diff --git a/.eslintrc.json b/.eslintrc.json
index d81ce6d5..cabb9306 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -8,7 +8,7 @@
       "jsx": false,
       "modules": false
     },
-    "ecmaVersion": 2017 
+    "ecmaVersion": 2018 
   },
   "plugins": ["promise"],
   "rules": {
diff --git a/lib/tasks/dial.js b/lib/tasks/dial.js
index d4570474..60ef5c5b 100644
--- a/lib/tasks/dial.js
+++ b/lib/tasks/dial.js
@@ -328,6 +328,7 @@ class TaskDial extends Task {
             if (this.results.dialCallStatus !== CallStatus.Completed) {
               Object.assign(this.results, {
                 dialCallStatus: obj.callStatus,
+                dialSipStatus: obj.sipStatus,
                 dialCallSid: sd.callSid,
               });
             }
@@ -436,6 +437,7 @@ class TaskDial extends Task {
 
     Object.assign(this.results, {
       dialCallStatus: CallStatus.Completed,
+      dialSipStatus: 200,
       dialCallSid: sd.callSid,
     });
 
diff --git a/lib/utils/requestor.js b/lib/utils/requestor.js
index 91a9edcc..a1a7e009 100644
--- a/lib/utils/requestor.js
+++ b/lib/utils/requestor.js
@@ -1,7 +1,7 @@
 const bent = require('bent');
 const parseUrl = require('parse-url');
 const assert = require('assert');
-const snakeCaseKeys = require('snakecase-keys');
+const snakeCaseKeys = require('./snakecase-keys');
 const toBase64 = (str) => Buffer.from(str || '', 'utf8').toString('base64');
 
 function basicAuth(username, password) {
@@ -62,7 +62,7 @@ class Requestor {
    * @param {object} [params] - request parameters
    */
   async request(hook, params) {
-    const payload = params ? snakeCaseKeys(params, {exclude: ['customerData', 'sip']}) : null;
+    const payload = params ? snakeCaseKeys(params, ['customerData', 'sip']) : null;
     const url = hook.url || hook;
     const method = hook.method || 'POST';
     const {username, password} = typeof hook === 'object' ? hook : {};
diff --git a/lib/utils/snakecase-keys.js b/lib/utils/snakecase-keys.js
new file mode 100644
index 00000000..3ce9bc25
--- /dev/null
+++ b/lib/utils/snakecase-keys.js
@@ -0,0 +1,22 @@
+const snakeCase = require('to-snake-case');
+
+const isObject = (value) => typeof value === 'object' && value !== null;
+
+const snakeObject = (obj, excludes) => {
+  const target = {};
+
+  for (const [key, value] of Object.entries(obj)) {
+    if (excludes.includes(key)) {
+      target[key] = value;
+      continue;
+    }
+    const newKey = snakeCase(key);
+    const newValue = isObject(value) ? snakeObject(value, excludes) : value;
+    target[newKey] = newValue;
+  }
+  return target;
+};
+
+module.exports = (obj, excludes = []) => {
+  return snakeObject(obj, excludes);
+};
diff --git a/package-lock.json b/package-lock.json
index 7392e173..fb086b56 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,10 +21,11 @@
         "drachtio-srf": "^4.4.48",
         "express": "^4.17.1",
         "ip": "^1.1.5",
+        "map-obj": "^4.2.1",
         "moment": "^2.29.1",
         "parse-url": "^5.0.2",
         "pino": "^6.11.1",
-        "snakecase-keys": "^3.2.1",
+        "to-snake-case": "^1.0.0",
         "uuid": "^8.3.2",
         "verify-aws-sns-signature": "^0.0.6",
         "xml2js": "^0.4.23"
@@ -4269,18 +4270,6 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "dev": true
     },
-    "node_modules/snakecase-keys": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/snakecase-keys/-/snakecase-keys-3.2.1.tgz",
-      "integrity": "sha512-CjU5pyRfwOtaOITYv5C8DzpZ8XA/ieRsDpr93HI2r6e3YInC6moZpSQbmUtg8cTk58tq2x3jcG2gv+p1IZGmMA==",
-      "dependencies": {
-        "map-obj": "^4.1.0",
-        "to-snake-case": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/sonic-boom": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-1.3.2.tgz",
@@ -8691,15 +8680,6 @@
         }
       }
     },
-    "snakecase-keys": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/snakecase-keys/-/snakecase-keys-3.2.1.tgz",
-      "integrity": "sha512-CjU5pyRfwOtaOITYv5C8DzpZ8XA/ieRsDpr93HI2r6e3YInC6moZpSQbmUtg8cTk58tq2x3jcG2gv+p1IZGmMA==",
-      "requires": {
-        "map-obj": "^4.1.0",
-        "to-snake-case": "^1.0.0"
-      }
-    },
     "sonic-boom": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-1.3.2.tgz",
diff --git a/package.json b/package.json
index a0bb3c42..c79907d4 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "moment": "^2.29.1",
     "parse-url": "^5.0.2",
     "pino": "^6.11.1",
-    "snakecase-keys": "^3.2.1",
+    "to-snake-case": "^1.0.0",
     "uuid": "^8.3.2",
     "verify-aws-sns-signature": "^0.0.6",
     "xml2js": "^0.4.23"