Install turnserver by entering the following commands in the terminal:
sudo apt update sudo apt install turnserver
Description:
server for ICE/STUN/TURN, NAT traversal for SIP and Jabber
TURN server developed by the team behind Jitsi. TURN (RFC 5766) provides a standardised solution for VoIP applications to find the most efficient way to route media streams when NAT and firewall devices may be present. . The TurnServer project aims to be compliant with the TURN and STUN Request For Comments (respectively RFC 5766 and RFC 5389). It also support RFC 6156 namely TURN-IPV6 (relay between IPv4-IPv6, IPv6-IPv4 and IPv6-IPv6 addresses) and RFC 6062 namely TURN-TCP (relay data with TCP).
Homepage: http://www.turnserver.org/
Version: 0.7.3-6build1
Section: universe/net