[App_rpt-users] GMRS linked Repeater network using HAMVoIP

Pierre Martel petem001 at gmail.com
Mon Feb 18 18:05:02 EST 2019

So from what I can understand. you can link them if the method to link is
not connected to a pstn line. Now If I am not too crazy, that would mean
that a user that have only a dsl line on site could link by RF (using an
wifi access point and a wifi client network card ) to by pass the
interconnection to the pstn.. So it is very easy to not be connected to a
pstn network. The othe part aboit interconnected voip system. It is easy to
build a voip system that have no link to any pstn network (allstarlink
being one) But it is as easy to connect that voip system to a pstn system.
Grey is predominant in that situation.


Le lun. 18 févr. 2019 à 12:20, Brad Trogdon <Brad at trogdon.org> a écrit :

> Thank you for the reply but you provide no answers to my very specific
> questions.
> Please see my reply to your questions and comments noted by ">>>"
> Has anything been settled with HamVoIP as an attempt to run off with Jim’s
> work? As of this date I do not believe it has been.
> >>> What does HamVoIP have to do with the linking of GMRS Repeaters?
> In a shared repeater/simplex channel environment, it is always good to be
> able to monitor the input before keying up a repeater. In a linked system
> that’s not possible unless you do the BCLO in each repeater. Never saw that
> work out too well mixed mode.
> >>> Not sure you understand how radios work.  If a station is strong /
> close enough to the repeater to be heard then they are otherwise the users
> of the repeater users will talk over the "Unheard users".
> https://www.law.cornell.edu/cfr/text/47/95.1749
> >>> Cornell is not the authority. Federal Register in its entirety is
> https://www.federalregister.gov/documents/2017/08/29/2017-17395/personal-radio-service-reform#sectno-citation-%E2%80%8995.1701
> .  The URL which you provided references " telephone connection is
> prohibited".  What leads you to believe that telephone is connected?  In my
> specific situation Telco is not even connected to the building.  So no
> chance of violation.
> So if you have an organized group or club engaged in linking GMRS
> repeaters together and one of them is in violation related to telco, does
> that mean the collective network is 9/10 legal?
> >>> 1. GMRS Repeater linking as an ability or practice is not an
> "Organized Group".  2. No, the one person is the offender not the others
> whom are in compliance.  Its against the rules to use foul language on
> radio frequencies.  If another station is and you hear it but don't
> reciprocate does that make you and offender of the rules?  No and that
> logic is silly if you believe true.
> >>> Are you questioning your local GMRS folks whom are charging for access
> (Membership) to their closed system that is using apt_rpt (AllStar)?   *www.NorthGeorgiaGMRS.com
> <http://www.northgeorgiagmrs.com/>* is a single organized group of 30
> GMRS Linked repeaters.  I'm not a betting person but I would venture to
> guess that DSL is in the mix.
> <<< FCC Correspondence via email on the topic. >>>
> Case Id: HD0000002998556
> Summary: Licensing Requirements
> Description: There seems to be a lot of confusion as to whether linking
> the audio of two or more GMRS repeaters via an internet connection is
> permitted or prohibited under the part 95 rules.
> Could we please get some sort of clarification as to whether this is a
> strictly prohibited action per part 95 rules?
> Thank you.
> Solution Description: Dear Mr. *******,
> GMRS stations may not be interconnected to the public switched telephone
> network as per 95.127. However, proposing to use a VoIP link between the
> two repeater sites is permissible if the link is considered
> non-interconnected VoIP. VoIP can either be an interconnected VoIP service
> or non-interconnected VoIP service, see the definitions below. It is my
> understanding that if your internet provider is the cable company, it’s
> fine; but if you have DSL or dial-up internet from the phone company, it
> isn’t.
> The second method using RF to link the two repeater sites is allowed so
> long as the link meets the rules and limitations for fixed stations
> pursuant to the Part 95 rules.
> §64.601
> (23) Non-interconnected VoIP service. The term “non-interconnected VoIP
> service”—
> (i) Means a service that—
> (A) Enables real-time voice communications that originate from or
> terminate to the user's location using Internet protocol or any successor
> protocol; and
> (B) Requires Internet protocol compatible customer premises equipment; and
> (ii) Does not include any service that is an interconnected VoIP service.
> §9.3
> Interconnected VoIP service. An interconnected Voice over Internet
> protocol (VoIP) service is a service that:
> (1) Enables real-time, two-way voice communications;
> (2) Requires a broadband connection from the user's location;
> (3) Requires Internet protocol-compatible customer premises equipment
> (CPE); and
> (4) Permits users generally to receive calls that originate on the public
> switched telephone network and to terminate calls to the public switched
> telephone network.
> The rules may be found at the following website:
> https://www.fcc.gov/general/rules-regulations-title-47
> Should you have any further questions, or need additional information,
> please submit a request through https://esupport.fcc.gov/onlinerequest.htm
>  or call the FCC Licensing Support Center at 1-877-480-3201, selecting
> option 2 after the main menu.
> Sincerely,
> FCC Licensing Support Center
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