diff --git a/MainModesArbiter_InitStage.c b/MainModesArbiter_InitStage.c
index 955d11a..85274b8 100644
--- a/MainModesArbiter_InitStage.c
+++ b/MainModesArbiter_InitStage.c
@@ -4,6 +4,7 @@
 
 #include "MainModesArbiter_Private.h"
 #include "FirmwareMetadataSection.h"
+#include "AtGsmTelitLe910_DefinePdpContext.h"
 
 #define LOG_SIGN "Главн. Вкл"
 #define LOGGER &env->slog.logger
@@ -475,12 +476,39 @@ void Mma_InitStage(tMma *env) {
     while (!GsmWithGnssWaitStartup(&env->gsmWithGnss)) {
         Mma_SetMode(env, DEVICE_MODE_ERROR_GSM);
     }
+
     Gsm_WaitGsmBoot(&env->gsmWithGnss);
-    Mma_SetMode(env, DEVICE_MODE_UVEOS_ERA_GNSS_READY);
+
+    if (osMutexAcquire(env->gsmWithGnss.gsmAt.access, 5000) == osOK) {
+        AtGsmTelitLe910_SimProfileSelect(&env->gsmWithGnss.gsmAt,
+                                         &env->storage.nvm.deviceTeledataStorageData.telematica.EGTS_PROFILE_SIM_ERA);
+        osMutexRelease(env->gsmWithGnss.gsmAt.access);
+    } else {
+        LoggerInfoStatic(LOGGER, LOG_SIGN, "Ошибка доступа AtGsmTelitLe910_SimProfileSelect")
+    }
+
+    if (osMutexAcquire(env->gsmWithGnss.gsmAt.access, 5000) == osOK) {
+        AtGsmTelitLe910_SIMCardNoDetect(&env->gsmWithGnss.gsmAt);
+        AtGsmTelitLe910_SIMCardDetect(&env->gsmWithGnss.gsmAt);
+        osMutexRelease(env->gsmWithGnss.gsmAt.access);
+    } else {
+        LoggerInfoStatic(LOGGER, LOG_SIGN, "Ошибка доступа AtGsmTelitLe910_SIMCardNoDetect AtGsmTelitLe910_SIMCardDetect")
+    }
+
+    if (osMutexAcquire(env->gsmWithGnss.gsmAt.access, 5000) == osOK) {
+        Mma_EcallPrepare(env);
+        osMutexRelease(env->gsmWithGnss.gsmAt.access);
+    } else {
+        LoggerInfoStatic(LOGGER, LOG_SIGN, "Ошибка доступа AtGsmTelitLe910_SimProfileSelect")
+    }
 
     Mma_GetCCID(env);
     Mma_GetCGSN(env);
 
+    SystemDelayMs(200);
+
+    Mma_SetMode(env, DEVICE_MODE_UVEOS_ERA_GNSS_READY);
+
     LoggerInfoStatic(LOGGER, LOG_SIGN, "Инициализируем звуковую подсистему(кодек,усилитель)")
     Mma_StartupAudioSubsystem(env);
 
diff --git a/MainModesArbiter_Private.h b/MainModesArbiter_Private.h
index 2d2d12f..480b08c 100644
--- a/MainModesArbiter_Private.h
+++ b/MainModesArbiter_Private.h
@@ -10,6 +10,8 @@
 
 #define Mma_SetMode(ENV, VALUE) UserIndication_SetMode(&((ENV)->indication),(VALUE))
 
+void Mma_EcallPrepare(tMma *env);
+
 void Mma_ColorBip(tMma *env);
 
 void Mma_FatalErrorOnInit(tMma *env, bool noinit, eDeviceModes errState);