Well, as you've probably surmised by this point, Roblox now has voice chat which was just released out of beta -- "Spatial voice chat," to be specific. Spatial voice chat is a feature that alters the volume (and sometimes the sound) of speakers depending on their position relative to you in the game world.
How do you activate Voice chat?
How to speed up voice message playback
Click Play to listen to voice messages you’ve sent or received.
Listen to the message.
While a message is playing, you can click the 1x icon to increase the speed to 1.5x or 2x.
How to enable voice chat on Xbox Roblox?
How to Enable Voice Chat in Roblox
Login to your Roblox account and tap on Settings.
Go to Account Info and select Verify My Age under your birthday.
A popup will appear with a QR code. ...
Tap on Start Session to begin the verification process.
Follow the instructions and then scan your ID proof.
How old do you have to be to use voice chat on Roblox?
Note: All Roblox users must be age 18 or over to enable voice chat. Users must also verify their age by uploading Photo ID to a portal provided by Roblox. If users do not meet either of these requirements, all voice chat features will most likely be disabled and restricted from their account. Check out our Roblox Voice Chat Guide for more detailed explanations concerning these requirements.
Can you voice chat on Roblox?
With these steps completed, users with voice chat enabled should be able to communicate with each other in most Roblox experiences.