diff --git a/src/config/ConfigOptions.ts b/src/config/ConfigOptions.ts
index 5742f4e7..b11fb463 100644
--- a/src/config/ConfigOptions.ts
+++ b/src/config/ConfigOptions.ts
@@ -113,14 +113,10 @@ export interface ConfigOptions {
      * How long (in milliseconds) to wait before rotating end-to-end media encryption keys
      * when someone leaves a call.
      */
+    wait_for_key_rotation_ms?: number;
+    /** @deprecated use delay_new_key_sending_ms instead */
     key_rotation_on_leave_delay?: number;
 
-    /**
-     * How often (in milliseconds) keep-alive messages should be sent to the server for
-     * the MatrixRTC membership event.
-     */
-    membership_keep_alive_period?: number;
-
     /**
      * How long (in milliseconds) after the last keep-alive the server should expire the
      * MatrixRTC membership event.
@@ -133,6 +129,21 @@ export interface ConfigOptions {
      * The interval (in milliseconds) in which the client will send membership keep-alives to the server.
      */
     delayed_leave_event_restart_ms?: number;
+    /** @deprecated use delayed_leave_event_restart_ms instead */
+    membership_keep_alive_period?: number;
+
+    /**
+     * How long we wait before retrying after a network error on any of the requests.
+     */
+    network_error_retry_ms?: number;
+
+    /**
+     * The timeout (in milliseconds) after we joined the call, that our membership should expire
+     * unless we have explicitly updated it.
+     *
+     * This is what goes into the m.rtc.member event expiry field and is typically set to a number of hours.
+     */
+    membership_event_expiry_ms?: number;
   };
 }
 
diff --git a/src/rtcSessionHelpers.ts b/src/rtcSessionHelpers.ts
index 7965606f..e4176dc0 100644
--- a/src/rtcSessionHelpers.ts
+++ b/src/rtcSessionHelpers.ts
@@ -122,12 +122,17 @@ export async function enterRTCSession(
         useLegacyMemberEvents: !useDeviceSessionMemberEvents,
       }),
       delayedLeaveEventRestartMs:
-        matrixRtcSessionConfig?.delayed_leave_event_restart_ms,
+        matrixRtcSessionConfig?.delayed_leave_event_restart_ms ??
+        matrixRtcSessionConfig?.membership_keep_alive_period,
       delayedLeaveEventDelayMs:
         matrixRtcSessionConfig?.delayed_leave_event_delay_ms ??
         matrixRtcSessionConfig?.membership_server_side_expiry_timeout,
-      networkErrorRetryMs: matrixRtcSessionConfig?.membership_keep_alive_period,
-      makeKeyDelay: matrixRtcSessionConfig?.key_rotation_on_leave_delay,
+      networkErrorRetryMs: matrixRtcSessionConfig?.network_error_retry_ms,
+      makeKeyDelay:
+        matrixRtcSessionConfig?.wait_for_key_rotation_ms ??
+        matrixRtcSessionConfig?.key_rotation_on_leave_delay,
+      membershipEventExpiryMs:
+        matrixRtcSessionConfig?.membership_event_expiry_ms,
       useExperimentalToDeviceTransport,
     },
   );