private void ConnectionManager_BitChatNetworkChannelInvitation(BinaryID hashedPeerEmailAddress, IPEndPoint peerEP, string message)
        {
            BinaryID networkID = BitChatNetwork.GetNetworkID(_profile.LocalCertificateStore.Certificate.IssuedTo.EmailAddress, hashedPeerEmailAddress);
            bool     networkExists;

            lock (_chats)
            {
                networkExists = _chats.ContainsKey(networkID);
            }

            if (!networkExists)
            {
                CreateInvitationPrivateChat(hashedPeerEmailAddress, networkID, peerEP, message);
            }
        }