AllStar Asterisk on a Raspberry Pi

App_rpt-users
1

For the past few weeks we have been playing around with building a cheap simplex node. The idea was a simple RF node for around the house.

We started with the NiceRF SA828-U. This was a pretty simple single RF chip based complete UHF radio. At $22 plus shipping, worth a shot.
The Sa818 was also considered, but the SA828 was a more complete.
<https://www.tindie.com/products/NiceRF/all-in-one-walkie-talkie-module-kit-sa828-v-400-480mhz/>

One problem with the single chip radios is that you have no access to discriminator receive audio and to the modulator input, but it's cheap.

The nice RF modules do work, but was there a better way? The SA-828 was shipped from China and took forever to get to us in the States. We started looking around for a alternative. Enter the Baofeng BF-888. Available on Amazon, shipped from the US and $15 + tax shipped to Prime account.

A number of people have used the 888 for IRLP, EchoLink and AllStar nodes. One thing we wanted to do differently was to take receive audio freon the receiver before the audio anp. A web search will turn up everything you need to know to use this type of radio in a node.

Next was the USB interface. The DMK URI or the Repeater Builder USB RIM are both fine pieces of equipment and we highly recommend them. There are lots of CM108 sound FOB mods on the net. We used the WB2EDV carrier board. With all new parts a a sound FOB, total cost about $23
<http://www.repeater-builder.com/projects/fob/syba71-fob.html>

Last but not least, the node computer. Doug has created a nice BeagleBone Black node computer. <http://hamviop.org> We really like the BBB board but we wanted to try something else. Since we had quite a few Raspberry Pi between us, why not try it. We know others have said it does not work (well) but was still worth a try.

We did not want to create a downloadable image ready to go with scripts to hold your hand. AllStar exported from the SVN, dahdi from asterisk.org and roll your own.
The scripts we built will help you install the required libs to compile
Asterisk and some simple patches to fix some issues with Wheezy and
Raspbian. SSL (res_crypto) and GSM. We also fixed the script that downloads the source for iLBC just to be complete.

The test machine for the project was the first rev Pi 256 MB. Keeping the loaded modules to a minimum, leaves about 64MB of free memory. Audio reports are good Surprising since we are do not have access to Discriminator and Modulator. The one complaint we got was the squelch crash at the end of a user transmission. This is a work in process and I would not put it out at a remote site. For a local simplex node, it seems to work. One of the nodes is running full time on the bench at node 2153.

I'll post a link to the tar of the scripts and patches. It's worth playing with if you have the time to wait for a compile and want to get your hands dirty with AllStar built from scratch.

Oh, and for the heck of it, we call it the PiStar :wink:

73, Steve N4IRS and Mike N4IRR.

···

--
"Anything is possible if you don't know what you are talking about."
1st Law of Logic

2

Steve,
You might want to check out my SA818 link on the hamvoip.org site. I have two running as a repeater. They are alright modules but do have some idiosyncrasies. They have poor harmonic filtering that does NOT meet FCC amateur specs so technically you need to put a filter on the output which I did in my design. I think for a cheap node the Baofeng 666 or 888 might be a better choice as it (I think) meets FCC specs out of the box. There are also links in the sa818 page to other sa818 designs and Baofeng mods.
Good luck on the Pi. I gave up on it long ago and put all my effort into the BBB. Money wise it is really not a big difference. You can get C model BBB’s for $40 at Microcenter now with good quantities so there was no real appeal to trying to get the Pi running once the BBB worked so well besides it is hard enough to support one platform. The problem is more in the OS and USB support than the platform although the BBB does have an edge in processing power. Using a bleeding edge OS is trying at times but it sure has advantages as things are maturing quickly.
73 Doug
WA3DSP
WA3DSP Amateur Radio Resources

···

Date: Sat, 3 Jan 2015 16:39:38 -0500
From: szingman@msgstor.com
To: app_rpt-users@ohnosec.org
Subject: [App_rpt-users] AllStar Asterisk on a Raspberry Pi

For the past few weeks we have been playing around with building a cheap
simplex node. The idea was a simple RF node for around the house.

We started with the NiceRF SA828-U. This was a pretty simple single RF
chip based complete UHF radio. At $22 plus shipping, worth a shot.
The Sa818 was also considered, but the SA828 was a more complete.
https://www.tindie.com/products/NiceRF/all-in-one-walkie-talkie-module-kit-sa828-v-400-480mhz/

One problem with the single chip radios is that you have no access to
discriminator receive audio and to the modulator input, but it’s cheap.

The nice RF modules do work, but was there a better way? The SA-828 was
shipped from China and took forever to get to us in the States. We
started looking around for a alternative. Enter the Baofeng BF-888.
Available on Amazon, shipped from the US and $15 + tax shipped to Prime
account.

A number of people have used the 888 for IRLP, EchoLink and AllStar
nodes. One thing we wanted to do differently was to take receive audio
freon the receiver before the audio anp. A web search will turn up
everything you need to know to use this type of radio in a node.

Next was the USB interface. The DMK URI or the Repeater Builder USB RIM
are both fine pieces of equipment and we highly recommend them. There
are lots of CM108 sound FOB mods on the net. We used the WB2EDV carrier
board. With all new parts a a sound FOB, total cost about $23
http://www.repeater-builder.com/projects/fob/syba71-fob.html

Last but not least, the node computer. Doug has created a nice
BeagleBone Black node computer. http://hamviop.org We really like the
BBB board but we wanted to try something else. Since we had quite a few
Raspberry Pi between us, why not try it. We know others have said it
does not work (well) but was still worth a try.

We did not want to create a downloadable image ready to go with scripts
to hold your hand. AllStar exported from the SVN, dahdi from
asterisk.org and roll your own.
The scripts we built will help you install the required libs to compile
Asterisk and some simple patches to fix some issues with Wheezy and
Raspbian. SSL (res_crypto) and GSM. We also fixed the script that
downloads the source for iLBC just to be complete.

The test machine for the project was the first rev Pi 256 MB. Keeping
the loaded modules to a minimum, leaves about 64MB of free memory. Audio
reports are good Surprising since we are do not have access to
Discriminator and Modulator. The one complaint we got was the squelch
crash at the end of a user transmission. This is a work in process and I
would not put it out at a remote site. For a local simplex node, it
seems to work. One of the nodes is running full time on the bench at
node 2153.

I’ll post a link to the tar of the scripts and patches. It’s worth
playing with if you have the time to wait for a compile and want to get
your hands dirty with AllStar built from scratch.

Oh, and for the heck of it, we call it the PiStar :wink:

73, Steve N4IRS and Mike N4IRR.

–
“Anything is possible if you don’t know what you are talking about.”
1st Law of Logic

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3

Doug,
I have looked at your 818 repeater project. We bought a couple of the 828 boards. They do work, not well but they work. We then decided to move to the Baofeng since they are cheaper cleaner and shipped from the US.

I know you gave up on the Pi. I like the BBB as well, but having a little bit of every of hardware known to man between us It did not take much to get Asterisk running. I'm not trying to support any piece of hardware, I just enjoy the projects.

73, Steve N4IRS

···

On 01/03/2015 07:19 PM, Doug Crompton wrote:

Steve,

  You might want to check out my SA818 link on the hamvoip.org site. I
have two running as a repeater. They are alright modules but do have
some idiosyncrasies. They have poor harmonic filtering that does NOT
meet FCC amateur specs so technically you need to put a filter on the
output which I did in my design. I think for a cheap node the Baofeng
666 or 888 might be a better choice as it (I think) meets FCC specs out
of the box. There are also links in the sa818 page to other sa818
designs and Baofeng mods.

Good luck on the Pi. I gave up on it long ago and put all my effort into
the BBB. Money wise it is really not a big difference. You can get C
model BBB's for $40 at Microcenter now with good quantities so there was
no real appeal to trying to get the Pi running once the BBB worked so
well besides it is hard enough to support one platform. The problem is
more in the OS and USB support than the platform although the BBB does
have an edge in processing power. Using a bleeding edge OS is trying at
times but it sure has advantages as things are maturing quickly.

*73 Doug
WA3DSP
WA3DSP Amateur Radio Resources*

> Date: Sat, 3 Jan 2015 16:39:38 -0500
> From: szingman@msgstor.com
> To: app_rpt-users@ohnosec.org
> Subject: [App_rpt-users] AllStar Asterisk on a Raspberry Pi
>
> For the past few weeks we have been playing around with building a cheap
> simplex node. The idea was a simple RF node for around the house.
>
> We started with the NiceRF SA828-U. This was a pretty simple single RF
> chip based complete UHF radio. At $22 plus shipping, worth a shot.
> The Sa818 was also considered, but the SA828 was a more complete.
>
<https://www.tindie.com/products/NiceRF/all-in-one-walkie-talkie-module-kit-sa828-v-400-480mhz/&gt;
>
> One problem with the single chip radios is that you have no access to
> discriminator receive audio and to the modulator input, but it's cheap.
>
> The nice RF modules do work, but was there a better way? The SA-828 was
> shipped from China and took forever to get to us in the States. We
> started looking around for a alternative. Enter the Baofeng BF-888.
> Available on Amazon, shipped from the US and $15 + tax shipped to Prime
> account.
>
> A number of people have used the 888 for IRLP, EchoLink and AllStar
> nodes. One thing we wanted to do differently was to take receive audio
> freon the receiver before the audio anp. A web search will turn up
> everything you need to know to use this type of radio in a node.
>
> Next was the USB interface. The DMK URI or the Repeater Builder USB RIM
> are both fine pieces of equipment and we highly recommend them. There
> are lots of CM108 sound FOB mods on the net. We used the WB2EDV carrier
> board. With all new parts a a sound FOB, total cost about $23
> <http://www.repeater-builder.com/projects/fob/syba71-fob.html&gt;
>
> Last but not least, the node computer. Doug has created a nice
> BeagleBone Black node computer. <http://hamviop.org> We really like the
> BBB board but we wanted to try something else. Since we had quite a few
> Raspberry Pi between us, why not try it. We know others have said it
> does not work (well) but was still worth a try.
>
> We did not want to create a downloadable image ready to go with scripts
> to hold your hand. AllStar exported from the SVN, dahdi from
> asterisk.org and roll your own.
> The scripts we built will help you install the required libs to compile
> Asterisk and some simple patches to fix some issues with Wheezy and
> Raspbian. SSL (res_crypto) and GSM. We also fixed the script that
> downloads the source for iLBC just to be complete.
>
> The test machine for the project was the first rev Pi 256 MB. Keeping
> the loaded modules to a minimum, leaves about 64MB of free memory. Audio
> reports are good Surprising since we are do not have access to
> Discriminator and Modulator. The one complaint we got was the squelch
> crash at the end of a user transmission. This is a work in process and I
> would not put it out at a remote site. For a local simplex node, it
> seems to work. One of the nodes is running full time on the bench at
> node 2153.
>
> I'll post a link to the tar of the scripts and patches. It's worth
> playing with if you have the time to wait for a compile and want to get
> your hands dirty with AllStar built from scratch.
>
> Oh, and for the heck of it, we call it the PiStar :wink:
>
> 73, Steve N4IRS and Mike N4IRR.
>
> --
> "Anything is possible if you don't know what you are talking about."
> 1st Law of Logic
> _______________________________________________
> App_rpt-users mailing list
> App_rpt-users@ohnosec.org
> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>
> To unsubscribe from this list please visit
http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll
down to the bottom of the page. Enter your email address and press the
"Unsubscribe or edit options button"
> You do not need a password to unsubscribe, you can do it via email
confirmation. If you have trouble unsubscribing, please send a message
to the list detailing the problem.
>

4

On the pi:

apt-get -y asterisk

Works just dandy - with a Grandstream FXO/FXS gateway anyway - no clue as to the rpt bits.

And I too have BBB’s, Pi’s, small PC’s (node 40920 is an ‘old’ Everex GPC PC (about the same size ± as a Mac Mini) works fine.

Have not yet wired the URIx to a Baofeng which is what I will eventually do.

···

Steven Donegan
KK6IVC FCC Technician Class License
SSCC/NORC Life Member, Car #86

From: Steve Zingman szingman@msgstor.com
To: app_rpt-users@ohnosec.org
Sent: Saturday, January 3, 2015 4:37 PM
Subject: Re: [App_rpt-users] Asterisk on a Raspberry Pi

Doug,
I have looked at your 818 repeater project. We bought a couple of the
828 boards. They do work, not well but they work. We then decided to
move to the Baofeng since they are cheaper cleaner and shipped from the US.

I know you gave up on the Pi. I like the BBB as well, but having a
little bit of every of hardware known to man between us It did not take
much to get Asterisk running. I’m not trying to support any piece of
hardware, I just enjoy the projects.

73, Steve N4IRS

On 01/03/2015 07:19 PM, Doug Crompton wrote:

Steve,

You might want to check out my SA818 link on the hamvoip.org site. I
have two running as a repeater. They are alright modules but do have
some idiosyncrasies. They have poor harmonic filtering that does NOT
meet FCC amateur specs so technically you need to put a filter on the
output which I did in my design. I think for a cheap node the Baofeng
666 or 888 might be a better choice as it (I think) meets FCC specs out
of the box. There are also links in the sa818 page to other sa818
designs and Baofeng mods.

Good luck on the Pi. I gave up on it long ago and put all my effort into
the BBB. Money wise it is really not a big difference. You can get C
model BBB’s for $40 at Microcenter now with good quantities so there was
no real appeal to trying to get the Pi running once the BBB worked so
well besides it is hard enough to support one platform. The problem is
more in the OS and USB support than the platform although the BBB does
have an edge in processing power. Using a bleeding edge OS is trying at
times but it sure has advantages as things are maturing quickly.

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

Date: Sat, 3 Jan 2015 16:39:38 -0500
From: szingman@msgstor.com
To: app_rpt-users@ohnosec.org
Subject: [App_rpt-users] AllStar Asterisk on a Raspberry Pi

For the past few weeks we have been playing around with building a cheap
simplex node. The idea was a simple RF node for around the house.

We started with the NiceRF SA828-U. This was a pretty simple single RF
chip based complete UHF radio. At $22 plus shipping, worth a shot.
The Sa818 was also considered, but the SA828 was a more complete.

<https://www.tindie.com/products/NiceRF/all-in-one-walkie-talkie-module-kit-sa828-v-400-480mhz/>

One problem with the single chip radios is that you have no access to
discriminator receive audio and to the modulator input, but it’s cheap.

The nice RF modules do work, but was there a better way? The SA-828 was
shipped from China and took forever to get to us in the States. We
started looking around for a alternative. Enter the Baofeng BF-888.
Available on Amazon, shipped from the US and $15 + tax shipped to Prime
account.

A number of people have used the 888 for IRLP, EchoLink and AllStar
nodes. One thing we wanted to do differently was to take receive audio
freon the receiver before the audio anp. A web search will turn up
everything you need to know to use this type of radio in a node.

Next was the USB interface. The DMK URI or the Repeater Builder USB RIM
are both fine pieces of equipment and we highly recommend them. There
are lots of CM108 sound FOB mods on the net. We used the WB2EDV carrier
board. With all new parts a a sound FOB, total cost about $23
<http://www.repeater-builder.com/projects/fob/syba71-fob.html>

Last but not least, the node computer. Doug has created a nice
BeagleBone Black node computer. <http://hamviop.org> We really like the
BBB board but we wanted to try something else. Since we had quite a few
Raspberry Pi between us, why not try it. We know others have said it
does not work (well) but was still worth a try.

We did not want to create a downloadable image ready to go with scripts
to hold your hand. AllStar exported from the SVN, dahdi from
asterisk.org and roll your own.
The scripts we built will help you install the required libs to compile
Asterisk and some simple patches to fix some issues with Wheezy and
Raspbian. SSL (res_crypto) and GSM. We also fixed the script that
downloads the source for iLBC just to be complete.

The test machine for the project was the first rev Pi 256 MB. Keeping
the loaded modules to a minimum, leaves about 64MB of free memory. Audio
reports are good Surprising since we are do not have access to
Discriminator and Modulator. The one complaint we got was the squelch
crash at the end of a user transmission. This is a work in process and I
would not put it out at a remote site. For a local simplex node, it
seems to work. One of the nodes is running full time on the bench at
node 2153.

I’ll post a link to the tar of the scripts and patches. It’s worth
playing with if you have the time to wait for a compile and want to get
your hands dirty with AllStar built from scratch.

Oh, and for the heck of it, we call it the PiStar :wink:

73, Steve N4IRS and Mike N4IRR.

–
“Anything is possible if you don’t know what you are talking about.”
1st Law of Logic

App_rpt-users mailing list
App_rpt-users@ohnosec.org
http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users

To unsubscribe from this list please visit
http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll
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“Unsubscribe or edit options button”
You do not need a password to unsubscribe, you can do it via email
confirmation. If you have trouble unsubscribing, please send a message
to the list detailing the problem.

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App_rpt-users@ohnosec.org
http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users

To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the “Unsubscribe or edit options button”
You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.

5

Steven,
Yes, the version in the pi repository is version 1.8.x of Asterisk.
From what I can see on the web, lots of people are very happy with it as a PBX.

AllStar asterisk is based on 1.4.23 so you will need to compile that version from the SVN to use app_rpt.

73, Steve N4IRS

···

On 01/03/2015 08:47 PM, Steven Donegan wrote:

On the pi:

apt-get -y asterisk

Works just dandy - with a Grandstream FXO/FXS gateway anyway - no clue
as to the rpt bits.

And I too have BBB's, Pi's, small PC's (node 40920 is an 'old' Everex
GPC PC (about the same size +- as a Mac Mini) works fine.

Have not yet wired the URIx to a Baofeng which is what I will eventually do.
____________
Steven Donegan
KK6IVC FCC Technician Class License
SSCC/NORC Life Member, Car #86
www.sscc.us

------------------------------------------------------------------------
*From:* Steve Zingman <szingman@msgstor.com>
*To:* app_rpt-users@ohnosec.org
*Sent:* Saturday, January 3, 2015 4:37 PM
*Subject:* Re: [App_rpt-users] Asterisk on a Raspberry Pi

Doug,
I have looked at your 818 repeater project. We bought a couple of the
828 boards. They do work, not well but they work. We then decided to
move to the Baofeng since they are cheaper cleaner and shipped from the US.

I know you gave up on the Pi. I like the BBB as well, but having a
little bit of every of hardware known to man between us It did not take
much to get Asterisk running. I'm not trying to support any piece of
hardware, I just enjoy the projects.

73, Steve N4IRS

On 01/03/2015 07:19 PM, Doug Crompton wrote:
> Steve,
>
> You might want to check out my SA818 link on the hamvoip.org site. I
> have two running as a repeater. They are alright modules but do have
> some idiosyncrasies. They have poor harmonic filtering that does NOT
> meet FCC amateur specs so technically you need to put a filter on the
> output which I did in my design. I think for a cheap node the Baofeng
> 666 or 888 might be a better choice as it (I think) meets FCC specs out
> of the box. There are also links in the sa818 page to other sa818
> designs and Baofeng mods.
>
> Good luck on the Pi. I gave up on it long ago and put all my effort into
> the BBB. Money wise it is really not a big difference. You can get C
> model BBB's for $40 at Microcenter now with good quantities so there was
> no real appeal to trying to get the Pi running once the BBB worked so
> well besides it is hard enough to support one platform. The problem is
> more in the OS and USB support than the platform although the BBB does
> have an edge in processing power. Using a bleeding edge OS is trying at
> times but it sure has advantages as things are maturing quickly.
>
> *73 Doug
> WA3DSP
> WA3DSP Amateur Radio Resources*
>
> > Date: Sat, 3 Jan 2015 16:39:38 -0500
> > From: szingman@msgstor.com <mailto:szingman@msgstor.com>
> > To: app_rpt-users@ohnosec.org <mailto:app_rpt-users@ohnosec.org>
> > Subject: [App_rpt-users] AllStar Asterisk on a Raspberry Pi
> >
> > For the past few weeks we have been playing around with building a
cheap
> > simplex node. The idea was a simple RF node for around the house.
> >
> > We started with the NiceRF SA828-U. This was a pretty simple single RF
> > chip based complete UHF radio. At $22 plus shipping, worth a shot.
> > The Sa818 was also considered, but the SA828 was a more complete.
> >
>
<https://www.tindie.com/products/NiceRF/all-in-one-walkie-talkie-module-kit-sa828-v-400-480mhz/&gt;
> >
> > One problem with the single chip radios is that you have no access to
> > discriminator receive audio and to the modulator input, but it's
cheap.
> >
> > The nice RF modules do work, but was there a better way? The
SA-828 was
> > shipped from China and took forever to get to us in the States. We
> > started looking around for a alternative. Enter the Baofeng BF-888.
> > Available on Amazon, shipped from the US and $15 + tax shipped to
Prime
> > account.
> >
> > A number of people have used the 888 for IRLP, EchoLink and AllStar
> > nodes. One thing we wanted to do differently was to take receive audio
> > freon the receiver before the audio anp. A web search will turn up
> > everything you need to know to use this type of radio in a node.
> >
> > Next was the USB interface. The DMK URI or the Repeater Builder
USB RIM
> > are both fine pieces of equipment and we highly recommend them. There
> > are lots of CM108 sound FOB mods on the net. We used the WB2EDV
carrier
> > board. With all new parts a a sound FOB, total cost about $23
> > <http://www.repeater-builder.com/projects/fob/syba71-fob.html&gt;
> >
> > Last but not least, the node computer. Doug has created a nice
> > BeagleBone Black node computer. <http://hamviop.org
<http://hamviop.org/&gt;&gt; We really like the
> > BBB board but we wanted to try something else. Since we had quite
a few
> > Raspberry Pi between us, why not try it. We know others have said it
> > does not work (well) but was still worth a try.
> >
> > We did not want to create a downloadable image ready to go with
scripts
> > to hold your hand. AllStar exported from the SVN, dahdi from
> > asterisk.org and roll your own.
> > The scripts we built will help you install the required libs to
compile
> > Asterisk and some simple patches to fix some issues with Wheezy and
> > Raspbian. SSL (res_crypto) and GSM. We also fixed the script that
> > downloads the source for iLBC just to be complete.
> >
> > The test machine for the project was the first rev Pi 256 MB. Keeping
> > the loaded modules to a minimum, leaves about 64MB of free memory.
Audio
> > reports are good Surprising since we are do not have access to
> > Discriminator and Modulator. The one complaint we got was the squelch
> > crash at the end of a user transmission. This is a work in process
and I
> > would not put it out at a remote site. For a local simplex node, it
> > seems to work. One of the nodes is running full time on the bench at
> > node 2153.
> >
> > I'll post a link to the tar of the scripts and patches. It's worth
> > playing with if you have the time to wait for a compile and want
to get
> > your hands dirty with AllStar built from scratch.
> >
> > Oh, and for the heck of it, we call it the PiStar :wink:
> >
> > 73, Steve N4IRS and Mike N4IRR.
> >
> > --
> > "Anything is possible if you don't know what you are talking about."
> > 1st Law of Logic
> > _______________________________________________
> > App_rpt-users mailing list
> > App_rpt-users@ohnosec.org <mailto:App_rpt-users@ohnosec.org>
> > http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
> >
> > To unsubscribe from this list please visit
> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
<http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users&gt;and scroll
> down to the bottom of the page. Enter your email address and press the
> "Unsubscribe or edit options button"
> > You do not need a password to unsubscribe, you can do it via email
> confirmation. If you have trouble unsubscribing, please send a message
> to the list detailing the problem.
> >
_______________________________________________
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