What is Mumble?
Mumble is a free, open-source, high-performance, low-latency audio conferencing server. It’s high quality and low latency, combined with it’s ability to conference, is GREAT for single snd multi-op ham radio use.
There are Mumble clients for Windows, Mac (OSX), Ipad (IOS), Android and Linux. Mumble users communicate on channels. A Mumble client on each end connects to a common "channel", and volia: you have audio. So, as a ham, you’ll need a client at the radio, and a client where your remote operation is taking place from.
This guide will talk about how to configure under Windows. The same concepts can be used to configure for other operating systems.
Getting Mumble...
To download Mumble, go to www.mumble.com and select the version of Mumble appropriate for your operating system. For most, this is 64-bit Windows, and the download link is:
https://download.mumble.com/en/mumble_client-1.4.230.x64.msi
After you install the client, run it.
When you first start Mumble, it automatically runs a bunch of Wizards. You should cancel out of ALL of them. Why? One reason is because it will fill your server list with 1000 servers you will never use! The other is it is much waste to configure Audio until later in the process. Once you have Mumble up, go to the Server->Connect menu or press the World icon.
For testing and experimentation purposes, I have quite a few ham radio Mumble Servers. See my post about them. You are fee to use them as long as you need. They are geographically diverse, so you should pick one close to you.
If you are interested in your own server, I’m happy to set you up with a local, private server close to you, for $10/year. Email me at gerry[at]w1ve.com if interested.
Let’s get connected to a server.
Click the "Add New..," button in the server diaog. You will see this:
The DNS name or IP Address goes in the Address box. You can choose from my server list above or enter the address of a server you know.
Port 64738 is the default Mumble port (it’s TCP). You may have been given info for a different port on your server. If you have, enter that.
For the username, I typically have this convention:
- If on the radio side, enter “Radio”, or something descriptive, like “TS-590”.
- For the Remote, operate side, enter the callsign, like “W1VE”
he Label is just a label. Often, I make it the same as the DNS name.
Click OK.
Connecting to a Mumble Server for the first time:
Bring up the Server dialog: (remember, click Server->Connect, or click the Globe icon) Double-click a server, or highlight one and click “Connect”.
NOTE: These next steps ONLY happen the first time you connect to a new server!
You will be presented with an Accept Certificate dialog that looks like this:
Mumble uses TLS encryption (yes, all audio is encrypted). In order to do that, it needs certificates. These are self-signed certificates.
The next dialog will be:
Working with Mumble
Here’s a connected session:
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