diff --git a/RelayServer/Endpoints/RtcEndpoints.cs b/RelayServer/Endpoints/RtcEndpoints.cs
index 35446ce..4d06f90 100644
--- a/RelayServer/Endpoints/RtcEndpoints.cs
+++ b/RelayServer/Endpoints/RtcEndpoints.cs
@@ -47,9 +47,9 @@ public static class RtcEndpoints
         });
 
         // Store a new SDP answer for the specified channel call.
-        app.MapPost("/api/rtc/answer", async (RtcAnswer request, RtcCallService rtcCallService) =>
+        app.MapPost("/api/rtc/answer", async (RtcOffer request, RtcCallService rtcCallService) =>
         {
-            await rtcCallService.WriteAnswerAsync(request.ChannelId, request.OfferUser, request.AnswerUser, request.Sdp);
+            await rtcCallService.WriteAnswerAsync(request.ChannelId, request.SessionDescription);
             return Results.Ok();
         });
 
diff --git a/RelayServer/Services/Rtc/RtcCallService.cs b/RelayServer/Services/Rtc/RtcCallService.cs
index 2585ce3..a47b307 100644
--- a/RelayServer/Services/Rtc/RtcCallService.cs
+++ b/RelayServer/Services/Rtc/RtcCallService.cs
@@ -98,9 +98,8 @@ public sealed class RtcCallService
     /// </summary>
     /// <param name="channelId">The channel the answer belongs to.</param>
     /// <param name="offerUser">The original offer owner.</param>
-    /// <param name="answerUser">The user submitting the answer.</param>
-    /// <param name="sdp">The SDP answer payload.</param>
-    public async Task WriteAnswerAsync(string channelId, string offerUser, string answerUser, string sdp)
+    /// <param name="sessionDescription">The SDP and type answer payload.</param>
+    public async Task WriteAnswerAsync(string channelId, RtcSessionDescription sessionDescription)
     {
         var activeCalls = await _db.Select<RtcActiveCall>("rtc_active_calls");
         var activeCall = activeCalls.FirstOrDefault(x => x.ChannelId == channelId && x.IsActive);
@@ -110,8 +109,8 @@ public sealed class RtcCallService
 
         activeCall.Answer = new RtcSessionDescription
         {
-            Type = "answer",
-            Sdp = sdp
+            Type = sessionDescription.Type,
+            Sdp = sessionDescription.Sdp
         };
         activeCall.UpdatedAt = DateTime.UtcNow;