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Adding STUN server address
Browse to Settings → Astersik Asterisk SIP settings page and add STUN Server Address under WebRTC Settings. You can find the list of stun servers at STUN Servers.
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Adding ICE host candidates
Browse to Settings → Astersik Asterisk SIP settings page and add Candidates under ICE Host Candidates. Local address will be your server's local LAN IP address and advertised address will be your public address.
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