Use Emergency PhoneAccount for MT ECM Call on no SIM

Use the correct Emergency PhoneAccount for a MT call on a phone with no
SIM that is in ECM. Also, reject incoming SIP calls that are received on
a disabled PhoneAccount instead of crashing the Phone process.

Bug: 27820226
Change-Id: Iab81df05ba9c4f94f08576baee47475d59760a13

1 files changed, 8 insertions, 1 deletions

diff --git a/sip/src/com/android/services/telephony/sip/SipBroadcastReceiver.java b/sip/src/com/android/services/telephony/sip/SipBroadcastReceiver.java
index ea7e6ea15..b49591741 100644
--- a/sip/src/com/android/services/telephony/sip/SipBroadcastReceiver.java
+++ b/sip/src/com/android/services/telephony/sip/SipBroadcastReceiver.java
@@ -22,6 +22,7 @@ import android.content.Intent;
 import android.net.sip.SipManager;
 import android.os.Bundle;
 import android.os.UserHandle;
+import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.telecom.TelecomManager;
 import android.util.Log;
@@ -83,7 +84,13 @@ public class SipBroadcastReceiver extends BroadcastReceiver {
         if (accountHandle != null) {
             Bundle extras = new Bundle();
             extras.putParcelable(SipUtil.EXTRA_INCOMING_CALL_INTENT, intent);
-            TelecomManager.from(context).addNewIncomingCall(accountHandle, extras);
+            TelecomManager tm = TelecomManager.from(context);
+            PhoneAccount phoneAccount = tm.getPhoneAccount(accountHandle);
+            if(phoneAccount != null && phoneAccount.isEnabled()) {
+                tm.addNewIncomingCall(accountHandle, extras);
+            } else {
+                log("takeCall, PhoneAccount is disabled. Not accepting incoming call...");
+            }
         }
     }