diff --git a/tests/test_radio.c b/tests/test_radio.c
index 93240fae..12f872f4 100644
--- a/tests/test_radio.c
+++ b/tests/test_radio.c
@@ -134,16 +134,27 @@ static void radio_action(struct UTUN_INSTANCE* inst, uint64_t id, int action, ui
     radio_call_execute(&req);
 }
 
-static int radio_invitation_timers(struct UASYNC* ua) {
+static int active_timer_count(struct UASYNC* ua) {
     int count = 0;
     for (size_t i = 0; i < ua->timeout_heap->size; ++i) {
         TimeoutEntry* entry = &ua->timeout_heap->heap[i];
-        struct timeout_node* node = entry->data;
-        if (!entry->deleted && node && node->name && !strcmp(node->name, "radio_call")) ++count;
+        if (!entry->deleted) ++count;
     }
     return count;
 }
 
+/* Публичный lifecycle: idle destroy/init не должен удалять или создавать ни одного таймера. */
+static int check_radio_idle_timers(struct rad_ctx* t) {
+    int before = active_timer_count(t->ua);
+    for (int i = 0; i < 3; ++i) radio_call_destroy(t->inst[i]);
+    int stopped = active_timer_count(t->ua);
+    for (int i = 0; i < 3; ++i) if (radio_call_init(t->inst[i])) return 0;
+    int restarted = active_timer_count(t->ua);
+    if (before == stopped && stopped == restarted) return 1;
+    DEBUG_ERROR(DEBUG_CATEGORY_RADIO, "test idle radio timers before=%d stopped=%d restarted=%d", before, stopped, restarted);
+    return 0;
+}
+
 /* Проверяем именно UI-события: self, прямой пир и пир за посредником. */
 static void member_event(struct UTUN_INSTANCE* inst, int type, const uint8_t* data, int len) {
     if (type == CHAT_EVT_RADIO_CALL) {
@@ -468,7 +479,7 @@ static void rad_tick(void* arg) {
         case 0: {
             uint8_t key[32];
             if (member_sync_verified_ed25519(A, CH_ID, nc, key) || member_sync_verified_ed25519(C, CH_ID, na, key)) break;
-            if (radio_invitation_timers(t->ua)) {
+            if (!check_radio_idle_timers(t)) {
                 DEBUG_ERROR(DEBUG_CATEGORY_RADIO, "test idle radio invitation service has timers");
                 t->result = 2; uasync_stop(t->ua); return;
             }
@@ -582,7 +593,7 @@ static void rad_tick(void* arg) {
             break;
         case 9:
             if (now - t->call_started >= 5000) {
-                if (radio_invitation_timers(t->ua) || radio_call_busy(A) || radio_call_busy(B) || radio_call_busy(C)) {
+                if (radio_call_busy(A) || radio_call_busy(B) || radio_call_busy(C) || !check_radio_idle_timers(t)) {
                     DEBUG_ERROR(DEBUG_CATEGORY_RADIO, "test finished invitations retain timers or busy state");
                     t->result = 2; uasync_stop(t->ua); return;
                 }