1. Open Signal and tap compose, which is the pencil shaped icon in the upper-right corner. 2. Tap "Invite Friends to Signal." 3. Tap "Message." 4. Search your address book for the contact you'd ...

You can also send them an Instant Invite link if they are your friend on Discord. You may want to edit the invite link so that it never expires, just in case. Building out a Discord server means ...