diff --git a/lib/resources/call.js b/lib/resources/call.js
index 000b4b7b..ffaea1d0 100644
--- a/lib/resources/call.js
+++ b/lib/resources/call.js
@@ -46,47 +46,7 @@ export class CreateCallResponse {
 
     }
 }
-export class CreateMaskingSessionResponse {
-    constructor(params) {
-        params = params || {};
-        this.apiId = params.apiId;
-        this.sessionUuid = params.sessionUuid;
-        this.virtualNumber = params.virtualNumber;
-        this.message = params.message;
-        this.session = params.session;
-        
 
-    }
-}
-export class GetMaskingSessionResponse {
-    constructor(params) {
-        params = params || {};
-        this.apiId = params.apiId;
-        this.response = params.response;        
-    }
-}
-export class DeleteMaskingSessionResponse {
-    constructor(params) {
-        params = params || {};
-        this.apiId = params.apiId;
-        this.message = params.message;        
-    }
-}
-export class UpdateMaskingSessionResponse {
-    constructor(params) {
-        params = params || {};
-        this.apiId = params.apiId;
-        this.message = params.message; 
-        this.session = params.session;       
-    }
-}
-export class ListMaskingSessionResponse {
-    constructor(params) {
-        params = params || {};
-        this.apiId = params.apiId;
-        this.response = params.response;   
-    }
-}
 export class GetQueuedCallResponse {
     constructor(params) {
         params = params || {};
@@ -709,176 +669,6 @@ export class CallInterface extends PlivoResourceInterface {
                 });
         });
     }
-
-    /**
-     * Create a masking session
-     * @method
-     * @param {string} firstParty - The phone number or SIP endpoint of the first party.
-     * @param {string} secondParty - The phone number or SIP endpoint of the second party.
-     * @param {object} params - optional params to make a call
-     * @param {number} [params.sessionExpiry]- The duration in seconds for which the masking session will be active.
-     * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
-     * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
-     * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
-     * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
-     * @param {boolean} [params.initiateCallToFirstParty] - Indicates whether the call to the first party should be initiated automatically.
-     * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
-     * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
-     * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
-     * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
-     * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
-     * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
-     * @promise {object} returns PlivoGenericResponse Object
-     * @fail {Error} returns Error
-     */
-    createMaskingSession(firstParty, secondParty, params = {}) {
-        let errors = validate([{
-                field: 'first_party',
-                value: firstParty,
-                validators: ['isRequired']
-            },
-            {
-                field: 'second_party',
-                value: secondParty,
-                validators: ['isRequired']
-            }
-        ]);        
-        params.firstParty = firstParty;
-        params.secondParty = secondParty
-        params.isVoiceRequest = 'true';
-
-        let client = this[clientKey];
-        return new Promise((resolve, reject) => {
-            client('POST', 'Masking/Session/', params)
-                .then(response => {
-                    resolve(new CreateMaskingSessionResponse(response.body, idField));
-                })
-                .catch(error => {
-                    reject(error);
-                });
-        });
-    }
-
-	/**
-	 * Update a masking session
-	 * @method
-	 * @param {string} sessionUuid - unique idenfier of a session
-	 * @param {object} params - optional params to update a session
-	 * @param {number} [params.sessionExpiry] - The duration in seconds for which the masking session will be active.
-	 * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
-	 * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
-	 * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
-	 * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
-	 * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
-	 * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
-	 * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
-	 * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
-	 * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
-	 * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
-	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
-	 * @throws {Error} - Throws an error if the update masking session request fails
-	 */
-    updateMaskingSession(sessionUuid, params = {}) {
-        let errors = validate([{
-                field: 'session_uuid',
-                value: sessionUuid,
-                validators: ['isRequired']
-            }
-        ]);        
-        params.sessionUuid = sessionUuid;
-        params.isVoiceRequest = 'true';
-
-        if (errors) {
-            return errors;
-        }
-        return new Call(this[clientKey], {
-                id: sessionUuid,
-            }).updateMaskingSession(params);
-    }
- 	/**
-	 * List masking sessions with optional filters
-	 * @method
-	 * @param {object} filterParams - Optional filter parameters to list masking sessions
-	 * @param {string} [filterParams.firstParty] - The phone number or SIP endpoint of the first party.
-	 * @param {string} [filterParams.secondParty] - The phone number or SIP endpoint of the second party.
-	 * @param {string} [filterParams.virtualNumber] - The virtual number associated with the masking session.
-	 * @param {string} [filterParams.status] - The status of the masking session.
-	 * @param {string} [filterParams.createdTimeEquals] - The specific created time to filter sessions.
-	 * @param {string} [filterParams.createdTimeLessThan] - Filter sessions created before this time.
-	 * @param {string} [filterParams.createdTimeGreaterThan] - Filter sessions created after this time.
-	 * @param {string} [filterParams.createdTimeLessOrEqual] - Filter sessions created before or at this time.
-	 * @param {string} [filterParams.createdTimeGreaterOrEqual] - Filter sessions created after or at this time.
-	 * @param {string} [filterParams.expiryTimeEquals] - The specific expiry time to filter sessions.
-	 * @param {string} [filterParams.expiryTimeLessThan] - Filter sessions expiring before this time.
-	 * @param {string} [filterParams.expiryTimeGreaterThan] - Filter sessions expiring after this time.
-	 * @param {string} [filterParams.expiryTimeLessOrEqual] - Filter sessions expiring before or at this time.
-	 * @param {string} [filterParams.expiryTimeGreaterOrEqual] - Filter sessions expiring after or at this time.
-	 * @param {number} [filterParams.durationEquals] - The duration in seconds to filter sessions.
-	 * @param {number} [filterParams.durationLessThan] - Filter sessions with duration less than this value.
-	 * @param {number} [filterParams.durationGreaterThan] - Filter sessions with duration greater than this value.
-	 * @param {number} [filterParams.durationLessOrEqual] - Filter sessions with duration less than or equal to this value.
-	 * @param {number} [filterParams.durationGreaterOrEqual] - Filter sessions with duration greater than or equal to this value.
-	 * @param {number} [filterParams.limit] - The maximum number of sessions to retrieve.
-	 * @param {number} [filterParams.offset] - The offset for paginated results.
-	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
-	 * @throws {Error} - Throws an error if the list masking sessions request fails
-	 */
-    listMaskingSession(params) {
-        let client = this[clientKey];
-        if (params === undefined) {
-            params = {}
-        }
-        params.isVoiceRequest = 'true';
-        return new Promise(function (resolve, reject) {
-            client('GET', 'Masking/Session/', params).then(function (response) {
-                resolve(new ListMaskingSessionResponse(response.body, idField));
-            }).catch(function (error) {
-                reject(error);
-            });
-        });
-    }
-	/**
-     * Get a masking session
-     * @method
-	 * @param {string} sessionUuid - unique idenfier of a session
-	 * @promise {object} returns PlivoGenericResponse Object
-     * @fail {Error} returns Error
-     */    
-    getMaskingSession(sessionUuid){
-        let errors = validate([{
-            field: 'sessionUuid',
-            value: sessionUuid,
-            validators: ['isRequired']
-        }
-        ]);
-        if (errors) {
-            return errors;
-        }
-        return new Call(this[clientKey], {
-                id: sessionUuid,
-            }).getMaskingSession();
-    }
-    /**
-     * Delete a masking session
-     * @method
-	 * @param {string} sessionUuid - unique idenfier of a session
-	 * @promise {object} returns PlivoGenericResponse Object
-     * @fail {Error} returns Error
-     */    
-    deleteMaskingSession(sessionUuid){
-        let errors = validate([{
-            field: 'sessionUuid',
-            value: sessionUuid,
-            validators: ['isRequired']
-        }
-        ]);
-        if (errors) {
-            return errors;
-        }
-        return new Call(this[clientKey], {
-                id: sessionUuid,
-            }).deleteMaskingSession();
-    }
     /**
      * Hangup A Specific Call
      * @method
diff --git a/lib/resources/maskingSession.js b/lib/resources/maskingSession.js
new file mode 100644
index 00000000..a471a557
--- /dev/null
+++ b/lib/resources/maskingSession.js
@@ -0,0 +1,259 @@
+import * as _ from "lodash";
+
+import {
+    PlivoResource,
+    PlivoResourceInterface
+} from '../base';
+import {
+    extend,
+    validate
+} from '../utils/common.js';
+
+const clientKey = Symbol();
+const action = 'Masking/Session/';
+const idField = 'sessionUuid';
+
+export class CreateMaskingSessionResponse {
+    constructor(params) {
+        params = params || {};
+        this.apiId = params.apiId;
+        this.sessionUuid = params.sessionUuid;
+        this.virtualNumber = params.virtualNumber;
+        this.message = params.message;
+        this.session = params.session;
+        
+
+    }
+}
+export class GetMaskingSessionResponse {
+    constructor(params) {
+        params = params || {};
+        this.apiId = params.apiId;
+        this.response = params.response;        
+    }
+}
+export class DeleteMaskingSessionResponse {
+    constructor(params) {
+        params = params || {};
+        this.apiId = params.apiId;
+        this.message = params.message;        
+    }
+}
+export class UpdateMaskingSessionResponse {
+    constructor(params) {
+        params = params || {};
+        this.apiId = params.apiId;
+        this.message = params.message; 
+        this.session = params.session;       
+    }
+}
+export class ListMaskingSessionResponse {
+    constructor(params) {
+        params = params || {};
+        this.apiId = params.apiId;
+        this.response = params.response;   
+    }
+}
+
+export class MaskingSession extends PlivoResource {
+    constructor(client, data = {}) {
+        super(action, MaskingSession, idField, client);
+
+        if (idField in data) {
+            this.id = data[idField];
+        }
+
+        extend(this, data);
+        this[clientKey] = client;
+    }
+    getMaskingSession(params={}) {       
+        params.isVoiceRequest = 'true';
+        return super.executeAction(action + this.id, 'GET', params);
+    }
+    deleteMaskingSession(params={}) {       
+        params.isVoiceRequest = 'true';
+        return super.executeAction(action + this.id, 'DELETE', params);
+    }
+    updateMaskingSession(params) {       
+        params.isVoiceRequest = 'true';
+        return super.executeAction(action + this.id, 'POST', params);
+    }
+}
+export class MaskingSessionInterface extends PlivoResourceInterface {
+
+    constructor(client, data = {}) {
+        super(action, MaskingSession, idField, client);
+        extend(this, data);
+
+        this[clientKey] = client;
+    }
+     /**
+     * Create a masking session
+     * @method
+     * @param {string} firstParty - The phone number or SIP endpoint of the first party.
+     * @param {string} secondParty - The phone number or SIP endpoint of the second party.
+     * @param {object} params - optional params to make a call
+     * @param {number} [params.sessionExpiry]- The duration in seconds for which the masking session will be active.
+     * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
+     * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
+     * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
+     * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
+     * @param {boolean} [params.initiateCallToFirstParty] - Indicates whether the call to the first party should be initiated automatically.
+     * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
+     * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
+     * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
+     * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
+     * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
+     * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
+     * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */
+     createMaskingSession(firstParty, secondParty, params = {}) {
+        let errors = validate([{
+                field: 'first_party',
+                value: firstParty,
+                validators: ['isRequired']
+            },
+            {
+                field: 'second_party',
+                value: secondParty,
+                validators: ['isRequired']
+            }
+        ]);        
+        params.firstParty = firstParty;
+        params.secondParty = secondParty
+        params.isVoiceRequest = 'true';
+
+        let client = this[clientKey];
+        return new Promise((resolve, reject) => {
+            client('POST', 'Masking/Session/', params)
+                .then(response => {
+                    resolve(new CreateMaskingSessionResponse(response.body, idField));
+                })
+                .catch(error => {
+                    reject(error);
+                });
+        });
+    }
+
+	/**
+	 * Update a masking session
+	 * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @param {object} params - optional params to update a session
+	 * @param {number} [params.sessionExpiry] - The duration in seconds for which the masking session will be active.
+	 * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
+	 * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
+	 * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
+	 * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
+	 * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
+	 * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
+	 * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
+	 * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
+	 * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
+	 * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
+	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
+	 * @throws {Error} - Throws an error if the update masking session request fails
+	 */
+    updateMaskingSession(sessionUuid, params = {}) {
+        let errors = validate([{
+                field: 'session_uuid',
+                value: sessionUuid,
+                validators: ['isRequired']
+            }
+        ]);        
+        params.sessionUuid = sessionUuid;
+        params.isVoiceRequest = 'true';
+
+        if (errors) {
+            return errors;
+        }
+        return new MaskingSession(this[clientKey], {
+                id: sessionUuid,
+            }).updateMaskingSession(params);
+    }
+ 	/**
+	 * List masking sessions with optional filters
+	 * @method
+	 * @param {object} filterParams - Optional filter parameters to list masking sessions
+	 * @param {string} [filterParams.firstParty] - The phone number or SIP endpoint of the first party.
+	 * @param {string} [filterParams.secondParty] - The phone number or SIP endpoint of the second party.
+	 * @param {string} [filterParams.virtualNumber] - The virtual number associated with the masking session.
+	 * @param {string} [filterParams.status] - The status of the masking session.
+	 * @param {string} [filterParams.createdTimeEquals] - The specific created time to filter sessions.
+	 * @param {string} [filterParams.createdTimeLessThan] - Filter sessions created before this time.
+	 * @param {string} [filterParams.createdTimeGreaterThan] - Filter sessions created after this time.
+	 * @param {string} [filterParams.createdTimeLessOrEqual] - Filter sessions created before or at this time.
+	 * @param {string} [filterParams.createdTimeGreaterOrEqual] - Filter sessions created after or at this time.
+	 * @param {string} [filterParams.expiryTimeEquals] - The specific expiry time to filter sessions.
+	 * @param {string} [filterParams.expiryTimeLessThan] - Filter sessions expiring before this time.
+	 * @param {string} [filterParams.expiryTimeGreaterThan] - Filter sessions expiring after this time.
+	 * @param {string} [filterParams.expiryTimeLessOrEqual] - Filter sessions expiring before or at this time.
+	 * @param {string} [filterParams.expiryTimeGreaterOrEqual] - Filter sessions expiring after or at this time.
+	 * @param {number} [filterParams.durationEquals] - The duration in seconds to filter sessions.
+	 * @param {number} [filterParams.durationLessThan] - Filter sessions with duration less than this value.
+	 * @param {number} [filterParams.durationGreaterThan] - Filter sessions with duration greater than this value.
+	 * @param {number} [filterParams.durationLessOrEqual] - Filter sessions with duration less than or equal to this value.
+	 * @param {number} [filterParams.durationGreaterOrEqual] - Filter sessions with duration greater than or equal to this value.
+	 * @param {number} [filterParams.limit] - The maximum number of sessions to retrieve.
+	 * @param {number} [filterParams.offset] - The offset for paginated results.
+	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
+	 * @throws {Error} - Throws an error if the list masking sessions request fails
+	 */
+    listMaskingSession(params) {
+        let client = this[clientKey];
+        if (params === undefined) {
+            params = {}
+        }
+        params.isVoiceRequest = 'true';
+        return new Promise(function (resolve, reject) {
+            client('GET', 'Masking/Session/', params).then(function (response) {
+                resolve(new ListMaskingSessionResponse(response.body, idField));
+            }).catch(function (error) {
+                reject(error);
+            });
+        });
+    }
+	/**
+     * Get a masking session
+     * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */    
+    getMaskingSession(sessionUuid){
+        let errors = validate([{
+            field: 'sessionUuid',
+            value: sessionUuid,
+            validators: ['isRequired']
+        }
+        ]);
+        if (errors) {
+            return errors;
+        }
+        return new MaskingSession(this[clientKey], {
+                id: sessionUuid,
+            }).getMaskingSession();
+    }
+    /**
+     * Delete a masking session
+     * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */    
+    deleteMaskingSession(sessionUuid){
+        let errors = validate([{
+            field: 'sessionUuid',
+            value: sessionUuid,
+            validators: ['isRequired']
+        }
+        ]);
+        if (errors) {
+            return errors;
+        }
+        return new MaskingSession(this[clientKey], {
+                id: sessionUuid,
+            }).deleteMaskingSession();
+    }
+}
\ No newline at end of file
diff --git a/lib/rest/client-test.js b/lib/rest/client-test.js
index dcf282c4..2ddc6e32 100644
--- a/lib/rest/client-test.js
+++ b/lib/rest/client-test.js
@@ -69,6 +69,7 @@ import { ComplianceRequirementInterface } from "../resources/complianceRequireme
 import { ComplianceApplicationInterface } from "../resources/complianceApplications";
 import { LOAInterface } from "../resources/loa";
 import { HostedMessagingNumberInterface } from "../resources/hostedMessagingNumber";
+import { MaskingSessionInterface } from '../resources/maskingSession.js';
 
 export class Client {
   constructor(authId, authToken, proxy) {
@@ -123,6 +124,7 @@ export class Client {
     this.multiPartyCalls = new MultiPartyCallInterface(client);
     this.loa = new LOAInterface(client);
     this.hostedMessagingNumber = new HostedMessagingNumberInterface(client);
+    this.maskingSession = new MaskingSessionInterface(client);
   }
 }
 
diff --git a/lib/rest/client.js b/lib/rest/client.js
index 5e8c6ca3..5a99038a 100644
--- a/lib/rest/client.js
+++ b/lib/rest/client.js
@@ -32,6 +32,7 @@ import { ComplianceApplicationInterface } from "../resources/complianceApplicati
 import { MultiPartyCallInterface } from "../resources/multiPartyCall";
 import { LOAInterface } from "../resources/loa";
 import { HostedMessagingNumberInterface } from "../resources/hostedMessagingNumber";
+import { MaskingSessionInterface } from "../resources/maskingSession.js";
 
 
 exports.Response = function() {
@@ -111,6 +112,7 @@ export class Client {
     this.multiPartyCalls = new MultiPartyCallInterface(client);
     this.loa = new LOAInterface(client);
     this.hostedMessagingNumber = new HostedMessagingNumberInterface(client);
+    this.maskingSession = new MaskingSessionInterface(client)
   }
 
   toJSON() {
diff --git a/test/maskingSession.js b/test/maskingSession.js
new file mode 100644
index 00000000..5c445169
--- /dev/null
+++ b/test/maskingSession.js
@@ -0,0 +1,44 @@
+import assert from 'assert';
+import {Client} from '../lib/rest/client-test';
+
+let client = new Client('sampleid', 'sammpletoken', 'sampleproxy');
+
+describe('client', function () {
+  let authId, authToken
+
+    describe('MaskingSession', function () {
+        it('should create masking session!', function () {
+        client.maskingSession.createMaskingSession("917708772011", "918220568648", 
+                {
+                    callTimeLimit: 14600,
+                },
+            ).then(function (response) {
+                assert.equal(response.message, 'Session created')
+            })
+        });
+        it('should delete a masking session!', function () {
+        client.maskingSession.deleteMaskingSession("197aa6e0-1abe-4d1c-b887-2b2406764360")
+            .then(function (response) {
+                assert.equal(response.message, 'Session expired')
+            })
+        });
+        it('should get masking session by session uuid!', function () {
+        client.maskingSession.getMaskingSession("197aa6e0-1abe-4d1c-b887-2b2406764360")
+            .then(function (response) {
+                assert.equal(response.response.sessionUuid, "197aa6e0-1abe-4d1c-b887-2b2406764360")
+            })
+        });
+        it('should update masking session using session uuid!', function () {
+        client.maskingSession.updateMaskingSession("63690013-52bb-43fa-9b0b-bf81c9f4d766")
+            .then(function (response) {
+                assert.equal(response.message, 'Session updated')
+            })
+        });
+        it('should list masking session!', function () {
+        client.maskingSession.listMaskingSession()
+            .then(function (response) {
+                assert.equal(response.length, 2)
+            })
+        });
+    });
+})
\ No newline at end of file
diff --git a/types/resources/call.d.ts b/types/resources/call.d.ts
index 34d802ae..3d6c5683 100644
--- a/types/resources/call.d.ts
+++ b/types/resources/call.d.ts
@@ -20,35 +20,6 @@ export class CreateCallResponse {
 	message: string;
 	requestUuid: Array<string> | string;
 }
-export class CreateMaskingSessionResponse {
-	constructor(params: object);
-	apiId: string;
-	sessionUuid:string;
-	virtualNumber:string;
-	message: string;
-	session: object;
-}
-export class GetMaskingSessionResponse {
-	constructor(params: object);
-	apiId: string;
-	response: object;
-}
-export class DeleteMaskingSessionResponse {
-	constructor(params: object);
-	apiId: string;
-	message: string;
-}
-export class UpdateMaskingSessionResponse {
-	constructor(params: object);
-	apiId: string;
-	message: string;
-	session: object;
-}
-export class ListMaskingSessionResponse {
-	constructor(params: object);
-	apiId: string;
-	response: object;
-}
 export class GetQueuedCallResponse {
 	constructor(params: object);
 	apiId: string;
@@ -346,96 +317,6 @@ export class CallInterface extends PlivoResourceInterface {
 	 * @fail {Error} returns Error
 	 */
 	create(from: string, to: string, answerUrl: string, params ? : {}): Promise < CreateCallResponse > ;
-	
-    /**
-     * Create a masking session
-     * @method
-     * @param {string} firstParty - The phone number or SIP endpoint of the first party.
-     * @param {string} secondParty - The phone number or SIP endpoint of the second party.
-     * @param {object} params - optional params to make a call
-     * @param {number} [params.sessionExpiry]- The duration in seconds for which the masking session will be active.
-     * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
-     * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
-     * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
-     * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
-     * @param {boolean} [params.initiateCallToFirstParty] - Indicates whether the call to the first party should be initiated automatically.
-     * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
-     * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
-     * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
-     * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
-     * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
-     * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
-     * @promise {object} returns PlivoGenericResponse Object
-     * @fail {Error} returns Error
-     */
-	createMaskingSession(firstParty: string, secondParty: string, params ? : {}): Promise < CreateMaskingSessionResponse > ;
-	/**
-	 * Update a masking session
-	 * @method
-	 * @param {string} sessionUuid - unique idenfier of a session
-	 * @param {object} params - optional params to update a session
-	 * @param {number} [params.sessionExpiry] - The duration in seconds for which the masking session will be active.
-	 * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
-	 * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
-	 * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
-	 * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
-	 * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
-	 * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
-	 * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
-	 * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
-	 * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
-	 * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
-	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
-	 * @throws {Error} - Throws an error if the update masking session request fails
-	 */
-	updateMaskingSession(sessionUuid: string, params ? : {}): Promise < UpdateMaskingSessionResponse > ;
-	/**
-	 * List masking sessions with optional filters
-	 * @method
-	 * @param {object} filterParams - Optional filter parameters to list masking sessions
-	 * @param {string} [filterParams.firstParty] - The phone number or SIP endpoint of the first party.
-	 * @param {string} [filterParams.secondParty] - The phone number or SIP endpoint of the second party.
-	 * @param {string} [filterParams.virtualNumber] - The virtual number associated with the masking session.
-	 * @param {string} [filterParams.status] - The status of the masking session.
-	 * @param {string} [filterParams.createdTimeEquals] - The specific created time to filter sessions.
-	 * @param {string} [filterParams.createdTimeLessThan] - Filter sessions created before this time.
-	 * @param {string} [filterParams.createdTimeGreaterThan] - Filter sessions created after this time.
-	 * @param {string} [filterParams.createdTimeLessOrEqual] - Filter sessions created before or at this time.
-	 * @param {string} [filterParams.createdTimeGreaterOrEqual] - Filter sessions created after or at this time.
-	 * @param {string} [filterParams.expiryTimeEquals] - The specific expiry time to filter sessions.
-	 * @param {string} [filterParams.expiryTimeLessThan] - Filter sessions expiring before this time.
-	 * @param {string} [filterParams.expiryTimeGreaterThan] - Filter sessions expiring after this time.
-	 * @param {string} [filterParams.expiryTimeLessOrEqual] - Filter sessions expiring before or at this time.
-	 * @param {string} [filterParams.expiryTimeGreaterOrEqual] - Filter sessions expiring after or at this time.
-	 * @param {number} [filterParams.durationEquals] - The duration in seconds to filter sessions.
-	 * @param {number} [filterParams.durationLessThan] - Filter sessions with duration less than this value.
-	 * @param {number} [filterParams.durationGreaterThan] - Filter sessions with duration greater than this value.
-	 * @param {number} [filterParams.durationLessOrEqual] - Filter sessions with duration less than or equal to this value.
-	 * @param {number} [filterParams.durationGreaterOrEqual] - Filter sessions with duration greater than or equal to this value.
-	 * @param {number} [filterParams.limit] - The maximum number of sessions to retrieve.
-	 * @param {number} [filterParams.offset] - The offset for paginated results.
-	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
-	 * @throws {Error} - Throws an error if the list masking sessions request fails
-	 */
-	listMaskingSession(params ? : {}): Promise < ListMaskingSessionResponse > ;	
-
-	/**
-     * Get a masking session
-     * @method
-	 * @param {string} sessionUuid - unique idenfier of a session
-	 * @promise {object} returns PlivoGenericResponse Object
-     * @fail {Error} returns Error
-     */
-	getMaskingSession(sessionUuid: string): Promise < GetMaskingSessionResponse > ;
-	/**
-     * Delete a masking session
-     * @method
-	 * @param {string} sessionUuid - unique idenfier of a session
-	 * @promise {object} returns PlivoGenericResponse Object
-     * @fail {Error} returns Error
-     */
-	deleteMaskingSession(sessionUuid: string): Promise < DeleteMaskingSessionResponse > ;
-	
 	/**
 	 * Hangup A Specific Call
 	 * @method
diff --git a/types/resources/maskingSession.d.ts b/types/resources/maskingSession.d.ts
new file mode 100644
index 00000000..c5b277a5
--- /dev/null
+++ b/types/resources/maskingSession.d.ts
@@ -0,0 +1,162 @@
+export class CreateMaskingSessionResponse {
+	constructor(params: object);
+	apiId: string;
+	sessionUuid:string;
+	virtualNumber:string;
+	message: string;
+	session: object;
+}
+export class GetMaskingSessionResponse {
+	constructor(params: object);
+	apiId: string;
+	response: object;
+}
+export class DeleteMaskingSessionResponse {
+	constructor(params: object);
+	apiId: string;
+	message: string;
+}
+export class UpdateMaskingSessionResponse {
+	constructor(params: object);
+	apiId: string;
+	message: string;
+	session: object;
+}
+export class ListMaskingSessionResponse {
+	constructor(params: object);
+	apiId: string;
+	response: object;
+}
+export class MaskingSession extends PlivoResource {
+	constructor(client: Function, data ? : {});
+	id: string;
+    /**
+	 * Update a masking session
+	 * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @param {object} params - optional params to update a session
+	 * @param {number} [params.sessionExpiry] - The duration in seconds for which the masking session will be active.
+	 * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
+	 * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
+	 * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
+	 * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
+	 * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
+	 * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
+	 * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
+	 * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
+	 * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
+	 * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
+	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
+	 * @throws {Error} - Throws an error if the update masking session request fails
+	 */
+	updateMaskingSession(params ? : {}): Promise < UpdateMaskingSessionResponse > ;
+    /**
+     * Get a masking session
+     * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */
+	getMaskingSession(): Promise < GetMaskingSessionResponse > ;
+	/**
+     * Delete a masking session
+     * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */
+	deleteMaskingSession(): Promise < DeleteMaskingSessionResponse > ;
+
+}
+
+export class MaskingSessionInterface extends PlivoResourceInterface {
+	constructor(client: Function, data ? : {});
+    /**
+     * Create a masking session
+     * @method
+     * @param {string} firstParty - The phone number or SIP endpoint of the first party.
+     * @param {string} secondParty - The phone number or SIP endpoint of the second party.
+     * @param {object} params - optional params to make a call
+     * @param {number} [params.sessionExpiry]- The duration in seconds for which the masking session will be active.
+     * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
+     * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
+     * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
+     * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
+     * @param {boolean} [params.initiateCallToFirstParty] - Indicates whether the call to the first party should be initiated automatically.
+     * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
+     * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
+     * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
+     * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
+     * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
+     * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
+     * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */
+	createMaskingSession(firstParty: string, secondParty: string, params ? : {}): Promise < CreateMaskingSessionResponse > ;
+	/**
+	 * Update a masking session
+	 * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @param {object} params - optional params to update a session
+	 * @param {number} [params.sessionExpiry] - The duration in seconds for which the masking session will be active.
+	 * @param {number} [params.callTimeLimit] - The maximum duration in seconds for each call in the masking session.
+	 * @param {boolean} [params.record] - Indicates whether the calls in the masking session should be recorded.
+	 * @param {string} [params.recordFileFormat] - The file format for the recorded calls.
+	 * @param {string} [params.recordingCallbackUrl] - The URL to which the recording callback will be sent.
+	 * @param {string} [params.callbackUrl] - The URL to which the callback for the masking session will be sent.
+	 * @param {string} [params.callbackMethod] - The HTTP method for the callback request.
+	 * @param {number} [params.ringTimeout] - The duration in seconds for which the call will ring before being canceled.
+	 * @param {string} [params.firstPartyPlayUrl] - The URL to play audio to the first party when the call is established.
+	 * @param {string} [params.secondPartyPlayUrl] - The URL to play audio to the second party when the call is established.
+	 * @param {string} [params.recordingCallbackMethod] - The HTTP method for the recording callback request.
+	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
+	 * @throws {Error} - Throws an error if the update masking session request fails
+	 */
+	updateMaskingSession(sessionUuid: string, params ? : {}): Promise < UpdateMaskingSessionResponse > ;
+	/**
+	 * List masking sessions with optional filters
+	 * @method
+	 * @param {object} filterParams - Optional filter parameters to list masking sessions
+	 * @param {string} [filterParams.firstParty] - The phone number or SIP endpoint of the first party.
+	 * @param {string} [filterParams.secondParty] - The phone number or SIP endpoint of the second party.
+	 * @param {string} [filterParams.virtualNumber] - The virtual number associated with the masking session.
+	 * @param {string} [filterParams.status] - The status of the masking session.
+	 * @param {string} [filterParams.createdTimeEquals] - The specific created time to filter sessions.
+	 * @param {string} [filterParams.createdTimeLessThan] - Filter sessions created before this time.
+	 * @param {string} [filterParams.createdTimeGreaterThan] - Filter sessions created after this time.
+	 * @param {string} [filterParams.createdTimeLessOrEqual] - Filter sessions created before or at this time.
+	 * @param {string} [filterParams.createdTimeGreaterOrEqual] - Filter sessions created after or at this time.
+	 * @param {string} [filterParams.expiryTimeEquals] - The specific expiry time to filter sessions.
+	 * @param {string} [filterParams.expiryTimeLessThan] - Filter sessions expiring before this time.
+	 * @param {string} [filterParams.expiryTimeGreaterThan] - Filter sessions expiring after this time.
+	 * @param {string} [filterParams.expiryTimeLessOrEqual] - Filter sessions expiring before or at this time.
+	 * @param {string} [filterParams.expiryTimeGreaterOrEqual] - Filter sessions expiring after or at this time.
+	 * @param {number} [filterParams.durationEquals] - The duration in seconds to filter sessions.
+	 * @param {number} [filterParams.durationLessThan] - Filter sessions with duration less than this value.
+	 * @param {number} [filterParams.durationGreaterThan] - Filter sessions with duration greater than this value.
+	 * @param {number} [filterParams.durationLessOrEqual] - Filter sessions with duration less than or equal to this value.
+	 * @param {number} [filterParams.durationGreaterOrEqual] - Filter sessions with duration greater than or equal to this value.
+	 * @param {number} [filterParams.limit] - The maximum number of sessions to retrieve.
+	 * @param {number} [filterParams.offset] - The offset for paginated results.
+	 * @returns {Promise<PlivoGenericResponse>} - Resolves to a PlivoGenericResponse object
+	 * @throws {Error} - Throws an error if the list masking sessions request fails
+	 */
+	listMaskingSession(params ? : {}): Promise < ListMaskingSessionResponse > ;	
+
+	/**
+     * Get a masking session
+     * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */
+	getMaskingSession(sessionUuid: string): Promise < GetMaskingSessionResponse > ;
+	/**
+     * Delete a masking session
+     * @method
+	 * @param {string} sessionUuid - unique idenfier of a session
+	 * @promise {object} returns PlivoGenericResponse Object
+     * @fail {Error} returns Error
+     */
+	deleteMaskingSession(sessionUuid: string): Promise < DeleteMaskingSessionResponse > ;
+}
\ No newline at end of file
diff --git a/types/rest/client-test.d.ts b/types/rest/client-test.d.ts
index 29572f6b..7b5732d9 100644
--- a/types/rest/client-test.d.ts
+++ b/types/rest/client-test.d.ts
@@ -16,6 +16,7 @@ export class Client {
     media: MediaInterface;
     loa: LOAInterface;
     hostedMessagingNumber: HostedMessagingNumberInterface;
+    maskingSession: MaskingSessionInterface;
 }
 /**
  * Plivo API client which can be used to access the Plivo APIs.
@@ -43,3 +44,5 @@ import { MediaInterface } from "../resources/media.js";
 import { Phlo } from "../resources/phlo.js";
 import { LOAInterface } from "../resources/loa.js";
 import { HostedMessagingNumberInterface } from "../resources/hostedMessagingNumber.js";
+import { MaskingSessionInterface } from "../resources/maskingSession.js";
+
diff --git a/types/rest/client.d.ts b/types/rest/client.d.ts
index 261bd4fb..d369e38c 100644
--- a/types/rest/client.d.ts
+++ b/types/rest/client.d.ts
@@ -31,6 +31,7 @@ export class Client {
     complianceApplications: ComplianceApplicationInterface;
     loa: LOAInterface;
     hostedMessagingNumber: HostedMessagingNumberInterface;
+    maskingSession:MaskingSessionInterface;
     toJSON(...args: any[]): any;
 }
 /**
@@ -65,3 +66,5 @@ import { ComplianceRequirementInterface } from "../resources/complianceRequireme
 import { ComplianceApplicationInterface } from "../resources/complianceApplications";
 import { LOAInterface } from "../resources/loa";
 import { HostedMessagingNumberInterface } from "../resources/hostedMessagingNumber";
+import { MaskingSessionInterface } from "../resources/maskingSession.js";
+