diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f917f0..b1d030c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,11 @@
 # Change Log
 
-## [4.8.0](https://github.com/plivo/plivo-node/releases/tag/v4.8.0)(2020-08-25)
+## [4.9.0](https://github.com/plivo/plivo-node/releases/tag/v4.8.0)(2020-08-25)
 -  Powerpack for MMS
 
+## [4.8.0](https://github.com/plivo/plivo-node/releases/tag/v4.8.0)(2020-07-23)
+-  Add retries to multiple regions for voice requests.
+
 ## [4.7.0](https://github.com/plivo/plivo-node/releases/tag/v4.7.0)(2020-05-28)
 -  Add JWT helper functions.
 
diff --git a/lib/base.js b/lib/base.js
index d687ac6..98d0f49 100644
--- a/lib/base.js
+++ b/lib/base.js
@@ -35,6 +35,9 @@ export class PlivoResource {
       client('POST', action + id + '/', params)
         .then(response => {
           extend(that, response.body);
+          if (params.hasOwnProperty('isVoiceRequest')){
+            delete params.isVoiceRequest;
+          }
           extend(that, params);
           resolve(that);
         })
diff --git a/lib/resources/applications.js b/lib/resources/applications.js
index e340aee..a06355a 100644
--- a/lib/resources/applications.js
+++ b/lib/resources/applications.js
@@ -43,6 +43,7 @@ export class Application extends PlivoResource {
  * @fail {Error} return Error
  */
   update(params) {
+    params.isVoiceRequest = 'true';
     return super.update(params);
   }
 
@@ -59,6 +60,7 @@ export class Application extends PlivoResource {
     if (typeof params.cascade === 'boolean') {
       params.cascade = params.cascade.toString();
     }
+    params.isVoiceRequest = 'true';
     return super.delete(params);
   }
 
@@ -86,7 +88,22 @@ export class ApplicationInterface extends PlivoResourceInterface {
  * @fail {Error} return Error
  */
   get(id) {
-    return super.get(id);
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.get(id, params);
+  }
+
+  /**
+   * list applications
+   * @method
+   * @param {object} params - params to list applications
+   * @param {string} [params.subaccount] - ID of the subaccount if present
+   * @param {integer} [params.limit] - To display no of results per page
+   * @param {integer} [params.offset] - No of value items by which results should be offset
+   */
+  list(params= {}) {
+    params.isVoiceRequest = 'true';
+    return super.list(params);
   }
 
 /**
@@ -122,7 +139,7 @@ export class ApplicationInterface extends PlivoResourceInterface {
     }
 
     params.app_name = appName;
-
+    params.isVoiceRequest = 'true';
     return super.create(params);
   }
 
diff --git a/lib/resources/call.js b/lib/resources/call.js
index 8ea073d..655c0ac 100644
--- a/lib/resources/call.js
+++ b/lib/resources/call.js
@@ -32,7 +32,9 @@ export class Call extends PlivoResource {
  * @fail {Error} return Error
  */
   hangup() {
-    return super.delete();
+    let params = {}
+    params.isVoiceRequest = 'true';
+    return super.delete(params);
   }
 
 /**
@@ -48,6 +50,7 @@ export class Call extends PlivoResource {
  * @fail {Error} return Error
  */
   transfer(params) {
+    params.isVoiceRequest = 'true';
     return super.update(params);
   }
 /**
@@ -69,6 +72,7 @@ export class Call extends PlivoResource {
  * @fail {Error} return Error
  */
   startRecording(params) {
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/Record/', 'POST', params);
   }
 /**
@@ -79,6 +83,7 @@ export class Call extends PlivoResource {
  * @fail {Error} return Error
  */
   stopRecording(params) {
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/Record/', 'DELETE', params);
   }
 
@@ -104,6 +109,7 @@ export class Call extends PlivoResource {
   startPlayingMusic(urls, optionalParams) {
     let params = optionalParams || {};
     params.urls = urls;
+    params.isVoiceRequest = 'true';
 
     let errors = validate([
       {field: 'urls', value: urls, validators: ['isRequired', 'isString']}
@@ -122,7 +128,9 @@ export class Call extends PlivoResource {
  * @fail {Error} returns Error
  */
   stopPlayingMusic() {
-    return super.executeAction(this.id + '/Play/', 'DELETE');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Play/', 'DELETE', params);
   }
 
 /**
@@ -154,6 +162,7 @@ export class Call extends PlivoResource {
 
     let params = optionalParams || {};
     params.text = text;
+    params.isVoiceRequest = 'true';
 
     return super.executeAction(this.id + '/Speak/', 'POST', params);
   }
@@ -165,7 +174,9 @@ export class Call extends PlivoResource {
  * @fail {Error} returns Error
  */
   stopSpeakingText() {
-    return super.executeAction(this.id + '/Speak/', 'DELETE');
+    let params = {}
+    params.isVoiceRequest = 'true';
+    return super.executeAction(this.id + '/Speak/', 'DELETE', params);
   }
 
 /**
@@ -185,7 +196,7 @@ export class Call extends PlivoResource {
 
     let params = optionalParams || {};
     params.digits = digits;
-
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/DTMF/', 'POST', params);
   }
 
@@ -196,7 +207,9 @@ export class Call extends PlivoResource {
  * @fail {Error} returns Error
  */
   cancel() {
-    return super.executeAction('Request/' + this.id + '/', 'DELETE', {}, '');
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.executeAction('Request/' + this.id + '/', 'DELETE', params, '');
   }
 }
 
@@ -233,7 +246,9 @@ export class CallInterface extends PlivoResourceInterface {
     if (errors) {
       return errors;
     }
-    return super.get(id);
+    let params = {}
+    params.isVoiceRequest = 'true';
+    return super.get(id, params);
   }
 
 /**
@@ -244,6 +259,7 @@ export class CallInterface extends PlivoResourceInterface {
  * @fail {Error} returns Error
  */
   list(params) {
+    params.isVoiceRequest = 'true';
     return super.list(params);
   }
 
@@ -289,6 +305,7 @@ export class CallInterface extends PlivoResourceInterface {
     params.from = from;
     params.to = _.isArray(to) ? _.join(to, '<') : to;
     params.answer_url = answerUrl;
+    params.isVoiceRequest = 'true';
 
     return super.create(params);
   }
@@ -582,6 +599,7 @@ class LiveCallInterface extends PlivoResourceInterface {
     }
     return super.get(id, {
       status: 'live',
+      isVoiceRequest: 'true'
     });
   }
 
@@ -591,7 +609,7 @@ class LiveCallInterface extends PlivoResourceInterface {
       params = {}
     }
     params.status = 'live'
-
+    params.isVoiceRequest = 'true'
     return new Promise((resolve, reject) => {
       client('GET', action, params)
         .then(response => {
@@ -640,6 +658,7 @@ class QueuedCallInterface extends PlivoResourceInterface {
     }
     return super.get(id, {
       status: 'queued',
+      isVoiceRequest: 'true'
     });
   }
 
@@ -647,7 +666,7 @@ class QueuedCallInterface extends PlivoResourceInterface {
     let client = this[clientKey];
 
     return new Promise((resolve, reject) => {
-      client('GET', action, {status: 'queued'})
+      client('GET', action, {status: 'queued', isVoiceRequest: 'true'})
         .then(response => {
           let calls = [];
           response.body.calls.forEach(callUuid => {
diff --git a/lib/resources/conferences.js b/lib/resources/conferences.js
index 1e506f3..1073ba7 100644
--- a/lib/resources/conferences.js
+++ b/lib/resources/conferences.js
@@ -30,7 +30,9 @@ export class Conference extends PlivoResource {
  * @fail {Error} return Error
  */
   hangup() {
-    return super.delete();
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.delete(params);
   }
 
 /**
@@ -48,7 +50,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-    return super.executeAction(this.id + '/Member/' + memberId + '/', 'DELETE');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Member/' + memberId + '/', 'DELETE', params);
   }
 
 /**
@@ -66,8 +70,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-
-    return super.executeAction(this.id + '/Member/' + memberId + '/Kick/', 'POST');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Member/' + memberId + '/Kick/', 'POST',params);
   }
 
 /**
@@ -85,7 +90,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-    return super.executeAction(this.id + '/Member/' + memberId + '/Mute/', 'POST');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Member/' + memberId + '/Mute/', 'POST',params);
   }
 
 /**
@@ -103,8 +110,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-
-    return super.executeAction(this.id + '/Member/' + memberId + '/Mute/', 'DELETE');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Member/' + memberId + '/Mute/', 'DELETE', params);
   }
 
 /**
@@ -122,7 +130,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-    return super.executeAction(this.id + '/Member/' + memberId + '/Deaf/', 'POST');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Member/' + memberId + '/Deaf/', 'POST', params);
   }
 
 /**
@@ -140,7 +150,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-    return super.executeAction(this.id + '/Member/' + memberId + '/Deaf/', 'DELETE');
+    let params = {}
+    params.isVoiceRequest = 'true'
+    return super.executeAction(this.id + '/Member/' + memberId + '/Deaf/', 'DELETE', params);
   }
 
 /**
@@ -161,6 +173,7 @@ export class Conference extends PlivoResource {
       return errors;
     }
     let params = {url: url};
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/Member/' + memberId + '/Play/', 'POST', params);
   }
 
@@ -179,7 +192,9 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
-    return super.executeAction(this.id + '/Member/' + memberId + '/Play/', 'DELETE');
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.executeAction(this.id + '/Member/' + memberId + '/Play/', 'DELETE', params);
   }
 
 /**
@@ -204,7 +219,7 @@ export class Conference extends PlivoResource {
     }
     let params = optionalParams || {};
     params.text = text;
-
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/Member/' + memberId + '/Speak/', 'POST', params);
   }
 
@@ -223,6 +238,8 @@ export class Conference extends PlivoResource {
     if (errors) {
       return errors;
     }
+    let params = {};
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/Member/' + memberId + '/Speak/', 'DELETE');
   }
 
@@ -260,7 +277,8 @@ export class Conference extends PlivoResource {
    * @promise {PlivoGenericResponse} return PlivoGenericResponse if success
    * @fail {Error} return Error
    */
-  startRecording(params) {
+  startRecording(params={}) {
+    params.isVoiceRequest = 'true';
     return super.executeAction(this.id + '/Record/', 'POST', params);
   }
 
@@ -271,7 +289,9 @@ export class Conference extends PlivoResource {
  * @fail {Error} return Error
  */
   stopRecording() {
-    return super.executeAction(this.id + '/Record/', 'DELETE');
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.executeAction(this.id + '/Record/', 'DELETE', params);
   }
 }
 
@@ -305,7 +325,9 @@ export class ConferenceInterface extends PlivoResourceInterface {
     if (errors) {
       return errors;
     }
-    return super.get(id);
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.get(id, params);
   }
 
 /**
@@ -316,9 +338,10 @@ export class ConferenceInterface extends PlivoResourceInterface {
  */
   list() {
     let client = this[clientKey];
-
+    let params = {}
+    params.isVoiceRequest = 'true';
     return new Promise((resolve, reject) => {
-      client('GET', action)
+      client('GET', action, params)
         .then(response => {
           let conferences = [];
           response.body.conferences.forEach(conference => {
@@ -349,9 +372,11 @@ export class ConferenceInterface extends PlivoResourceInterface {
     if (errors) {
       return errors;
     }
+    let params = {};
+    params.isVoiceRequest = 'true';
     return new Conference(this[clientKey], {
       id: conferenceName
-    }).delete();
+    }).delete(params);
   }
 
 /**
@@ -361,8 +386,10 @@ export class ConferenceInterface extends PlivoResourceInterface {
  * @fail {Error} return Error
  */
   hangupAll() {
+    let params = {};
+    params.isVoiceRequest = 'true';
     return new Conference(this[clientKey])
-      .executeAction('', 'DELETE');
+      .executeAction('', 'DELETE', params);
   }
 
 /**
diff --git a/lib/resources/endpoints.js b/lib/resources/endpoints.js
index d3103b2..13e371b 100644
--- a/lib/resources/endpoints.js
+++ b/lib/resources/endpoints.js
@@ -36,6 +36,7 @@ export class Endpoint extends PlivoResource {
  * @fail {Error} return Error
  */
   update(params) {
+    params.isVoiceRequest = 'true';
     return super.update(params);
   }
 
@@ -46,7 +47,9 @@ export class Endpoint extends PlivoResource {
  * @fail {Error} return Error
  */
   delete() {
-    return super.delete();
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.delete(params);
   }
 
 }
@@ -74,7 +77,15 @@ export class EndpointInterface extends PlivoResourceInterface {
  * @fail {Error} return Error
  */
   get(id) {
-    return super.get(id);
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.get(id, params);
+  }
+
+  list() {
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.list(params);
   }
 
 /**
@@ -106,7 +117,7 @@ export class EndpointInterface extends PlivoResourceInterface {
     if (appId) {
       params.app_id = appId;
     }
-
+    params.isVoiceRequest = 'true';
     return super.create(params);
   }
 
diff --git a/lib/resources/recordings.js b/lib/resources/recordings.js
index 8f615b3..d5299b4 100644
--- a/lib/resources/recordings.js
+++ b/lib/resources/recordings.js
@@ -28,7 +28,9 @@ export class Recording extends PlivoResource {
  * @fail {Error} return Error
  */
   delete() {
-    return super.delete();
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.delete(params);
   }
 
 }
@@ -63,7 +65,24 @@ export class RecordingInterface extends PlivoResourceInterface {
     if (errors) {
       return errors;
     }
-    return super.get(id);
+    let params = {};
+    params.isVoiceRequest = 'true';
+    return super.get(id, params);
+  }
+
+  /**
+   * list recordings
+   * @method
+   * @param {object} params - params to list recordings
+   * @param {string} [params.subaccount] - ID of the subaccount if present
+   * @param {string} [params.callUuid] - Call UUID of the call to filter recordings associated with it
+   * @param {string} [params.addTime] - Filter based on the timings they were added
+   * @param {string} [params.limit] - Display no of results per page
+   * @param {string} [params.offset] - No of value items by which results should be offset
+   */
+  list(params= {}) {
+    params.isVoiceRequest = 'true';
+    return super.list(params);
   }
 
 /**
diff --git a/lib/rest/request.js b/lib/rest/request.js
index 2bb23fc..45ccf87 100644
--- a/lib/rest/request.js
+++ b/lib/rest/request.js
@@ -32,17 +32,23 @@ export function Request(config) {
       headers: headers,
       json: true
     };
-    
+    let apiVoiceUris = ['https://voice.plivo.com/v1/Account/','https://voice-usw1.plivo.com/v1/Account/','https://voice-use1.plivo.com/v1/Account/'];
+    let isVoiceReq = false;
     if (params) {
       if (params.hasOwnProperty('is_call_insights_request')) {
-          options.url = params.call_insights_base_url + params.call_insights_request_path;
-          delete params.is_call_insights_request;
-          delete params.call_insights_base_url;
-          delete params.call_insights_request_path;
-          delete options.formData;
-          options.json = params;
+        options.url = params.call_insights_base_url + params.call_insights_request_path;
+        delete params.is_call_insights_request;
+        delete params.call_insights_base_url;
+        delete params.call_insights_request_path;
+        delete options.formData;
+        options.json = params;
       }
-  }
+      else if (params.hasOwnProperty('is_voice_request')){
+        options.url = apiVoiceUris[0] + config.authId + '/' + action;
+        delete params.is_voice_request;
+        isVoiceReq = true;
+      }
+    }
 
     if (method === 'GET' && options.formData !== '') {
       let query = '?' + queryString.stringify(params);
@@ -64,22 +70,136 @@ export function Request(config) {
           return;
         }
 
-        const exceptionClass = {
-          400: Exceptions.InvalidRequestError,
-          401: Exceptions.AuthenticationError,
-          404: Exceptions.ResourceNotFoundError,
-          405: Exceptions.InvalidRequestError,
-          500: Exceptions.ServerError,
-        } [response.statusCode] || Error;
+        if(isVoiceReq === true){
+          if (response.statusCode >= 500){
+            options.url = apiVoiceUris[1] + config.authId + '/' + action;
+            if (method === 'GET' && options.formData !== '') {
+              let query = '?' + queryString.stringify(params);
+              options.url += query;
+            }
+            request(options,(error, response) => {
+              if(error){
+                reject(error);
+                return;
+              }
+              if(response.statusCode>=500){
+                options.url = apiVoiceUris[2] + config.authId + '/' + action;
+                if (method === 'GET' && options.formData !== '') {
+                  let query = '?' + queryString.stringify(params);
+                  options.url += query;
+                }
+                request(options, (error, response) => {
+                  if(error){
+                    reject(error);
+                    return;
+                  }
+                  const exceptionClass = {
+                    400: Exceptions.InvalidRequestError,
+                    401: Exceptions.AuthenticationError,
+                    404: Exceptions.ResourceNotFoundError,
+                    405: Exceptions.InvalidRequestError,
+                    500: Exceptions.ServerError,
+                  } [response.statusCode] || Error;
 
-        if (!_.inRange(response.statusCode, 200, 300)) {
-          body = body || response.body;
-          if (typeof body === 'object') {
-            reject(new exceptionClass(JSON.stringify(body)));
-          } else {
-            reject(new exceptionClass(body));
+                  if (!_.inRange(response.statusCode, 200, 300)) {
+                    body = body || response.body;
+                    if (typeof body === 'object') {
+                      reject(new exceptionClass(JSON.stringify(body)));
+                    } else {
+                      reject(new exceptionClass(body));
+                    }
+                  }
+                  // else {
+                    let body = response.body;
+                    let isObj = typeof _body === 'object' && _body !== null && !(_body instanceof Array) && !(_body instanceof Date)
+                    if (isObj) {
+                      _body['statusCode'] = response.statusCode;
+                    }
+                    resolve({
+                      response: response,
+                      body: body
+                    });
+                  // }
+                })
+              }
+              else {
+              const exceptionClass = {
+                400: Exceptions.InvalidRequestError,
+                401: Exceptions.AuthenticationError,
+                404: Exceptions.ResourceNotFoundError,
+                405: Exceptions.InvalidRequestError,
+                500: Exceptions.ServerError,
+              } [response.statusCode] || Error;
+
+              if (!_.inRange(response.statusCode, 200, 300)) {
+                body = body || response.body;
+                if (typeof body === 'object') {
+                  reject(new exceptionClass(JSON.stringify(body)));
+                } else {
+                  reject(new exceptionClass(body));
+                }
+              }
+              // else {
+                let body = response.body;
+                let isObj = typeof _body === 'object' && _body !== null && !(_body instanceof Array) && !(_body instanceof Date)
+                if (isObj) {
+                  _body['statusCode'] = response.statusCode;
+                }
+                resolve({
+                  response: response,
+                  body: body
+                });
+              }
+            })
           }
-        } else {
+          else {
+          const exceptionClass = {
+            400: Exceptions.InvalidRequestError,
+            401: Exceptions.AuthenticationError,
+            404: Exceptions.ResourceNotFoundError,
+            405: Exceptions.InvalidRequestError,
+            500: Exceptions.ServerError,
+          } [response.statusCode] || Error;
+
+          if (!_.inRange(response.statusCode, 200, 300)) {
+            body = body || response.body;
+            if (typeof body === 'object') {
+              reject(new exceptionClass(JSON.stringify(body)));
+            } else {
+              reject(new exceptionClass(body));
+            }
+          }
+          // else {
+            let body = response.body;
+            let isObj = typeof _body === 'object' && _body !== null && !(_body instanceof Array) && !(_body instanceof Date)
+            if (isObj) {
+              _body['statusCode'] = response.statusCode;
+            }
+            resolve({
+              response: response,
+              body: body
+            });
+          }
+        }
+
+        else {
+          const exceptionClass = {
+            400: Exceptions.InvalidRequestError,
+            401: Exceptions.AuthenticationError,
+            404: Exceptions.ResourceNotFoundError,
+            405: Exceptions.InvalidRequestError,
+            500: Exceptions.ServerError,
+          } [response.statusCode] || Error;
+
+          if (!_.inRange(response.statusCode, 200, 300)) {
+            body = body || response.body;
+            if (typeof body === 'object') {
+              reject(new exceptionClass(JSON.stringify(body)));
+            } else {
+              reject(new exceptionClass(body));
+            }
+          }
+          else {
           let body = response.body;
           let isObj = typeof _body === 'object' && _body !== null && !(_body instanceof Array) && !(_body instanceof Date)
           if (isObj) {
@@ -90,6 +210,7 @@ export function Request(config) {
             body: body
           });
         }
+        }
       });
     });
   };