diff --git a/Exotel-Voice-Sample/Changelog.md b/Exotel-Voice-Sample/Changelog.md
index ad27453..521d6fb 100644
--- a/Exotel-Voice-Sample/Changelog.md
+++ b/Exotel-Voice-Sample/Changelog.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## [1.0.11] 25-11-2024
+* [VST-881]
+  ** Adding delay in stop function, and checking system state (Fatal message crash fix)
+
 ## [1.0.10] 30-09-2024
 * [VST-842]
 ** pj_pool_release crash fix 
diff --git a/Exotel-Voice-Sample/ExotelVoiceSample/VoiceApp/VoiceAppService.swift b/Exotel-Voice-Sample/ExotelVoiceSample/VoiceApp/VoiceAppService.swift
index bbe2701..c6dcb4f 100644
--- a/Exotel-Voice-Sample/ExotelVoiceSample/VoiceApp/VoiceAppService.swift
+++ b/Exotel-Voice-Sample/ExotelVoiceSample/VoiceApp/VoiceAppService.swift
@@ -403,6 +403,10 @@ public class VoiceAppService {
 }
 
 extension VoiceAppService: ExotelVoiceClientEventListener {
+    public func onAlreadyIntialized() {
+        VoiceAppLogger.debug(TAG: TAG, message: "In onAlreadyIntialized")
+    }
+    
     public func onInitializationSuccess() {
         VoiceAppLogger.debug(TAG: TAG, message: "Initialization Success")
         NotificationCenter.default.post(name: NSNotification.Name(rawValue: initSuccessKey), object: nil, userInfo: ["payload": "success"])
diff --git a/README.md b/README.md
index a99f93b..efbed38 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # exotel-voip-sdk-ios
 Contains SDK, integration guide, sample app code and API documentation.
 
-Latest SDK Version : [1.0.6](https://github.com/exotel/exotel-voip-sdk-ios/releases/latest)
+Latest SDK Version : [1.0.11](https://github.com/exotel/exotel-voip-sdk-ios/releases/latest)
 
 ## Exotel Voice SDK
 Download the ExotelVoice.framework.zip sdk file and unzip it, follow the instructions provided in [Exotel Voice Client IOS SDK Integration Guide.pdf](https://github.com/exotel/exotel-voip-sdk-ios/blob/main/Exotel%20Voice%20Client%20IOS%20SDK%20Integration%20Guide.pdf).  
diff --git a/SDK/ExotelVoice-1.0.10.tar.gz b/SDK/ExotelVoice-1.0.10.tar.gz
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index 580e750..0000000
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diff --git a/SDK/ExotelVoice-1.0.11.tar.gz b/SDK/ExotelVoice-1.0.11.tar.gz
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index 0000000..5a0c660
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