diff --git a/src/com/android/dialer/CallDetailActivity.java b/src/com/android/dialer/CallDetailActivity.java
index 42bee1e..94c2f00 100644
--- a/src/com/android/dialer/CallDetailActivity.java
+++ b/src/com/android/dialer/CallDetailActivity.java
@@ -142,10 +142,23 @@
                 }
             }
 
-            String accountLabel =
-                    PhoneAccountUtils.getAccountLabel(mContext, mDetails.accountHandle);
+            CharSequence accountLabel = PhoneAccountUtils.getAccountLabel(mContext,
+                    mDetails.accountHandle);
+            CharSequence accountContentDescription =
+                    PhoneCallDetails.createAccountLabelDescription(mResources, mDetails.viaNumber,
+                            accountLabel);
+            if (!TextUtils.isEmpty(mDetails.viaNumber)) {
+                if (!TextUtils.isEmpty(accountLabel)) {
+                    accountLabel = mResources.getString(R.string.call_log_via_number_phone_account,
+                            accountLabel, mDetails.viaNumber);
+                } else {
+                    accountLabel = mResources.getString(R.string.call_log_via_number,
+                            mDetails.viaNumber);
+                }
+            }
             if (!TextUtils.isEmpty(accountLabel)) {
                 mAccountLabel.setText(accountLabel);
+                mAccountLabel.setContentDescription(accountContentDescription);
                 mAccountLabel.setVisibility(View.VISIBLE);
             } else {
                 mAccountLabel.setVisibility(View.GONE);
diff --git a/src/com/android/dialer/PhoneCallDetails.java b/src/com/android/dialer/PhoneCallDetails.java
index b332b43..17f1c2b 100644
--- a/src/com/android/dialer/PhoneCallDetails.java
+++ b/src/com/android/dialer/PhoneCallDetails.java
@@ -18,11 +18,14 @@
 
 import com.android.contacts.common.ContactsUtils.UserType;
 import com.android.contacts.common.preference.ContactsPreferences;
+import com.android.contacts.common.util.ContactDisplayUtils;
 import com.android.dialer.calllog.PhoneNumberDisplayUtil;
 
 import android.content.Context;
+import android.content.res.Resources;
 import android.net.Uri;
 import android.provider.CallLog.Calls;
+import android.support.annotation.Nullable;
 import android.telecom.PhoneAccountHandle;
 import android.text.TextUtils;
 
@@ -34,6 +37,8 @@
     public CharSequence number;
     // Post-dial digits associated with the outgoing call.
     public String postDialDigits;
+    // The secondary line number the call was received via.
+    public String viaNumber;
     // The number presenting rules set by the network, e.g., {@link Calls#PRESENTATION_ALLOWED}
     public int numberPresentation;
     // The formatted version of {@link #number}.
@@ -149,4 +154,31 @@
         }
         return nameAlternative;
     }
+
+    /**
+     * Construct the "on {accountLabel} via {viaNumber}" accessibility description for the account
+     * list item, depending on the existence of the accountLabel and viaNumber.
+     * @param viaNumber The number that this call is being placed via.
+     * @param accountLabel The {@link PhoneAccount} label that this call is being placed with.
+     * @return The description of the account that this call has been placed on.
+     */
+    public static CharSequence createAccountLabelDescription(Resources resources,
+            @Nullable String viaNumber, @Nullable CharSequence accountLabel) {
+
+        if((!TextUtils.isEmpty(viaNumber)) && !TextUtils.isEmpty(accountLabel)) {
+            String msg = resources.getString(R.string.description_via_number_phone_account,
+                    accountLabel, viaNumber);
+            CharSequence accountNumberLabel = ContactDisplayUtils.getTelephoneTtsSpannable(msg,
+                    viaNumber);
+            return (accountNumberLabel == null) ? msg : accountNumberLabel;
+        } else if (!TextUtils.isEmpty(viaNumber)) {
+            CharSequence viaNumberLabel = ContactDisplayUtils.getTtsSpannedPhoneNumber(resources,
+                    R.string.description_via_number, viaNumber);
+            return (viaNumberLabel == null) ? viaNumber : viaNumberLabel;
+        } else if (!TextUtils.isEmpty(accountLabel)) {
+            return TextUtils.expandTemplate(
+                    resources.getString(R.string.description_phone_account), accountLabel);
+        }
+        return "";
+    }
 }
diff --git a/src/com/android/dialer/calllog/CallLogAdapter.java b/src/com/android/dialer/calllog/CallLogAdapter.java
index 165594e..3958611 100644
--- a/src/com/android/dialer/calllog/CallLogAdapter.java
+++ b/src/com/android/dialer/calllog/CallLogAdapter.java
@@ -490,15 +490,17 @@
         int count = getGroupSize(position);
 
         final String number = c.getString(CallLogQuery.NUMBER);
+        final String countryIso = c.getString(CallLogQuery.COUNTRY_ISO);
         final String postDialDigits = CompatUtils.isNCompatible()
                 && mActivityType != ACTIVITY_TYPE_ARCHIVE ?
                 c.getString(CallLogQuery.POST_DIAL_DIGITS) : "";
-
+        final String viaNumber = CompatUtils.isNCompatible()
+                && mActivityType != ACTIVITY_TYPE_ARCHIVE ?
+                c.getString(CallLogQuery.VIA_NUMBER) : "";
         final int numberPresentation = c.getInt(CallLogQuery.NUMBER_PRESENTATION);
         final PhoneAccountHandle accountHandle = PhoneAccountUtils.getAccount(
                 c.getString(CallLogQuery.ACCOUNT_COMPONENT_NAME),
                 c.getString(CallLogQuery.ACCOUNT_ID));
-        final String countryIso = c.getString(CallLogQuery.COUNTRY_ISO);
         final ContactInfo cachedContactInfo = ContactInfoHelper.getContactInfo(c);
         final boolean isVoicemailNumber =
                 mCallLogCache.isVoicemailNumber(accountHandle, number);
@@ -518,6 +520,7 @@
         final PhoneCallDetails details = new PhoneCallDetails(
                 mContext, number, numberPresentation, formattedNumber,
                 postDialDigits, isVoicemailNumber);
+        details.viaNumber = viaNumber;
         details.accountHandle = accountHandle;
         details.countryIso = countryIso;
         details.date = c.getLong(CallLogQuery.DATE);
diff --git a/src/com/android/dialer/calllog/CallLogAsyncTaskUtil.java b/src/com/android/dialer/calllog/CallLogAsyncTaskUtil.java
index 7cb35f5..34b2f0e 100644
--- a/src/com/android/dialer/calllog/CallLogAsyncTaskUtil.java
+++ b/src/com/android/dialer/calllog/CallLogAsyncTaskUtil.java
@@ -28,6 +28,7 @@
 import android.provider.CallLog;
 import android.provider.VoicemailContract.Voicemails;
 import android.telecom.PhoneAccountHandle;
+import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 import android.util.Log;
 
@@ -44,6 +45,7 @@
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Locale;
 
 public class CallLogAsyncTaskUtil {
     private static String TAG = CallLogAsyncTaskUtil.class.getSimpleName();
@@ -90,12 +92,14 @@
         static final int DATA_USAGE = 10;
         static final int TRANSCRIPTION_COLUMN_INDEX = 11;
         static final int POST_DIAL_DIGITS = 12;
+        static final int VIA_NUMBER = 13;
 
         static {
             ArrayList<String> projectionList = new ArrayList<>();
             projectionList.addAll(Arrays.asList(CALL_LOG_PROJECTION_INTERNAL));
             if (CompatUtils.isNCompatible()) {
                 projectionList.add(CallsSdkCompat.POST_DIAL_DIGITS);
+                projectionList.add(CallsSdkCompat.VIA_NUMBER);
             }
             projectionList.trimToSize();
             CALL_LOG_PROJECTION = projectionList.toArray(new String[projectionList.size()]);
@@ -187,6 +191,8 @@
             final String number = cursor.getString(CallDetailQuery.NUMBER_COLUMN_INDEX);
             final String postDialDigits = CompatUtils.isNCompatible()
                     ? cursor.getString(CallDetailQuery.POST_DIAL_DIGITS) : "";
+            final String viaNumber = CompatUtils.isNCompatible() ?
+                    cursor.getString(CallDetailQuery.VIA_NUMBER) : "";
             final int numberPresentation =
                     cursor.getInt(CallDetailQuery.NUMBER_PRESENTATION_COLUMN_INDEX);
 
@@ -211,6 +217,7 @@
                     context, number, numberPresentation, info.formattedNumber,
                     postDialDigits, isVoicemail);
 
+            details.viaNumber = viaNumber;
             details.accountHandle = accountHandle;
             details.contactUri = info.lookupUri;
             details.namePrimary = info.name;
diff --git a/src/com/android/dialer/calllog/CallLogGroupBuilder.java b/src/com/android/dialer/calllog/CallLogGroupBuilder.java
index 0931e06..aa45029 100644
--- a/src/com/android/dialer/calllog/CallLogGroupBuilder.java
+++ b/src/com/android/dialer/calllog/CallLogGroupBuilder.java
@@ -125,6 +125,8 @@
         String groupNumber = cursor.getString(CallLogQuery.NUMBER);
         String groupPostDialDigits = CompatUtils.isNCompatible()
                 ? cursor.getString(CallLogQuery.POST_DIAL_DIGITS) : "";
+        String groupViaNumbers = CompatUtils.isNCompatible()
+                ? cursor.getString(CallLogQuery.VIA_NUMBER) : "";
         int groupCallType = cursor.getInt(CallLogQuery.CALL_TYPE);
         String groupAccountComponentName = cursor.getString(CallLogQuery.ACCOUNT_COMPONENT_NAME);
         String groupAccountId = cursor.getString(CallLogQuery.ACCOUNT_ID);
@@ -132,6 +134,7 @@
 
         String number;
         String numberPostDialDigits;
+        String numberViaNumbers;
         int callType;
         String accountComponentName;
         String accountId;
@@ -141,18 +144,21 @@
             number = cursor.getString(CallLogQuery.NUMBER);
             numberPostDialDigits = CompatUtils.isNCompatible()
                     ? cursor.getString(CallLogQuery.POST_DIAL_DIGITS) : "";
+            numberViaNumbers = CompatUtils.isNCompatible()
+                    ? cursor.getString(CallLogQuery.VIA_NUMBER) : "";
             callType = cursor.getInt(CallLogQuery.CALL_TYPE);
             accountComponentName = cursor.getString(CallLogQuery.ACCOUNT_COMPONENT_NAME);
             accountId = cursor.getString(CallLogQuery.ACCOUNT_ID);
 
             final boolean isSameNumber = equalNumbers(groupNumber, number);
             final boolean isSamePostDialDigits = groupPostDialDigits.equals(numberPostDialDigits);
+            final boolean isSameViaNumbers = groupViaNumbers.equals(numberViaNumbers);
             final boolean isSameAccount = isSameAccount(
                     groupAccountComponentName, accountComponentName, groupAccountId, accountId);
 
             // Group with the same number and account. Never group voicemails. Only group blocked
             // calls with other blocked calls.
-            if (isSameNumber && isSameAccount && isSamePostDialDigits
+            if (isSameNumber && isSameAccount && isSamePostDialDigits && isSameViaNumbers
                     && areBothNotVoicemail(callType, groupCallType)
                     && (areBothNotBlocked(callType, groupCallType)
                             || areBothBlocked(callType, groupCallType))) {
@@ -174,6 +180,7 @@
                 // Update the group values to those of the current call.
                 groupNumber = number;
                 groupPostDialDigits = numberPostDialDigits;
+                groupViaNumbers = numberViaNumbers;
                 groupCallType = callType;
                 groupAccountComponentName = accountComponentName;
                 groupAccountId = accountId;
diff --git a/src/com/android/dialer/calllog/CallLogListItemHelper.java b/src/com/android/dialer/calllog/CallLogListItemHelper.java
index 5d2bc85..07e2bb4 100644
--- a/src/com/android/dialer/calllog/CallLogListItemHelper.java
+++ b/src/com/android/dialer/calllog/CallLogListItemHelper.java
@@ -188,20 +188,15 @@
             callDescription.append(mResources.getString(R.string.description_video_call));
         }
 
-        int stringID = getCallDescriptionStringID(details.callTypes, details.isRead);
         String accountLabel = mCallLogCache.getAccountLabel(details.accountHandle);
+        CharSequence onAccountLabel = PhoneCallDetails.createAccountLabelDescription(mResources,
+                details.viaNumber, accountLabel);
 
-        // Use chosen string resource to build up the message.
-        CharSequence onAccountLabel = accountLabel == null
-                ? ""
-                : TextUtils.expandTemplate(
-                        mResources.getString(R.string.description_phone_account),
-                        accountLabel);
+        int stringID = getCallDescriptionStringID(details.callTypes, details.isRead);
         callDescription.append(
                 TextUtils.expandTemplate(
                         mResources.getString(stringID),
                         nameOrNumber,
-                        // If no type or location can be determined, sub in empty string.
                         typeOrLocation == null ? "" : typeOrLocation,
                         timeOfCall,
                         onAccountLabel));
diff --git a/src/com/android/dialer/calllog/CallLogQuery.java b/src/com/android/dialer/calllog/CallLogQuery.java
index 4900354..e1a4119 100644
--- a/src/com/android/dialer/calllog/CallLogQuery.java
+++ b/src/com/android/dialer/calllog/CallLogQuery.java
@@ -93,6 +93,7 @@
      * Call {@link CompatUtils#isNCompatible()} prior to use
      */
     public static int POST_DIAL_DIGITS = -1;
+    public static int VIA_NUMBER = -1;
 
     public static final String[] _PROJECTION;
 
@@ -105,6 +106,8 @@
         if (CompatUtils.isNCompatible()) {
             projectionList.add(CallsSdkCompat.POST_DIAL_DIGITS);
             POST_DIAL_DIGITS = projectionList.size() - 1;
+            projectionList.add(CallsSdkCompat.VIA_NUMBER);
+            VIA_NUMBER = projectionList.size() - 1;
         }
         _PROJECTION = projectionList.toArray(new String[projectionList.size()]);
     }
diff --git a/src/com/android/dialer/calllog/PhoneCallDetailsHelper.java b/src/com/android/dialer/calllog/PhoneCallDetailsHelper.java
index 7b149e2..4f1c455 100644
--- a/src/com/android/dialer/calllog/PhoneCallDetailsHelper.java
+++ b/src/com/android/dialer/calllog/PhoneCallDetailsHelper.java
@@ -116,8 +116,16 @@
 
         // Set the account label if it exists.
         String accountLabel = mCallLogCache.getAccountLabel(details.accountHandle);
-
-        if (accountLabel != null) {
+        if (!TextUtils.isEmpty(details.viaNumber)) {
+            if (!TextUtils.isEmpty(accountLabel)) {
+                accountLabel = mResources.getString(R.string.call_log_via_number_phone_account,
+                        accountLabel, details.viaNumber);
+            } else {
+                accountLabel = mResources.getString(R.string.call_log_via_number,
+                        details.viaNumber);
+            }
+        }
+        if (!TextUtils.isEmpty(accountLabel)) {
             views.callAccountLabel.setVisibility(View.VISIBLE);
             views.callAccountLabel.setText(accountLabel);
             int color = mCallLogCache.getAccountColor(details.accountHandle);