This isn't FULLY functional, but it's what I've made thus far... I'm still working on a Ice Disconnect somewhere at least for me - welcome to test.

RelayClient/MainPage.xaml.cs

@@ -610,11 +610,11 @@ public partial class MainPage : ContentPage
         Console.WriteLine($"[{_username}] sent RTC signal: {rtcSignal.Type} -> {rtcSignal.ChannelId}");
     } //Remove?
     
-    //public async Task<string> GetRtcParticipants() // TODO: UNCOMMENT AND ADD
+    public async Task<string> GetRtcParticipants()
-    //{
+    {
-    //    var participants = await ServerAPI.GetRtcParticipantsAsync(_currentChannelId);
+        var participants = await ServerAPI.GetRtcParticipantsAsync(_currentChannelId);
-    //    return JsonSerializer.Serialize(participants);
+        return JsonSerializer.Serialize(participants);
-    //}
+    }
     
     #endregion
     private void OnSendMessageButtonClicked(object sender, EventArgs e)

RelayClient/Resources/Raw/wwwroot/index.html

@@ -35,11 +35,7 @@
                 <div id="localMediaStatus">Waiting for local media...</div>
             </div>
 
-            <div style="display: inline-block; vertical-align: top;">
+            <div id="remoteMediaContainer" class="remote-media-container"></div>
-                <video id="remoteVideo" autoplay playsinline style="width: 320px; height: 240px; background: #111;"></video>
-                <div id="remoteVideoStatus">Remote video: waiting...</div>
-                <div id="remoteMediaStatus">Remote media: waiting...</div>
-            </div>
         </div>
         
         <div style="margin-top: 10px;">

RelayClient/Resources/Raw/wwwroot/index.js

@@ -42,63 +42,6 @@ function hasAudioTrack() {
     return !!localStream && localStream.getAudioTracks().length > 0;
 }
 
-async function ensurePeerConnection() {
-    if (peerConnection) return;
-
-    peerConnection = new RTCPeerConnection({
-        iceServers: [{ urls: "stun:stun.l.google.com:19302" }]
-    });
-
-    peerConnection.onicecandidate = (event) => {
-        if (event.candidate) {
-            LogMessage("ICE candidate gathered");
-        }
-    };
-
-    peerConnection.ontrack = (event) => {
-        LogMessage("Remote track received");
-
-        const remoteVideo = document.getElementById("remoteVideo");
-        const remoteVideoStatus = document.getElementById("remoteVideoStatus");
-        const remoteMediaStatus = document.getElementById("remoteMediaStatus");
-
-        const stream = event.streams[0];
-        const hasVideo = stream.getVideoTracks().length > 0;
-        const hasAudio = stream.getAudioTracks().length > 0;
-
-        if (hasVideo) {
-            remoteVideo.srcObject = stream;
-        } else {
-            remoteVideo.srcObject = null;
-        }
-
-        if (remoteVideoStatus) {
-            remoteVideoStatus.textContent = hasVideo
-                ? "Remote video: active"
-                : "Remote video: unavailable";
-        }
-
-        if (remoteMediaStatus) {
-            remoteMediaStatus.textContent = `Remote media: audio=${hasAudio} video=${hasVideo}`;
-        }
-    };
-
-    peerConnection.onconnectionstatechange = () => {
-        LogMessage("Connection state: " + peerConnection.connectionState);
-        const remoteMediaStatus = document.getElementById("remoteMediaStatus");
-        if (remoteMediaStatus && peerConnection.connectionState === "connected") {
-            remoteMediaStatus.textContent += " | connected";
-        }
-    };
-
-    peerConnection.oniceconnectionstatechange = () => {
-        LogMessage("ICE connection state: " + peerConnection.iceConnectionState);
-    };
-
-    peerConnection.onicegatheringstatechange = () => {
-        LogMessage("ICE gathering state: " + peerConnection.iceGatheringState);
-    };
-} //Remove?
 async function ensureLocalMedia(forceReload = false) {
     const localMediaStatus = document.getElementById("localMediaStatus");
     const localVideoStatus = document.getElementById("localVideoStatus");
@@ -174,31 +117,34 @@ async function ensureLocalMedia(forceReload = false) {
     }
 }
 
-async function applyLocalStreamToPeerConnection() {
+async function applyLocalStreamToPeerConnections() {
-    if (!peerConnection || !localStream) return;
+    if (!localStream) return;
-
-    const senders = peerConnection.getSenders();
 
     const audioTrack = localStream.getAudioTracks()[0] || null;
     const videoTrack = localStream.getVideoTracks()[0] || null;
 
+    for (const username of Object.keys(peerConnections)) {
+        const pc = peerConnections[username];
+        const senders = pc.getSenders();
+
         const audioSender = senders.find(s => s.track && s.track.kind === "audio");
         const videoSender = senders.find(s => s.track && s.track.kind === "video");
 
         if (audioSender) {
             await audioSender.replaceTrack(audioTrack);
-        LogMessage("Replaced audio track on peer connection");
+            LogMessage(`Replaced audio track for ${username}`);
         } else if (audioTrack) {
-        peerConnection.addTrack(audioTrack, localStream);
+            pc.addTrack(audioTrack, localStream);
-        LogMessage("Added audio track to peer connection");
+            LogMessage(`Added audio track for ${username}`);
         }
 
         if (videoSender) {
             await videoSender.replaceTrack(videoTrack);
-        LogMessage("Replaced video track on peer connection");
+            LogMessage(`Replaced video track for ${username}`);
         } else if (videoTrack) {
-        peerConnection.addTrack(videoTrack, localStream);
+            pc.addTrack(videoTrack, localStream);
-        LogMessage("Added video track to peer connection");
+            LogMessage(`Added video track for ${username}`);
+        }
     }
 }
 
@@ -206,238 +152,188 @@ async function refreshDevicesAndPreview() {
     await loadDevices();
     await ensureLocalMedia(true);
 
-    if (peerConnection) {
+    if (Object.keys(peerConnections).length > 0) {
-        await applyLocalStreamToPeerConnection();
+        await applyLocalStreamToPeerConnections();
     }
 }
 
 async function joinChannelCall() {
     LogMessage("Current username: " + currentUsername);
     LogMessage("Current channel: " + currentChannelId);
-    // LogMessage("Joining RTCChannel");
-    let active = await window.HybridWebView.InvokeDotNet("JoinRtcChannel");
-    await channelCallJoin(active);
-    // LogMessage("Joined RTCChannel");
-    // return;
-    // try {
-    //     if (!currentChannelId) {
-    //         LogMessage("No current channel set.");
-    //         return;
-    //     }
-    //
-    //     await ensurePeerConnection();
-    //     await ensureLocalMedia();
-    //
-    //     LogMessage(`Joining call with media: audio=${hasAudioTrack()} video=${hasVideoTrack()}`);
-    //
-    //     const payload = {
-    //         type: "rtc_join",
-    //         from: currentUsername,
-    //         channelId: currentChannelId
-    //     };
-    //
-    //     LogMessage("Requesting join for channel " + currentChannelId);
-    //     await window.HybridWebView.InvokeDotNet("SendRtcSignal", [JSON.stringify(payload)]);
-    // } catch (err) {
-    //     LogMessage("joinChannelCall failed: " + err);
-    // }
-} //Combine with channelCallJoin
 
-async function ensurePeerConnectionForUser(username)
+    await window.HybridWebView.InvokeDotNet("JoinRtcChannel");
-{
-    if (peerConnection) return;
-    peerConnection = new RTCPeerConnection(configuration);
-
-    peerConnection.onicegatheringstatechange = () => {
-        console.log(`ICE gathering state changed: ${peerConnection.iceGatheringState}`);
-    };
-    peerConnection.onconnectionstatechange = () => {
-        console.log(`Connection state change: ${peerConnection.connectionState}`);
-    };
-    peerConnection.onsignalingstatechange = () => {
-        console.log(`Signaling state change: ${peerConnection.signalingState}`);
-    };
-    peerConnection.oniceconnectionstatechange = () => {
-        console.log(`ICE connection state change: ${peerConnection.iceConnectionState}`); 
-    };
-    
-    peerConnection.onicecandidate = async (event) => {
-        console.log(`Ice Candidate: ${JSON.stringify(event.candidate)}`);
-        // LogMessage(`Ice Candidate: ${JSON.stringify(event.candidate)}`);
-        await window.HybridWebView.InvokeDotNet("WriteIceCandidate", [JSON.stringify(event.candidate)]);
-        //await IceCandidateAdded(event.candidate);
-    };
-    
-    peerConnection.ontrack = (event) => {
-        LogMessage("Remote track received");
-
-        const remoteVideo = document.getElementById("remoteVideo");
-        const remoteVideoStatus = document.getElementById("remoteVideoStatus");
-        const remoteMediaStatus = document.getElementById("remoteMediaStatus");
-
-        const stream = event.streams[0];
-        const hasVideo = stream.getVideoTracks().length > 0;
-        const hasAudio = stream.getAudioTracks().length > 0;
-
-        if (hasVideo) {
-            remoteVideo.srcObject = stream;
-        } else {
-            remoteVideo.srcObject = null;
-        }
-
-        if (remoteVideoStatus) {
-            remoteVideoStatus.textContent = hasVideo
-                ? "Remote video: active"
-                : "Remote video: unavailable";
-        }
-
-        if (remoteMediaStatus) {
-            remoteMediaStatus.textContent = `Remote media: audio=${hasAudio} video=${hasVideo}`;
-        }
-    };
-}
-async function channelCallJoin(activeCall)
-{
-    // LogMessage("Active call: " + activeCall);
-    await ensurePeerConnectionForUser();
     await ensureLocalMedia();
-    await applyLocalStreamToPeerConnection();
 
-    if (activeCall)
+    const rawParticipants = await window.HybridWebView.InvokeDotNet("GetRtcParticipants");
-    {
+    const participants = typeof rawParticipants === "string"
-        const rawJson = await window.HybridWebView.InvokeDotNet("GetRtcOffer");
+        ? JSON.parse(rawParticipants)
-        const offer = typeof rawJson === "string" ? JSON.parse(rawJson) : rawJson;
+        : rawParticipants;
-        await peerConnection.setRemoteDescription(offer);
-        const answer = await peerConnection.createAnswer();
-        await peerConnection.setLocalDescription(answer);
 
-        // LogMessage("Joining call with media answer: " + JSON.stringify(answer));
+    LogMessage("Participants: " + JSON.stringify(participants)); // TODO: Remove
-        // LogMessage("Calling C# WriteRtcAnswer with: " + JSON.stringify(answer));
-        await window.HybridWebView.InvokeDotNet("WriteRtcAnswer", [JSON.stringify(answer)]);
-    }
-    else
-    {
-        const offer = await peerConnection.createOffer();
-        await peerConnection.setLocalDescription(offer);
 
-        await window.HybridWebView.InvokeDotNet("WriteRtcOffer", [JSON.stringify(offer)]);
+    for (const username of participants) {
-        LogMessage(`Joining call with media offer: ${JSON.stringify(offer)}`);
+        if (username === currentUsername) continue;
-    }
-}
-async function AnswerCallbackJS(answer)
-{
-    answer.sdp = answer.sdp.replaceAll("(rn)", "\r\n");
-    // LogMessage("Answer: " + JSON.stringify(answer));
 
-    // LogMessage("RemoteDescription: " + peerConnection.currentRemoteDescription);
+        const pc = await ensurePeerConnectionForUser(username);
 
-    if (!peerConnection.currentRemoteDescription && answer)
+        const offer = await pc.createOffer();
-    {
+        await pc.setLocalDescription(offer);
-        LogMessage("Current answer: " + JSON.stringify(answer));
-        const desc = new RTCSessionDescription(answer);
-        await peerConnection.setRemoteDescription(desc);
-        for (const candidate of candidateQueue) {
-            await peerConnection.addIceCandidate(candidate);
-        }
-    }
-}
-async function IceCandidateAdded(candidate)
-{
-    if (peerConnection.currentRemoteDescription) {
-        await peerConnection.addIceCandidate(candidate);
-        // LogMessage("ICE CANDIDATE ADDED: " + JSON.stringify(candidate));
-    }
-    else {
-        // LogMessage("RemoteDescription Missing")
-        candidateQueue.push(candidate);
 
+        const payload = {
+            type: "rtc_offer",
+            from: currentUsername,
+            to: username,
+            channelId: currentChannelId,
+            sdp: offer.sdp
+        };
+
+        await window.HybridWebView.InvokeDotNet("SendRtcSignal", [JSON.stringify(payload)]);
+        LogMessage(`Sent offer to ${username}`);
     }
 }
 
-async function RtcLeaveCall()
+async function ensurePeerConnectionForUser(username) {
-{}
+    if (peerConnections[username]) return peerConnections[username];
+
+    const pc = new RTCPeerConnection(configuration);
+    peerConnections[username] = pc;
+
+    pc.onicegatheringstatechange = () => {
+        console.log(`ICE gathering state changed for ${username}: ${pc.iceGatheringState}`);
+    };
+
+    pc.onconnectionstatechange = () => {
+        console.log(`Connection state change for ${username}: ${pc.connectionState}`);
+    };
+
+    pc.onsignalingstatechange = () => {
+        console.log(`Signaling state change for ${username}: ${pc.signalingState}`);
+    };
+
+    pc.oniceconnectionstatechange = () => {
+        console.log(`ICE connection state change for ${username}: ${pc.iceConnectionState}`);
+    };
+
+    pc.onicecandidate = async (event) => {
+        if (!event.candidate) return;
+
+        await window.HybridWebView.InvokeDotNet("WriteIceCandidate", [JSON.stringify(event.candidate)]);
+    };
+
+    pc.ontrack = (event) => {
+        LogMessage(`Remote track received from ${username}`);
+
+        if (!remoteStreams[username]) {
+            remoteStreams[username] = new MediaStream();
+        }
+
+        const stream = remoteStreams[username];
+
+        event.streams[0].getTracks().forEach(track => {
+            if (!stream.getTracks().some(t => t.id === track.id)) {
+                stream.addTrack(track);
+            }
+        });
+
+        const remoteVideo = ensureRemoteTile(username);
+        if (remoteVideo) {
+            remoteVideo.srcObject = stream;
+        }
+    };
+
+    if (localStream) {
+        const existingKinds = pc.getSenders()
+            .map(sender => sender.track?.kind)
+            .filter(Boolean);
+
+        for (const track of localStream.getTracks()) {
+            if (!existingKinds.includes(track.kind)) {
+                pc.addTrack(track, localStream);
+            }
+        }
+    }
+
+    return pc;
+}
+
+async function RtcLeaveCall() { // TODO: Just a minimal function so it's not empty.
+    for (const username of Object.keys(peerConnections)) {
+        peerConnections[username].close();
+        removeRemoteTile(username);
+    }
+
+    peerConnections = {};
+    remoteStreams = {};
+    candidateQueue = [];
+
+    LogMessage("RTC call cleaned up");
+}
+
+function removeParticipant(username) {
+    const pc = peerConnections[username];
+    if (pc) {
+        pc.close();
+        delete peerConnections[username];
+    }
+
+    delete remoteStreams[username];
+    removeRemoteTile(username);
+
+    LogMessage(`Removed participant ${username}`);
+}
+
 async function handleRtcSignal(rawJson) {
     try {
         const msg = typeof rawJson === "string" ? JSON.parse(rawJson) : rawJson;
 
         LogMessage("Received signal: " + msg.type + " from " + msg.from + " in " + msg.channelId);
 
-        await ensurePeerConnection();
+        if (!msg.from || msg.from === currentUsername) return;
 
-        if (msg.type === "rtc_join_state") {
+        const pc = await ensurePeerConnectionForUser(msg.from);
-            if (msg.isInitiator) {
-                LogMessage("No active call found. Becoming initiator.");
-
-                const offer = await peerConnection.createOffer();
-                await peerConnection.setLocalDescription(offer);
-                // await waitForIceGatheringComplete(peerConnection);
-
-                const payload = {
-                    type: "rtc_offer",
-                    from: currentUsername,
-                    channelId: currentChannelId,
-                    sdp: peerConnection.localDescription.sdp
-                };
-
-                LogMessage("Sending offer to channel " + currentChannelId);
-                await window.HybridWebView.InvokeDotNet("SendRtcSignal", [JSON.stringify(payload)]);
-            } else {
-                LogMessage("Active call exists. Waiting for stored offer.");
-            }
-
-            return;
-        }
 
         if (msg.type === "rtc_offer") {
-            LogMessage("Incoming channel call offer from " + msg.from);
             await ensureLocalMedia();
 
-            LogMessage(`Answering call with media: audio=${hasAudioTrack()} video=${hasVideoTrack()}`);
+            await pc.setRemoteDescription({
-            LogMessage("Applying remote offer");
-
-            await peerConnection.setRemoteDescription({
                 type: "offer",
                 sdp: msg.sdp
             });
 
-            const answer = await peerConnection.createAnswer();
+            const answer = await pc.createAnswer();
-            await peerConnection.setLocalDescription(answer);
+            await pc.setLocalDescription(answer);
-            // await waitForIceGatheringComplete(peerConnection);
 
             const payload = {
                 type: "rtc_answer",
                 from: currentUsername,
+                to: msg.from,
                 channelId: msg.channelId,
-                sdp: peerConnection.localDescription.sdp
+                sdp: answer.sdp
             };
 
-            LogMessage("Sending answer to channel " + msg.channelId);
             await window.HybridWebView.InvokeDotNet("SendRtcSignal", [JSON.stringify(payload)]);
+            LogMessage(`Sent answer to ${msg.from}`);
             return;
         }
 
         if (msg.type === "rtc_answer") {
-            LogMessage("Applying remote answer");
+            await pc.setRemoteDescription({
-
-            await peerConnection.setRemoteDescription({
                 type: "answer",
                 sdp: msg.sdp
             });
 
-            LogMessage("Remote answer applied");
+            LogMessage(`Remote answer applied for ${msg.from}`);
             return;
         }
 
         if (msg.type === "rtc_ice_candidate") {
-            LogMessage("Applying remote ICE candidate");
+            await pc.addIceCandidate({
-
-            await peerConnection.addIceCandidate({
                 candidate: msg.candidate,
                 sdpMid: msg.sdpMid,
                 sdpMLineIndex: msg.sdpMLineIndex
             });
 
-            LogMessage("Remote ICE candidate applied");
+            LogMessage(`Remote ICE candidate applied for ${msg.from}`);
             return;
         }
 
@@ -445,7 +341,7 @@ async function handleRtcSignal(rawJson) {
     } catch (err) {
         LogMessage("handleRtcSignal failed: " + err);
     }
-} //Remove?
+}
 
 async function loadDevices() {
     try {
@@ -503,7 +399,7 @@ function wireDeviceSelectors() {
         cameraSelect.onchange = async () => {
             LogMessage("Camera changed");
             await ensureLocalMedia(true);
-            await applyLocalStreamToPeerConnection();
+            await applyLocalStreamToPeerConnections();
         };
     }
 
@@ -511,7 +407,7 @@ function wireDeviceSelectors() {
         micSelect.onchange = async () => {
             LogMessage("Microphone changed");
             await ensureLocalMedia(true);
-            await applyLocalStreamToPeerConnection();
+            await applyLocalStreamToPeerConnections();
         };
     }
 }
@@ -531,6 +427,42 @@ async function waitForIceGatheringComplete(pc) {
     });
 } //Remove?
 
+function ensureRemoteTile(username) {
+    let tile = document.getElementById(`remote-tile-${username}`);
+    if (tile) {
+        return tile.querySelector("video");
+    }
+
+    const container = document.getElementById("remoteMediaContainer");
+    if (!container) return null;
+
+    tile = document.createElement("div");
+    tile.id = `remote-tile-${username}`;
+    tile.className = "remote-tile";
+
+    const video = document.createElement("video");
+    video.id = `remote-video-${username}`;
+    video.autoplay = true;
+    video.playsInline = true;
+
+    const label = document.createElement("div");
+    label.className = "remote-label";
+    label.textContent = username;
+
+    tile.appendChild(video);
+    tile.appendChild(label);
+    container.appendChild(tile);
+
+    return video;
+}
+
+function removeRemoteTile(username) {
+    const tile = document.getElementById(`remote-tile-${username}`);
+    if (tile) {
+        tile.remove();
+    }
+}
+
 window.handleRtcSignal = handleRtcSignal;
 
 window.addEventListener("HybridWebViewMessageReceived", function (e) {

RelayClient/ServerAPI.cs

@@ -111,6 +111,19 @@ public class ServerAPI
         var json = await response.Content.ReadAsStringAsync();
         return JsonSerializer.Deserialize<RtcDescription>(json);
     }
+    
+    public static async Task<List<string>> GetRtcParticipantsAsync(string? channelId)
+    {
+        if (string.IsNullOrWhiteSpace(channelId))
+            return new List<string>();
+
+        HttpResponseMessage response = await client.GetAsync($"api/rtc/participants/{channelId}");
+        response.EnsureSuccessStatusCode();
+
+        var json = await response.Content.ReadAsStringAsync();
+
+        return JsonSerializer.Deserialize<List<string>>(json) ?? new List<string>();
+    }
 }
 
 public class RtcDescription

RelayServer/Endpoints/RtcEndpoints.cs

@@ -71,11 +71,10 @@ public static class RtcEndpoints
             return Results.Ok(await rtcCallService.GetAnswersAsync(channelId));
         });
         
-        //app.MapGet("/api/rtc/participants/{channelId}", (string channelId) => // TODO: UNCOMMENT AND ADD
+        app.MapGet("/api/rtc/participants/{channelId}", (string channelId) =>
-        //{
+        {
-        //    var participants = RtcChannelPresenceService.GetUsernamesInChannel(channelId);
+            return Results.Ok(RtcChannelPresenceService.GetUsersInChannel(channelId));
-        //    return Results.Ok(participants);
+        });
-        //});
 
         // Return the latest answer stored for the specified channel.
         app.MapGet("/api/rtc/answer/{channelId}", async (string channelId, RtcCallService rtcCallService) =>

RelayServer/Services/Chat/ChatSocketBehavior.cs

@@ -69,9 +69,72 @@ public class ChatSocketBehavior : WebSocketBehavior
             return;
         }
 
+        if (IsEncryptedRtcSignal(msg))
+        {
+            HandleEncryptedRtcSignal(msg);
+            return;
+        }
+
         HandleEncryptedChatMessage(msg);
     }
     
+    private static bool IsEncryptedRtcSignal(string msg)
+    {
+        try
+        {
+            using var doc = JsonDocument.Parse(msg);
+            var root = doc.RootElement;
+
+            if (!root.TryGetProperty("Type", out var typeProp))
+                return false;
+
+            var type = (SignalType)typeProp.GetInt32();
+
+            return type == SignalType.EncryptedSignal;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+    
+    private void HandleEncryptedRtcSignal(string msg)
+    {
+        Console.WriteLine("RTC SIGNAL HIT");
+        SocketRtcSignalMessage? clientPayload;
+
+        try
+        {
+            clientPayload = JsonSerializer.Deserialize<SocketRtcSignalMessage>(msg);
+        }
+        catch
+        {
+            Console.WriteLine("Failed to parse encrypted RTC signal payload.");
+            return;
+        }
+
+        if (clientPayload is null || clientPayload.Type != SignalType.EncryptedSignal)
+            return;
+
+        if (string.IsNullOrWhiteSpace(clientPayload.ChannelId))
+        {
+            Console.WriteLine("Encrypted RTC signal missing channel id.");
+            return;
+        }
+
+        var sessionIds = RtcChannelPresenceService.GetSessionsInChannel(clientPayload.ChannelId);
+
+        foreach (var sessionId in sessionIds)
+        {
+            if (sessionId == ID)
+                continue;
+
+            Sessions.SendTo(JsonSerializer.Serialize(clientPayload), sessionId);
+        }
+
+        Console.WriteLine($"Forwarded encrypted RTC signal from {clientPayload.SenderUsername} to channel {clientPayload.ChannelId}");
+    }
+    
     /// <summary>
     /// 
     /// </summary>

RelayServer/Services/Rtc/RtcChannelPresenceService.cs

@@ -36,6 +36,11 @@ public static class RtcChannelPresenceService
             .ToList();
     }
     
+    public static List<string> GetUsernamesInChannel(string channelId)
+    {
+        return GetUsersInChannel(channelId).ToList();
+    }
+
     public static IReadOnlyList<string> GetUsersInChannel(string channelId)
     {
         var sessionIds = GetSessionsInChannel(channelId);

RelayShared/Rtc/RtcModels.cs

@@ -1,4 +1,6 @@
-using SurrealDb.Net.Models;
+using System.Text.Json.Serialization;
+using RelayShared.Rtc;
+using SurrealDb.Net.Models;
 
 #region Resharper Stuff
 // ReSharper disable ClassNeverInstantiated.Global
@@ -26,13 +28,31 @@ public enum SignalType
 
 public sealed class RtcSignalMessage
 {
+    [JsonPropertyName("type")]
     public SignalType Type { get; set; }
+
+    [JsonPropertyName("from")]
     public string From { get; set; } = string.Empty;
+
+    [JsonPropertyName("to")]
+    public string To { get; set; } = string.Empty;
+
+    [JsonPropertyName("channelId")]
     public string ChannelId { get; set; } = string.Empty;
+
+    [JsonPropertyName("sdp")]
     public string? Sdp { get; set; }
+
+    [JsonPropertyName("candidate")]
     public string? Candidate { get; set; }
+
+    [JsonPropertyName("sdpMid")]
     public string? SdpMid { get; set; }
+
+    [JsonPropertyName("sdpMLineIndex")]
     public int? SdpMLineIndex { get; set; }
+    
+    [JsonPropertyName("isInitiator")]
     public bool IsInitiator { get; set; }
 }