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Mototrbo phone interconnect

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LowderK

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Ok here is my question…. i have a repeater SLR5700 VHF that i would like to add a phone patch interconnection to….. what is the easiest way to do that and also would not like to break the bank if y’all know what i mean….. can it be done from a remote site with a mobile and zetron world patch.? or what equipment is needed.? thanks Kevin
 

krokus

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Ok here is my question…. i have a repeater SLR5700 VHF that i would like to add a phone patch interconnection to….. what is the easiest way to do that and also would not like to break the bank if y’all know what i mean….. can it be done from a remote site with a mobile and zetron world patch.? or what equipment is needed.? thanks Kevin
What is the goal? Phone patch? Interconnect to another repeater? Remote operation/dispatch? Other?
 

nd5y

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If you try to make a phone patch with the phone line at a remote location using a subscriber radio to operate through a repeater it will suck. VOX operated phone patches suck.
The only way to do it right is put the phone patch at the repeater. If the repeater is somewhere with no phone line then you need some type of full duplex link radios or network to make it work properly.
Maybe MOTOTRBO/DMR has some way to use both time slots for a phone patch but I haven't read about that.
 

nd5y

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I haven't messed with anything like that in decades.
If this is anything other than a ham repeater you first need to see if PSTN connection is legal in whatever service it is licensed for and if the license needs to be modified to FB2C or something.
You said it's a MOTOTRBO repeater. Is it networked? Are you sure it doesn't already have phone patch capability? Can MOTOTRBO make VoIP phone calls over the network without a phone line?
You need to talk to a Motorola dealer.
 
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Firebuff880

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MOTOTRBO repeaters for Single Site Digital, IP Site Connect, Capacity Plus and Multi-Site Capacity Plus support the Telephone Interconnect as a 4-wire connection through the DB-25 on the rear of the repeater. You may need an Entitlement License for the repeater depending on the model and age, and you only get one active Phone conversation path per repeater.

At one time Motorola suggested the MRTI2000 or the Zetron M735 as the interface to the 4-wire connection on the Repeater -

But I have also seen it done with an Asterisk Box, with the APP-RPT module included and DMK Engineering URI.

Good Luck -
 
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