diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index f4ca1cf..552e33d 100644
--- a/radio/1.2/Android.bp
+++ b/radio/1.2/Android.bp
@@ -19,6 +19,8 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "AudioQuality",
+        "Call",
         "CardStatus",
         "CellConnectionStatus",
         "CellIdentityCdma",
diff --git a/radio/1.2/IRadioResponse.hal b/radio/1.2/IRadioResponse.hal
index c356954..93ec4d7 100644
--- a/radio/1.2/IRadioResponse.hal
+++ b/radio/1.2/IRadioResponse.hal
@@ -72,4 +72,20 @@
      *   RadioError:INTERNAL_ERR
      */
     oneway setLinkCapacityReportingCriteriaResponse(RadioResponseInfo info);
+
+    /**
+     * @param calls Current call list
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:NO_MEMORY
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:NO_RESOURCES
+     *   RadioError:CANCELLED
+     */
+    oneway getCurrentCallsResponse_1_2(RadioResponseInfo info, vec<Call> calls);
 };
diff --git a/radio/1.2/types.hal b/radio/1.2/types.hal
index f2f0b69..c353645 100644
--- a/radio/1.2/types.hal
+++ b/radio/1.2/types.hal
@@ -16,6 +16,7 @@
 
 package android.hardware.radio@1.2;
 
+import @1.0::Call;
 import @1.0::CdmaSignalStrength;
 import @1.0::CardState;
 import @1.0::CardStatus;
@@ -125,6 +126,33 @@
     PHYSICAL_CHANNEL_CONFIG = 1 << 4,
 };
 
+/**
+ * Audio codec which is used on GSM, UMTS, and CDMA. These values must be opaque
+ * to the Android framework. Only for display.
+ */
+enum AudioQuality : int32_t {
+    /** Unspecified audio codec */
+    UNSPECIFIED,
+    /** AMR (Narrowband) audio codec */
+    AMR,
+    /** AMR (Wideband) audio codec */
+    AMR_WB,
+    /** GSM Enhanced Full-Rate audio codec */
+    GSM_EFR,
+    /** GSM Full-Rate audio codec */
+    GSM_FR,
+    /** GSM Half-Rate audio codec */
+    GSM_HR,
+    /** Enhanced Variable rate codec */
+    EVRC,
+    /** Enhanced Variable rate codec revision B */
+    EVRC_B,
+    /** Enhanced Variable rate codec (Wideband) */
+    EVRC_WB,
+    /** Enhanced Variable rate codec (Narrowband) */
+    EVRC_NW,
+};
+
 struct NetworkScanRequest {
     ScanType type;
 
@@ -364,3 +392,8 @@
      */
     HANDOVER  = 0x03,
 };
+
+struct Call {
+    @1.0::Call base;
+    AudioQuality audioQuality;
+};