diff --git a/telephony/java/android/telephony/satellite/SatelliteManager.java b/telephony/java/android/telephony/satellite/SatelliteManager.java
index 2c141cf..4a61114 100644
--- a/telephony/java/android/telephony/satellite/SatelliteManager.java
+++ b/telephony/java/android/telephony/satellite/SatelliteManager.java
@@ -502,7 +502,6 @@
      * @param resultListener Listener for the {@link SatelliteResult} result of the operation.
      *
      * @throws SecurityException if the caller doesn't have required permission.
-     * @throws IllegalStateException if the Telephony process is not currently available.
      */
     @RequiresPermission(Manifest.permission.SATELLITE_COMMUNICATION)
     @FlaggedApi(Flags.FLAG_OEM_ENABLED_SATELLITE_FLAG)
@@ -526,11 +525,14 @@
                 telephony.requestSatelliteEnabled(mSubId, attributes.isEnabled(),
                         attributes.isDemoMode(), attributes.isEmergencyMode(), errorCallback);
             } else {
-                throw new IllegalStateException("telephony service is null.");
+                Rlog.e(TAG, "requestEnabled() invalid telephony");
+                executor.execute(() -> Binder.withCleanCallingIdentity(
+                        () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
-            Rlog.e(TAG, "requestSatelliteEnabled() RemoteException: ", ex);
-            ex.rethrowAsRuntimeException();
+            Rlog.e(TAG, "requestEnabled() exception: ", ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -580,12 +582,14 @@
                 };
                 telephony.requestIsSatelliteEnabled(mSubId, receiver);
             } else {
+                loge("requestIsEnabled() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
-            loge("requestIsSatelliteEnabled() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            loge("requestIsEnabled() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -635,12 +639,14 @@
                 };
                 telephony.requestIsDemoModeEnabled(mSubId, receiver);
             } else {
+                loge("requestIsDemoModeEnabled() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
             loge("requestIsDemoModeEnabled() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -747,12 +753,14 @@
                 };
                 telephony.requestIsSatelliteSupported(mSubId, receiver);
             } else {
+                loge("requestIsSupported() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
-            loge("requestIsSatelliteSupported() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            loge("requestIsSupported() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -802,12 +810,14 @@
                 };
                 telephony.requestSatelliteCapabilities(mSubId, receiver);
             } else {
+                loge("requestCapabilities() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
-            loge("requestSatelliteCapabilities() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            loge("requestCapabilities() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -1083,12 +1093,14 @@
                 telephony.startSatelliteTransmissionUpdates(mSubId, errorCallback,
                         internalCallback);
             } else {
+                loge("startTransmissionUpdates() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
-            loge("startSatelliteTransmissionUpdates() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            loge("startTransmissionUpdates() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -1138,12 +1150,14 @@
                             () -> resultListener.accept(SATELLITE_RESULT_INVALID_ARGUMENTS)));
                 }
             } else {
+                loge("stopTransmissionUpdates() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
-            loge("stopSatelliteTransmissionUpdates() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            loge("stopTransmissionUpdates() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -1161,7 +1175,6 @@
      * @param resultListener Listener for the {@link SatelliteResult} result of the operation.
      *
      * @throws SecurityException if the caller doesn't have required permission.
-     * @throws IllegalStateException if the Telephony process is not currently available.
      */
     @RequiresPermission(Manifest.permission.SATELLITE_COMMUNICATION)
     @FlaggedApi(Flags.FLAG_OEM_ENABLED_SATELLITE_FLAG)
@@ -1188,12 +1201,14 @@
                 cancelRemote = telephony.provisionSatelliteService(mSubId, token, provisionData,
                         errorCallback);
             } else {
+                loge("provisionService() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
-            loge("provisionSatelliteService() RemoteException=" + ex);
-            ex.rethrowAsRuntimeException();
+            loge("provisionService() RemoteException=" + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
         if (cancellationSignal != null) {
             cancellationSignal.setRemote(cancelRemote);
@@ -1237,12 +1252,14 @@
                 };
                 telephony.deprovisionSatelliteService(mSubId, token, errorCallback);
             } else {
+                loge("deprovisionService() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
-            loge("deprovisionSatelliteService() RemoteException=" + ex);
-            ex.rethrowAsRuntimeException();
+            loge("deprovisionService() RemoteException ex=" + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -1284,7 +1301,7 @@
                 throw new IllegalStateException("telephony service is null.");
             }
         } catch (RemoteException ex) {
-            loge("registerForSatelliteProvisionStateChanged() RemoteException: " + ex);
+            loge("registerForProvisionStateChanged() RemoteException: " + ex);
             ex.rethrowAsRuntimeException();
         }
         return SATELLITE_RESULT_REQUEST_FAILED;
@@ -1371,12 +1388,14 @@
                 };
                 telephony.requestIsSatelliteProvisioned(mSubId, receiver);
             } else {
+                loge("requestIsProvisioned() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
-            loge("requestIsSatelliteProvisioned() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            loge("requestIsProvisioned() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -1416,7 +1435,7 @@
                 throw new IllegalStateException("telephony service is null.");
             }
         } catch (RemoteException ex) {
-            loge("registerForSatelliteModemStateChanged() RemoteException:" + ex);
+            loge("registerForModemStateChanged() RemoteException:" + ex);
             ex.rethrowAsRuntimeException();
         }
         return SATELLITE_RESULT_REQUEST_FAILED;
@@ -1585,12 +1604,14 @@
                 };
                 telephony.pollPendingDatagrams(mSubId, internalCallback);
             } else {
+                loge("pollPendingDatagrams() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
             loge("pollPendingDatagrams() RemoteException:" + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -1642,12 +1663,14 @@
                 telephony.sendDatagram(mSubId, datagramType, datagram,
                         needFullScreenPointingUI, internalCallback);
             } else {
+                loge("sendDatagram() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
             loge("sendDatagram() RemoteException:" + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -1697,16 +1720,16 @@
                         }
                     }
                 };
-                telephony.requestIsCommunicationAllowedForCurrentLocation(mSubId,
-                        receiver);
+                telephony.requestIsCommunicationAllowedForCurrentLocation(mSubId, receiver);
             } else {
+                loge("requestIsCommunicationAllowedForCurrentLocation() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
-            loge("requestIsCommunicationAllowedForCurrentLocation() RemoteException: "
-                    + ex);
-            ex.rethrowAsRuntimeException();
+            loge("requestIsCommunicationAllowedForCurrentLocation() RemoteException: " + ex);
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -1757,12 +1780,14 @@
                 };
                 telephony.requestTimeForNextSatelliteVisibility(mSubId, receiver);
             } else {
+                loge("requestTimeForNextSatelliteVisibility() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
             loge("requestTimeForNextSatelliteVisibility() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -1789,7 +1814,7 @@
                 throw new IllegalStateException("telephony service is null.");
             }
         } catch (RemoteException ex) {
-            loge("informDeviceAlignedToSatellite() RemoteException:" + ex);
+            loge("setDeviceAlignedWithSatellite() RemoteException:" + ex);
             ex.rethrowAsRuntimeException();
         }
     }
@@ -1899,12 +1924,14 @@
                 };
                 telephony.addAttachRestrictionForCarrier(subId, reason, errorCallback);
             } else {
+                loge("addAttachRestrictionForCarrier() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
             loge("addAttachRestrictionForCarrier() RemoteException:" + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -1942,12 +1969,14 @@
                 };
                 telephony.removeAttachRestrictionForCarrier(subId, reason, errorCallback);
             } else {
+                loge("removeAttachRestrictionForCarrier() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(
                         () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
             }
         } catch (RemoteException ex) {
             loge("removeAttachRestrictionForCarrier() RemoteException:" + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(
+                    () -> resultListener.accept(SATELLITE_RESULT_ILLEGAL_STATE)));
         }
     }
 
@@ -2008,10 +2037,7 @@
      * The {@link NtnSignalStrength#NTN_SIGNAL_STRENGTH_NONE} will be returned if there is no
      * signal strength data available.
      * If the request is not successful, {@link OutcomeReceiver#onError(Throwable)} will return a
-     * {@link SatelliteException} with the {@link SatelliteResult}, or return a
-     * {@link IllegalStateException} if the Telephony process is not currently available or
-     * satellite is not supported, or return a {@link RuntimeException} when remote procedure call
-     * has failed.
+     * {@link SatelliteException} with the {@link SatelliteResult}.
      *
      * @throws SecurityException if the caller doesn't have required permission.
      */
@@ -2049,12 +2075,14 @@
                 };
                 telephony.requestNtnSignalStrength(mSubId, receiver);
             } else {
+                loge("requestNtnSignalStrength() invalid telephony");
                 executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
                         new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
             }
         } catch (RemoteException ex) {
             loge("requestNtnSignalStrength() RemoteException: " + ex);
-            ex.rethrowAsRuntimeException();
+            executor.execute(() -> Binder.withCleanCallingIdentity(() -> callback.onError(
+                    new SatelliteException(SATELLITE_RESULT_ILLEGAL_STATE))));
         }
     }
 
@@ -2256,14 +2284,11 @@
         return new ArrayList<>();
     }
 
-    private static ITelephony getITelephony() {
+    @Nullable private static ITelephony getITelephony() {
         ITelephony binder = ITelephony.Stub.asInterface(TelephonyFrameworkInitializer
                 .getTelephonyServiceManager()
                 .getTelephonyServiceRegisterer()
                 .get());
-        if (binder == null) {
-            throw new RuntimeException("Could not find Telephony Service.");
-        }
         return binder;
     }