Simple Voice Call

1. Microphone

echoCancellation noiseSuppression autoGainControl high quality voice

High quality = Opus 128kbps stereo + FEC (less compressed). Takes effect on next Create — re-exchange codes. Off = ~32kbps (better for weak networks).

Mic level: if it moves when you talk, your mic is reaching the app. Toggles apply live.
Mic gain: 100%
Call Volume: 100%

2. Are you starting or joining?

Initiator creates the Invite Code. Joiner pastes it and replies with a Reply Code. Creator never pastes join codes.

Initiator

Step A. Create Invite Code, send it to Joiner:

Step B. Paste Joiner's Reply Code to connect:

New codes every call. You never paste Invite Codes.

Joiner

Step A. Paste Initiator's Invite Code:

Step B. Send this Reply Code back:

You never create Invite Codes or paste Reply Codes. Just wait for audio after sending.