Configure a Pi-Star based multi network DMR hotspot
June 3rd, 2020 | Author: Jeff VE6DV
Often when people create a DMR hotspot they set them up for only one network. But if they want to use DMR+ one moment, then Brandmeister the next and then later talk with someone on the TGIF network they will need to switch back and forth depending on which network they want to use. Switching back and forth between networks works well. But this involves loading the configuration for the network that you want to use. But what if you want to be able to use multiple networks at the same time? This can easily be done by configuring the following within your Pi-Star settings. You will also need to update the code plug within your radio. But once you have everything setup you will be able to go from Brandmeister to DMR+ to TGIF all within the radio. No need to change the configuration within your hotspot.
To get started, first you will want to backup your configuration. This way if something goes wrong you will be able to get back to where you started. Next, in pi-star click on configuration, then Expert, then in the Full Edit row click on DMR GW. You will want to configure the various DMR Networks. Cut and paste the following into the section showing your DMR networks in the expert configuration file. Be sure to modify the proper sections with your DMR ID etc otherwise the network will not let you connect. Your DMR network sections should look exactly like my examples below except for the following: DMR Network 1 – you will need to enter your Brandmeister Hotspot Security Password between the quotes and your DMR ID where it is called for. You may also want to change your Brandmeister master server to the one closest to your physical location however it probably won’t really make much of a difference in performance. The Canadian server works quite well and has very low latency from just about anywhere. It also has fewer users than other servers so you may actually find it works a little better. In DMR Network 2 you need to enter your DMR ID where it is called for. I suggest keeping the IPSC2 server as IPSC2-QuadNet. Full disclosure, I am an admin and founding member with QuadNet so I am probably a little biased. IPSC2-QuadNet is the server that we run and one that we can make sure works and works well. If there is a problem, we fix it. If our users have an issue we can try to help We can’t say the same about other servers. That being said you can use any IPSC2 server that you prefer. If you select a different server you may find that talkgroups may not work as expected but you can contact the server owner for assistance. The options= line in this section is configured with the most active DMR+ talkgroups and is how I have my configuration setup. But you can change these as desired.
DMR Network 3 can be left as is
DMR Network 4 – Enter your DMR ID where it is called for
[DMR Network 1]
Password=”Enter your BM Hotspot Security Password here”
Id=Enter your DMR ID here
[DMR Network 2]
Id=Enter your DMR ID here
[DMR Network 3]
[DMR Network 4]
Id=Enter your DMR ID here
Once your DMR Networks are configured as shown in the examples, scroll to the bottom of the page and click on Apply Changes. Next click on Admin, then power, finally click on reboot to restart your hotspot.
The next thing you will need to do is to configure your radio to work with the new hotspot settings. Each talkgroup you add to your code plug will need to have the proper prefix added except for Brandmeister. BM talkgroups can be used as you always have without a prefix. This should make updating your code plug fairly painless. The other networks you will need to add the prefix as follows:
The DMR+ prefix is 8 and each talkgroup has 4 digits. So to use access the QuadNet Array you would use talkgroup 80320. To program the talkgroup for North America you would use 80003 and so on. The following are the most active DMR+ talkgroups so I converted them to the proper format for you:
80001 – World Wide (All languages)
80002 – Europe
80003 – North America
80013 – World Wide English
80113 – UAE 1 (User Accessible English 1)
80123 – UAE 2 (User Accessible English 2)
80133 – USA Wide
80235 – United Kingdom
80302 – Canada Wide
80315 – QuadNet Technical (Linked to D-STAR)
80320 – QuadNet Array (linked to D-STAR, Brandmeister DMR, Yaesu System Fusion & Wires X
80505 – Australia Wide
89990 – DMR+ Parrot. This needs to be setup as a group call.
Brandmeister has no prefix. Just program the talkgroup number as you always have
TGIF is 4 and the talkgroup numbers are 6 digits. So to use the IRN talkgroup on TGIF talkgroup 320 would be programmed as 4000320
Testing your hotspot
Now let’s test your setup to confirm everything is working using each network’s Parrot. To test the Brandmeister connection, do a private call to 9990. To test DMR+ send a group call to 89990 and to test TGIF send a private call to 4009990. Each should play back what you transmit. If one of the networks does not work check the configuration file to be sure you entered all of the required information such as your DMR ID or your Brandmeister hotspot security password, save and try again.
To make a private call to another station, just enter their DMR ID in your code plug and select private call. The call will be routed over the Brandmeister network.
I hope this helps you to get your multi network hotspot up and running. If you have any questions, feel free to give me a call on the QuadNet Array DMR+ talkgroup 320. You can also send an email to email@example.com. If you have any questions about the IPSC2-QuadNet server, send an email to firstname.lastname@example.org
I would like to thank Cliff VE6PLC and Andy MW0MWZ for your help with this configuration. Without your input this solution would not have been nearly as elegant. I would also like to thank the many volunteers that helped make sure this worked on their hotspot. If it weren’t for you helping to find bugs this project would have been a lot more difficult.
73 – Jeff VE6DV