diff --git a/packages/client/src/Call.ts b/packages/client/src/Call.ts
index cf9e207893..7b51a12680 100644
--- a/packages/client/src/Call.ts
+++ b/packages/client/src/Call.ts
@@ -516,20 +516,15 @@ export class Call {
         await waitUntilCallJoined();
       }
 
-      if (reject && this.ringing) {
-        // I'm the one who started the call, so I should cancel it.
-        const hasOtherParticipants = this.state.remoteParticipants.length > 0;
-        if (
-          this.isCreatedByMe &&
-          !hasOtherParticipants &&
-          callingState === CallingState.RINGING
-        ) {
-          // Signals other users that I have cancelled my call to them
-          // before they accepted it.
-          await this.reject();
-        } else if (callingState === CallingState.RINGING) {
-          // Signals other users that I have rejected the incoming call.
-          await this.reject();
+      if (callingState === CallingState.RINGING) {
+        if (reject) {
+          await this.reject(reason);
+        } else {
+          const hasOtherParticipants = this.state.remoteParticipants.length > 0;
+          if (this.isCreatedByMe && !hasOtherParticipants) {
+            // I'm the one who started the call, so I should cancel it when there are no other participants.
+            await this.reject('cancel');
+          }
         }
       }
 
@@ -1960,13 +1955,16 @@ export class Call {
         // ignore if the call is not ringing
         if (this.state.callingState !== CallingState.RINGING) return;
 
-        const timeoutInMs = settings.ring.auto_cancel_timeout_ms;
+        const timeoutInMs = this.isCreatedByMe
+          ? settings.ring.auto_cancel_timeout_ms
+          : settings.ring.incoming_call_timeout_ms;
+
         // 0 means no auto-drop
         if (timeoutInMs <= 0) return;
 
         clearTimeout(this.dropTimeout);
         this.dropTimeout = setTimeout(() => {
-          this.leave({ reason: 'ring: timeout' }).catch((err) => {
+          this.leave({ reject: true, reason: 'timeout' }).catch((err) => {
             this.logger('error', 'Failed to drop call', err);
           });
         }, timeoutInMs);
diff --git a/packages/react-native-sdk/src/components/Call/CallControls/IncomingCallControls.tsx b/packages/react-native-sdk/src/components/Call/CallControls/IncomingCallControls.tsx
index 57b74fe60b..bc376ff57c 100644
--- a/packages/react-native-sdk/src/components/Call/CallControls/IncomingCallControls.tsx
+++ b/packages/react-native-sdk/src/components/Call/CallControls/IncomingCallControls.tsx
@@ -28,7 +28,10 @@ export const IncomingCallControls = ({
   } = useTheme();
   return (
     <View style={[styles.buttonGroup, incomingCall.buttonGroup]}>
-      <RejectCallButton onPressHandler={onRejectCallHandler} />
+      <RejectCallButton
+        onPressHandler={onRejectCallHandler}
+        rejectReason="decline"
+      />
       <ToggleVideoPreviewButton />
       <AcceptCallButton onPressHandler={onAcceptCallHandler} />
     </View>
diff --git a/packages/react-native-sdk/src/components/Call/CallControls/OutgoingCallControls.tsx b/packages/react-native-sdk/src/components/Call/CallControls/OutgoingCallControls.tsx
index 6651c517af..31e9638b41 100644
--- a/packages/react-native-sdk/src/components/Call/CallControls/OutgoingCallControls.tsx
+++ b/packages/react-native-sdk/src/components/Call/CallControls/OutgoingCallControls.tsx
@@ -1,9 +1,9 @@
 import React from 'react';
 import { StyleSheet, View } from 'react-native';
 import { useTheme } from '../../../contexts';
-import { HangUpCallButton } from './HangupCallButton';
 import { ToggleAudioPreviewButton } from './ToggleAudioPreviewButton';
 import { ToggleVideoPreviewButton } from './ToggleVideoPreviewButton';
+import { RejectCallButton } from './RejectCallButton';
 
 /**
  * Props for the OutgoingCallControls Component.
@@ -32,9 +32,10 @@ export const OutgoingCallControls = ({
         <ToggleAudioPreviewButton />
         <ToggleVideoPreviewButton />
       </View>
-      <HangUpCallButton
+      <RejectCallButton
         onPressHandler={onHangupCallHandler}
         size={buttonSizes.md}
+        rejectReason="cancel"
       />
     </View>
   );
diff --git a/packages/react-native-sdk/src/components/Call/CallControls/RejectCallButton.tsx b/packages/react-native-sdk/src/components/Call/CallControls/RejectCallButton.tsx
index f97c930146..5679674efc 100644
--- a/packages/react-native-sdk/src/components/Call/CallControls/RejectCallButton.tsx
+++ b/packages/react-native-sdk/src/components/Call/CallControls/RejectCallButton.tsx
@@ -20,16 +20,32 @@ type RejectCallButtonProps = {
    * Note: If the `onPressHandler` is passed this handler will not be executed.
    */
   onRejectCallHandler?: () => void;
+  /**
+   * Sets the height, width and border-radius (half the value) of the button.
+   */
+  size?: React.ComponentProps<typeof CallControlsButton>['size'];
+  /**
+   * Optional: Reason for rejecting the call.
+   * Pass a predefined or a custom reason.
+   * There are four predefined reasons for rejecting the call: 
+    - `busy` - when the callee is busy and cannot accept the call.
+    - `decline` - when the callee intentionally declines the call.
+    - `cancel` - when the caller cancels the call.
+    - `timeout` - when the **caller** or **callee** rejects the call after `auto_cancel_timeout_ms` or `incoming_call_timeout_ms` accordingly.
+   */
+  rejectReason?: string;
 };
 
 /**
  * Button to reject a call.
  *
- * Mostly calls call.leave({ reject: true }) internally.
+ * Calls call.leave({ reject: true, reason: `OPTIONAL-REASON` }) internally.
  */
 export const RejectCallButton = ({
   onPressHandler,
   onRejectCallHandler,
+  size,
+  rejectReason,
 }: RejectCallButtonProps) => {
   const call = useCall();
   const { useCallCallingState } = useCallStateHooks();
@@ -50,7 +66,7 @@ export const RejectCallButton = ({
       if (callingState === CallingState.LEFT) {
         return;
       }
-      await call?.leave({ reject: true });
+      await call?.leave({ reject: true, reason: rejectReason });
       if (onRejectCallHandler) {
         onRejectCallHandler();
       }
@@ -64,7 +80,7 @@ export const RejectCallButton = ({
     <CallControlsButton
       onPress={rejectCallHandler}
       color={colors.error}
-      size={buttonSizes.lg}
+      size={size ?? buttonSizes.lg}
       // TODO: check what to do about this random style prop
       // svgContainerStyle={theme.icon.lg}
       style={rejectCallButton}
diff --git a/packages/react-native-sdk/src/utils/push/internal/utils.ts b/packages/react-native-sdk/src/utils/push/internal/utils.ts
index 39b782c105..18fd0aa251 100644
--- a/packages/react-native-sdk/src/utils/push/internal/utils.ts
+++ b/packages/react-native-sdk/src/utils/push/internal/utils.ts
@@ -112,7 +112,7 @@ export const processCallFromPush = async (
       }
       await callFromPush.join();
     } else if (action === 'decline') {
-      await callFromPush.leave({ reject: true });
+      await callFromPush.leave({ reject: true, reason: 'decline' });
     }
   } catch (e) {
     const logger = getLogger(['processCallFromPush']);