diff --git a/.gitignore b/.gitignore
index 2800de6e..1525bb4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,6 @@
 build/
 
 pubspec.lock
+
+example/ios/Podfile.lock
+example/pubspec.lock
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4648f013..dac34cc9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,16 @@
+## 2.0.1+1
+* Add Callback AVAudioSession for WebRTC setup
+* Fix issue no audio for using WebRTC
+
+## 2.0.1-dev.2
+* Add Action for onAccept
+
+## 2.0.1-dev.1
+* Add AVAudioSession Appdelegate(iOS)
+
+## 2.0.1-dev
+* Add AVAudioSession Appdelegate(iOS)
+
 ## 2.0.1
 
 * Fixed some bugs.
diff --git a/README.md b/README.md
index a2679a3e..68212124 100644
--- a/README.md
+++ b/README.md
@@ -334,14 +334,36 @@ A Flutter plugin to show incoming call in your Flutter app(Custom for Android/Ca
     @objc class AppDelegate: FlutterAppDelegate, PKPushRegistryDelegate, CallkitIncomingAppDelegate {
     ...
 
+    override func application(
+        _ application: UIApplication,
+        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+    ) -> Bool {
+        GeneratedPluginRegistrant.register(with: self)
+        
+        //Setup VOIP
+        let mainQueue = DispatchQueue.main
+        let voipRegistry: PKPushRegistry = PKPushRegistry(queue: mainQueue)
+        voipRegistry.delegate = self
+        voipRegistry.desiredPushTypes = [PKPushType.voIP]
+
+        //Use if using WebRTC
+        //RTCAudioSession.sharedInstance().useManualAudio = true
+        //RTCAudioSession.sharedInstance().isAudioEnabled = false
+        
+        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+    }
+
+
     // Func Call api for Accept
-    func onAccept(_ call: Call) {
+    func onAccept(_ call: Call, _ action: CXAnswerCallAction) {
         let json = ["action": "ACCEPT", "data": call.data.toJSON()] as [String: Any]
         print("LOG: onAccept")
         self.performRequest(parameters: json) { result in
             switch result {
             case .success(let data):
                 print("Received data: \(data)")
+                //Make sure call action.fulfill() when you are done(connected WebRTC - Start counting seconds)
+                //action.fulfill()
 
             case .failure(let error):
                 print("Error: \(error.localizedDescription)")
@@ -391,6 +413,18 @@ A Flutter plugin to show incoming call in your Flutter app(Custom for Android/Ca
             }
         }
     }
+
+    func didActivateAudioSession(_ audioSession: AVAudioSession) {
+        //Use if using WebRTC
+        //RTCAudioSession.sharedInstance().audioSessionDidActivate(audioSession)
+        //RTCAudioSession.sharedInstance().isAudioEnabled = true
+    }
+    
+    func didDeactivateAudioSession(_ audioSession: AVAudioSession) {
+        //Use if using WebRTC
+        //RTCAudioSession.sharedInstance().audioSessionDidDeactivate(audioSession)
+        //RTCAudioSession.sharedInstance().isAudioEnabled = false
+    }
     ...
 
     ``` 
diff --git a/example/.gitignore b/example/.gitignore
index 0fa6b675..1d04a78b 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -44,3 +44,6 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+pubspec.lock
+/ios/Podfile.lock
diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
deleted file mode 100644
index 256b356e..00000000
--- a/example/ios/Podfile.lock
+++ /dev/null
@@ -1,114 +0,0 @@
-PODS:
-  - CryptoSwift (1.8.0)
-  - Firebase/CoreOnly (10.7.0):
-    - FirebaseCore (= 10.7.0)
-  - Firebase/Messaging (10.7.0):
-    - Firebase/CoreOnly
-    - FirebaseMessaging (~> 10.7.0)
-  - firebase_core (2.12.0):
-    - Firebase/CoreOnly (= 10.7.0)
-    - Flutter
-  - firebase_messaging (14.6.0):
-    - Firebase/Messaging (= 10.7.0)
-    - firebase_core
-    - Flutter
-  - FirebaseCore (10.7.0):
-    - FirebaseCoreInternal (~> 10.0)
-    - GoogleUtilities/Environment (~> 7.8)
-    - GoogleUtilities/Logger (~> 7.8)
-  - FirebaseCoreInternal (10.19.0):
-    - "GoogleUtilities/NSData+zlib (~> 7.8)"
-  - FirebaseInstallations (10.19.0):
-    - FirebaseCore (~> 10.0)
-    - GoogleUtilities/Environment (~> 7.8)
-    - GoogleUtilities/UserDefaults (~> 7.8)
-    - PromisesObjC (~> 2.1)
-  - FirebaseMessaging (10.7.0):
-    - FirebaseCore (~> 10.0)
-    - FirebaseInstallations (~> 10.0)
-    - GoogleDataTransport (~> 9.2)
-    - GoogleUtilities/AppDelegateSwizzler (~> 7.8)
-    - GoogleUtilities/Environment (~> 7.8)
-    - GoogleUtilities/Reachability (~> 7.8)
-    - GoogleUtilities/UserDefaults (~> 7.8)
-    - nanopb (< 2.30910.0, >= 2.30908.0)
-  - Flutter (1.0.0)
-  - flutter_callkit_incoming (0.0.1):
-    - CryptoSwift
-    - Flutter
-  - GoogleDataTransport (9.3.0):
-    - GoogleUtilities/Environment (~> 7.7)
-    - nanopb (< 2.30910.0, >= 2.30908.0)
-    - PromisesObjC (< 3.0, >= 1.2)
-  - GoogleUtilities/AppDelegateSwizzler (7.12.0):
-    - GoogleUtilities/Environment
-    - GoogleUtilities/Logger
-    - GoogleUtilities/Network
-  - GoogleUtilities/Environment (7.12.0):
-    - PromisesObjC (< 3.0, >= 1.2)
-  - GoogleUtilities/Logger (7.12.0):
-    - GoogleUtilities/Environment
-  - GoogleUtilities/Network (7.12.0):
-    - GoogleUtilities/Logger
-    - "GoogleUtilities/NSData+zlib"
-    - GoogleUtilities/Reachability
-  - "GoogleUtilities/NSData+zlib (7.12.0)"
-  - GoogleUtilities/Reachability (7.12.0):
-    - GoogleUtilities/Logger
-  - GoogleUtilities/UserDefaults (7.12.0):
-    - GoogleUtilities/Logger
-  - nanopb (2.30909.1):
-    - nanopb/decode (= 2.30909.1)
-    - nanopb/encode (= 2.30909.1)
-  - nanopb/decode (2.30909.1)
-  - nanopb/encode (2.30909.1)
-  - PromisesObjC (2.3.1)
-
-DEPENDENCIES:
-  - firebase_core (from `.symlinks/plugins/firebase_core/ios`)
-  - firebase_messaging (from `.symlinks/plugins/firebase_messaging/ios`)
-  - Flutter (from `Flutter`)
-  - flutter_callkit_incoming (from `.symlinks/plugins/flutter_callkit_incoming/ios`)
-
-SPEC REPOS:
-  trunk:
-    - CryptoSwift
-    - Firebase
-    - FirebaseCore
-    - FirebaseCoreInternal
-    - FirebaseInstallations
-    - FirebaseMessaging
-    - GoogleDataTransport
-    - GoogleUtilities
-    - nanopb
-    - PromisesObjC
-
-EXTERNAL SOURCES:
-  firebase_core:
-    :path: ".symlinks/plugins/firebase_core/ios"
-  firebase_messaging:
-    :path: ".symlinks/plugins/firebase_messaging/ios"
-  Flutter:
-    :path: Flutter
-  flutter_callkit_incoming:
-    :path: ".symlinks/plugins/flutter_callkit_incoming/ios"
-
-SPEC CHECKSUMS:
-  CryptoSwift: 52aaf3fce7337552863b1d952e408085f0e65030
-  Firebase: 0219acf760880eeec8ce479895bd7767466d9f81
-  firebase_core: 312d0d81b346ec20540822c8498e626d6918ef48
-  firebase_messaging: 8432ce73100171cab1707fad998a89590276bb4d
-  FirebaseCore: e317665b9d744727a97e623edbbed009320afdd7
-  FirebaseCoreInternal: b444828ea7cfd594fca83046b95db98a2be4f290
-  FirebaseInstallations: 033d199474164db20c8350736842a94fe717b960
-  FirebaseMessaging: ac9062bcc35ed56e15a0241d8fd317022499baf8
-  Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
-  flutter_callkit_incoming: 417dd1b46541cdd5d855ad795ccbe97d1c18155e
-  GoogleDataTransport: 57c22343ab29bc686febbf7cbb13bad167c2d8fe
-  GoogleUtilities: 0759d1a57ebb953965c2dfe0ba4c82e95ccc2e34
-  nanopb: d4d75c12cd1316f4a64e3c6963f879ecd4b5e0d5
-  PromisesObjC: c50d2056b5253dadbd6c2bea79b0674bd5a52fa4
-
-PODFILE CHECKSUM: 505fe807fc9a2ba684f6436bd029b74c8430ab62
-
-COCOAPODS: 1.12.1
diff --git a/example/ios/Runner/AppDelegate.swift b/example/ios/Runner/AppDelegate.swift
index 1eb1a24e..5b1f6ab0 100644
--- a/example/ios/Runner/AppDelegate.swift
+++ b/example/ios/Runner/AppDelegate.swift
@@ -1,10 +1,14 @@
 import UIKit
+import CallKit
+import AVFAudio
 import PushKit
 import Flutter
 import flutter_callkit_incoming
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate, PKPushRegistryDelegate, CallkitIncomingAppDelegate {
+
+    
     override func application(
         _ application: UIApplication,
         didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
@@ -16,6 +20,10 @@ import flutter_callkit_incoming
         let voipRegistry: PKPushRegistry = PKPushRegistry(queue: mainQueue)
         voipRegistry.delegate = self
         voipRegistry.desiredPushTypes = [PKPushType.voIP]
+
+        //Use if using WebRTC
+        //RTCAudioSession.sharedInstance().useManualAudio = true
+        //RTCAudioSession.sharedInstance().isAudioEnabled = false
         
         return super.application(application, didFinishLaunchingWithOptions: launchOptions)
     }
@@ -82,13 +90,15 @@ import flutter_callkit_incoming
     
     
     // Func Call api for Accept
-    func onAccept(_ call: Call) {
+    func onAccept(_ call: Call, _ action: CXAnswerCallAction) {
         let json = ["action": "ACCEPT", "data": call.data.toJSON()] as [String: Any]
         print("LOG: onAccept")
         self.performRequest(parameters: json) { result in
             switch result {
             case .success(let data):
                 print("Received data: \(data)")
+                //Make sure call action.fulfill() when you are done(connected WebRTC - Start counting seconds)
+                //action.fulfill()
 
             case .failure(let error):
                 print("Error: \(error.localizedDescription)")
@@ -111,6 +121,7 @@ import flutter_callkit_incoming
         }
     }
     
+    // Func Call API for End
     func onEnd(_ call: Call) {
         let json = ["action": "END", "data": call.data.toJSON()] as [String: Any]
         print("LOG: onEnd")
@@ -125,6 +136,7 @@ import flutter_callkit_incoming
         }
     }
     
+    // Func Call API for TimeOut
     func onTimeOut(_ call: Call) {
         let json = ["action": "TIMEOUT", "data": call.data.toJSON()] as [String: Any]
         print("LOG: onTimeOut")
@@ -139,6 +151,20 @@ import flutter_callkit_incoming
         }
     }
     
+    // Func Callback Toggle Audio Session
+    func didActivateAudioSession(_ audioSession: AVAudioSession) {
+        //Use if using WebRTC
+        //RTCAudioSession.sharedInstance().audioSessionDidActivate(audioSession)
+        //RTCAudioSession.sharedInstance().isAudioEnabled = true
+    }
+    
+    // Func Callback Toggle Audio Session
+    func didDeactivateAudioSession(_ audioSession: AVAudioSession) {
+        //Use if using WebRTC
+        //RTCAudioSession.sharedInstance().audioSessionDidDeactivate(audioSession)
+        //RTCAudioSession.sharedInstance().isAudioEnabled = false
+    }
+    
     func performRequest(parameters: [String: Any], completion: @escaping (Result<Any, Error>) -> Void) {
         if let url = URL(string: "https://webhook.site/e32a591f-0d17-469d-a70d-33e9f9d60727") {
             var request = URLRequest(url: url)
diff --git a/example/pubspec.lock b/example/pubspec.lock
deleted file mode 100644
index c261ffd7..00000000
--- a/example/pubspec.lock
+++ /dev/null
@@ -1,297 +0,0 @@
-# Generated by pub
-# See https://dart.dev/tools/pub/glossary#lockfile
-packages:
-  _flutterfire_internals:
-    dependency: transitive
-    description:
-      name: _flutterfire_internals
-      sha256: d687576bb973e8d2539d0b4615d985336269a0dbe1b3984e937fd22d31406fb8
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.0"
-  async:
-    dependency: transitive
-    description:
-      name: async
-      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.11.0"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  characters:
-    dependency: transitive
-    description:
-      name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.0"
-  clock:
-    dependency: transitive
-    description:
-      name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.1"
-  collection:
-    dependency: transitive
-    description:
-      name: collection
-      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.17.2"
-  crypto:
-    dependency: transitive
-    description:
-      name: crypto
-      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.3"
-  fake_async:
-    dependency: transitive
-    description:
-      name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.1"
-  firebase_core:
-    dependency: "direct main"
-    description:
-      name: firebase_core
-      sha256: "4491238f4fddc885bc994e304a035eb8aba2c935816b2c0b31d87f3ec6e96682"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.12.0"
-  firebase_core_platform_interface:
-    dependency: transitive
-    description:
-      name: firebase_core_platform_interface
-      sha256: b63e3be6c96ef5c33bdec1aab23c91eb00696f6452f0519401d640938c94cba2
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.8.0"
-  firebase_core_web:
-    dependency: transitive
-    description:
-      name: firebase_core_web
-      sha256: "8c0f4c87d20e2d001a5915df238c1f9c88704231f591324205f5a5d2a7740a45"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.5.0"
-  firebase_messaging:
-    dependency: "direct main"
-    description:
-      name: firebase_messaging
-      sha256: "0b9f9c2bcfbb4f29b4b1ce2cbce7c17c2c7693f575cc87fcb7a073241845a42c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "14.6.0"
-  firebase_messaging_platform_interface:
-    dependency: transitive
-    description:
-      name: firebase_messaging_platform_interface
-      sha256: b86d6c8f665dc3fcbeae52b7ffb6f2a2dfa8544843468a6d9927b29a6ae2bd07
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.5.0"
-  firebase_messaging_web:
-    dependency: transitive
-    description:
-      name: firebase_messaging_web
-      sha256: "4e5e7e3ea9923f4cd32da828a4bd1a5c4a092161ff90f69f14dd34c5b8e05a81"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.5.0"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_callkit_incoming:
-    dependency: "direct main"
-    description:
-      path: ".."
-      relative: true
-    source: path
-    version: "2.0.0+2"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_web_plugins:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  http:
-    dependency: "direct main"
-    description:
-      name: http
-      sha256: "5895291c13fa8a3bd82e76d5627f69e0d85ca6a30dcac95c4ea19a5d555879c2"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.13.6"
-  http_parser:
-    dependency: transitive
-    description:
-      name: http_parser
-      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.0.2"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.6.7"
-  json_annotation:
-    dependency: transitive
-    description:
-      name: json_annotation
-      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.8.1"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.12.16"
-  material_color_utilities:
-    dependency: transitive
-    description:
-      name: material_color_utilities
-      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.5.0"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.9.1"
-  path:
-    dependency: transitive
-    description:
-      name: path
-      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.8.3"
-  plugin_platform_interface:
-    dependency: transitive
-    description:
-      name: plugin_platform_interface
-      sha256: "6a2128648c854906c53fa8e33986fc0247a1116122f9534dd20e3ab9e16a32bc"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.4"
-  sky_engine:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
-  source_span:
-    dependency: transitive
-    description:
-      name: source_span
-      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.10.0"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.11.0"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.1"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.1"
-  test_api:
-    dependency: transitive
-    description:
-      name: test_api
-      sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.6.0"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.3.2"
-  uuid:
-    dependency: "direct main"
-    description:
-      name: uuid
-      sha256: "648e103079f7c64a36dc7d39369cabb358d377078a051d6ae2ad3aa539519313"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.7"
-  vector_math:
-    dependency: transitive
-    description:
-      name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.4"
-  web:
-    dependency: transitive
-    description:
-      name: web
-      sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.1.4-beta"
-sdks:
-  dart: ">=3.1.0-185.0.dev <4.0.0"
-  flutter: ">=3.3.0"
diff --git a/ios/Classes/CallkitIncomingAppDelegate.swift b/ios/Classes/CallkitIncomingAppDelegate.swift
index c9aa5a86..0d0f3cd2 100644
--- a/ios/Classes/CallkitIncomingAppDelegate.swift
+++ b/ios/Classes/CallkitIncomingAppDelegate.swift
@@ -6,16 +6,22 @@
 //
 
 import Foundation
+import AVFAudio
+import CallKit
 
 
 public protocol CallkitIncomingAppDelegate : NSObjectProtocol {
     
-    func onAccept(_ call: Call);
+    func onAccept(_ call: Call, _ action: CXAnswerCallAction);
     
     func onDecline(_ call: Call);
     
     func onEnd(_ call: Call);
     
     func onTimeOut(_ call: Call);
+
+    func didActivateAudioSession(_ audioSession: AVAudioSession)
+    
+    func didDeactivateAudioSession(_ audioSession: AVAudioSession)
     
 }
diff --git a/ios/Classes/SwiftFlutterCallkitIncomingPlugin.swift b/ios/Classes/SwiftFlutterCallkitIncomingPlugin.swift
index 97b3860c..b3453afa 100644
--- a/ios/Classes/SwiftFlutterCallkitIncomingPlugin.swift
+++ b/ios/Classes/SwiftFlutterCallkitIncomingPlugin.swift
@@ -442,6 +442,7 @@ public class SwiftFlutterCallkitIncomingPlugin: NSObject, FlutterPlugin, CXProvi
                     .duckOthers,
                     .allowBluetooth,
                 ])
+                
                 try session.setMode(self.getAudioSessionMode(data?.audioSessionMode))
                 try session.setActive(data?.audioSessionActive ?? true)
                 try session.setPreferredSampleRate(data?.audioSessionPreferredSampleRate ?? 44100.0)
@@ -527,9 +528,12 @@ public class SwiftFlutterCallkitIncomingPlugin: NSObject, FlutterPlugin, CXProvi
         self.answerCall = call
         sendEvent(SwiftFlutterCallkitIncomingPlugin.ACTION_CALL_ACCEPT, self.data?.toJSON())
         if let appDelegate = UIApplication.shared.delegate as? CallkitIncomingAppDelegate {
-            appDelegate.onAccept(call)
+            appDelegate.onAccept(call, action)
+        }else {
+            DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(2000)) {
+                action.fulfill()
+            }
         }
-        action.fulfill()
     }
     
     
@@ -615,6 +619,11 @@ public class SwiftFlutterCallkitIncomingPlugin: NSObject, FlutterPlugin, CXProvi
     }
     
     public func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) {
+
+        if let appDelegate = UIApplication.shared.delegate as? CallkitIncomingAppDelegate {
+            appDelegate.didActivateAudioSession(audioSession)
+        }
+
         if(self.answerCall?.hasConnected ?? false){
             sendDefaultAudioInterruptionNofificationToStartAudioResource()
             return
@@ -636,10 +645,16 @@ public class SwiftFlutterCallkitIncomingPlugin: NSObject, FlutterPlugin, CXProvi
         }
         sendDefaultAudioInterruptionNofificationToStartAudioResource()
         configurAudioSession()
+
         self.sendEvent(SwiftFlutterCallkitIncomingPlugin.ACTION_CALL_TOGGLE_AUDIO_SESSION, [ "isActivate": true ])
     }
     
     public func provider(_ provider: CXProvider, didDeactivate audioSession: AVAudioSession) {
+        
+        if let appDelegate = UIApplication.shared.delegate as? CallkitIncomingAppDelegate {
+            appDelegate.didDeactivateAudioSession(audioSession)
+        }
+
         if self.outgoingCall?.isOnHold ?? false || self.answerCall?.isOnHold ?? false{
             print("Call is on hold")
             return
@@ -653,6 +668,7 @@ public class SwiftFlutterCallkitIncomingPlugin: NSObject, FlutterPlugin, CXProvi
             self.answerCall = nil
         }
         self.callManager.removeAllCalls()
+        
         self.sendEvent(SwiftFlutterCallkitIncomingPlugin.ACTION_CALL_TOGGLE_AUDIO_SESSION, [ "isActivate": false ])
     }
     
diff --git a/pubspec.yaml b/pubspec.yaml
index 06d0ac0f..61ecfb70 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_callkit_incoming
 description: Flutter Callkit Incoming to show callkit screen in your Flutter app.
-version: 2.0.1
+version: 2.0.1+1
 homepage: https://github.com/hiennguyen92/flutter_callkit_incoming
 repository: https://github.com/hiennguyen92/flutter_callkit_incoming
 issue_tracker: https://github.com/hiennguyen92/flutter_callkit_incoming/issues