 5 digits will be passed as the EXTEN 
variable in Asterisk. At that point you could do whatever you wanted with it - 
like pass to a script that sent it to hamlib for execution. Of course the number 
of digits could be changed and other functions could be added.

When 
changing either file you need to either reload then in the client or restart 
Allstar.

The Asterisk diaplan is very 
powerful but you need to hone up on the commands and syntax!!!

This is 
the (more) right way to do this rather than adding stuff to 
Allstar.

73 
Doug
WA3DSP
http://www.crompton.com/hamradio

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