Is this possible? - Using a radio remotely with an IP phone on a private network
Hello, While it is not ham radio related, the university I attend and work for is considering putting a secondary aviation radio at the sattelite campus of ours where we do flight training. We have a radio at the main campus to talk to our aircraft but the aircraft at our sattelite campus are out of range of the main campus. I thought ROIP (AllStar) would be an effective way to use a radio at the sattelite campus from the main campus. The concept would be like a Remote Communications Outlet (RCO) that is currently used in aviation. I would like to have it so that the radio can be used from the main campus using an IP phone and all ran through the school's network. All this is through a private node of course and not through the all star *network.* Is this possible? Particularly the part with using the IP phone (I don't think it is a good idea to link the two radios). Any suggestions, guidance, and links to documentation on how to do this would be appreciated! 73's Noah KE5VQL
Yes all possible with Asterisk/Allstar
On Jul 18, 2018, at 11:57 PM, Noah Chalker <ke5vql@gmail.com> wrote:
Hello,
While it is not ham radio related, the university I attend and work for is considering putting a secondary aviation radio at the sattelite campus of ours where we do flight training. We have a radio at the main campus to talk to our aircraft but the aircraft at our sattelite campus are out of range of the main campus. I thought ROIP (AllStar) would be an effective way to use a radio at the sattelite campus from the main campus. The concept would be like a Remote Communications Outlet (RCO) that is currently used in aviation. I would like to have it so that the radio can be used from the main campus using an IP phone and all ran through the school's network. All this is through a private node of course and not through the all star network. Is this possible? Particularly the part with using the IP phone (I don't think it is a good idea to link the two radios). Any suggestions, guidance, and links to documentation on how to do this would be appreciated!
73's
Noah KE5VQL
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Yes. I use Zoiper, an app on my iPhone to talk to one of my AllstarLink nodes. It could be setup as a private node (a number less than 2000), which would not be registered with AllstarLink in the /etc/asterisk configuration files. Thanks, Bob K6ECM Sent from iPad
On Jul 18, 2018, at 8:57 PM, Noah Chalker <ke5vql@gmail.com> wrote:
Hello,
While it is not ham radio related, the university I attend and work for is considering putting a secondary aviation radio at the sattelite campus of ours where we do flight training. We have a radio at the main campus to talk to our aircraft but the aircraft at our sattelite campus are out of range of the main campus. I thought ROIP (AllStar) would be an effective way to use a radio at the sattelite campus from the main campus. The concept would be like a Remote Communications Outlet (RCO) that is currently used in aviation. I would like to have it so that the radio can be used from the main campus using an IP phone and all ran through the school's network. All this is through a private node of course and not through the all star network. Is this possible? Particularly the part with using the IP phone (I don't think it is a good idea to link the two radios). Any suggestions, guidance, and links to documentation on how to do this would be appreciated!
73's
Noah KE5VQL
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Noah, Yes you can use an IP phone. I have that exact setup on my own PBX at my house. I can pick up any IP phone with an extension on my PBX and dial into my node. What you propose works great and is a great use for the software. Jeff, KC8QCH On Jul 18, 2018, at 8:57 PM, Noah Chalker <ke5vql@gmail.com <mailto:ke5vql@gmail.com> > wrote: Hello, While it is not ham radio related, the university I attend and work for is considering putting a secondary aviation radio at the sattelite campus of ours where we do flight training. We have a radio at the main campus to talk to our aircraft but the aircraft at our sattelite campus are out of range of the main campus. I thought ROIP (AllStar) would be an effective way to use a radio at the sattelite campus from the main campus. The concept would be like a Remote Communications Outlet (RCO) that is currently used in aviation. I would like to have it so that the radio can be used from the main campus using an IP phone and all ran through the school's network. All this is through a private node of course and not through the all star network. Is this possible? Particularly the part with using the IP phone (I don't think it is a good idea to link the two radios). Any suggestions, guidance, and links to documentation on how to do this would be appreciated! 73's Noah KE5VQL _______________________________________________ App_rpt-users mailing list App_rpt-users@lists.allstarlink.org <mailto:App_rpt-users@lists.allstarlink.org> http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://lists.allstarlink.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.
As the others have said, this is entirely possible and should work very well for you. Couple of thoughts: When using a phone as the user interface, rather than traditional push to talk/release to listen functionality, a DTMF sequence needs to be used to both activate and deactivate the transmitter. Not overly complex once gotten used to, but depending on who will be using this it may be beneficial to have a more traditional microphone and speaker setup next to the existing radio. There are a few different sources for how to build such an interface, but basically you would build another node and rather than interface it to a radio just connect a microphone and speaker (and PTT if not built into the mic). This would allow the operator to grab one microphone or the other depending on the radio needing to be used without consideration of a different interface. This also could add the benefit of using a permanent connection between the two nodes to better handle any network issues where it would otherwise require manual (re)connection. Secondly, since you are dealing with AM modulation, depending on the specific radio being used at the remote location it may or may not have a Rx Active output. If it does, interfacing would be like any other, but in the event it only has PTT, audio in, and audio out you may end up using VOX for detecting receive activity. On Wed, Jul 18, 2018 at 10:57 PM, Noah Chalker <ke5vql@gmail.com> wrote:
Hello,
While it is not ham radio related, the university I attend and work for is considering putting a secondary aviation radio at the sattelite campus of ours where we do flight training. We have a radio at the main campus to talk to our aircraft but the aircraft at our sattelite campus are out of range of the main campus. I thought ROIP (AllStar) would be an effective way to use a radio at the sattelite campus from the main campus. The concept would be like a Remote Communications Outlet (RCO) that is currently used in aviation. I would like to have it so that the radio can be used from the main campus using an IP phone and all ran through the school's network. All this is through a private node of course and not through the all star *network.* Is this possible? Particularly the part with using the IP phone (I don't think it is a good idea to link the two radios). Any suggestions, guidance, and links to documentation on how to do this would be appreciated!
73's
Noah KE5VQL
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Noah, et al: There was a gent a couple years ago that used ASL tech for exactly that- VoIP linked airband radio to another that was in a remote location. From what I remember, it was just a simple radio to radio link. This gent was in more-or-less mountainous third world country, so any kind of commercial infrastructure was out of the question. I don't recall what model air band radio used; the radio had the basics needed: RX and TX audio, COR and PTT. He stated it took a little tweaking, but he did get it to work as desired. I'll leave tying in the VoIP phone to the rest. I still haven't gotten mine to work (lack of time), haha Benjamin, KB9LFZ On Wed, 2018-07-18 at 22:57 -0500, Noah Chalker wrote:
Hello, While it is not ham radio related, the university I attend and work for is considering putting a secondary aviation radio at the sattelite campus of ours where we do flight training. We have a radio at the main campus to talk to our aircraft but the aircraft at our sattelite campus are out of range of the main campus. I thought ROIP (AllStar) would be an effective way to use a radio at the sattelite campus from the main campus. The concept would be like a Remote Communications Outlet (RCO) that is currently used in aviation. I would like to have it so that the radio can be used from the main campus using an IP phone and all ran through the school's network. All this is through a private node of course and not through the all star network. Is this possible? Particularly the part with using the IP phone (I don't think it is a good idea to link the two radios). Any suggestions, guidance, and links to documentation on how to do this would be appreciated!
73's Noah KE5VQL _______________________________________________ App_rpt-users mailing list App_rpt-users@lists.allstarlink.org http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users
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participants (6)
-
Benjamin Naber -
Bob Pyke -
Brett Friermood -
Joe Puma -
kc8qch＠gmail.com -
Noah Chalker