Signal Messenger

Installing signal-cli

1. Install Java Runtime Environment

apt-get install default-jre

2. Download and install signal-cli

export VERSION=0.6.3
wget https://github.com/AsamK/signal-cli/releases/download/v"${VERSION}"/signal-cli-"${VERSION}".tar.gz
tar xf signal-cli-"${VERSION}".tar.gz -C /usr/share
ln -sf /usr/share/signal-cli-"${VERSION}"/bin/signal-cli /usr/local/bin/
rm signal-cli-"${VERSION}".tar.gz

3. Register phone number

signal-cli -u +492137787xxxx register --voice

4. Verify phone number

After receiving the voice call with verification code:

signal-cli -u +492137787xxxx verify xxx-xxx