feat: Voice channel creation Flow (#11775)

This PR introduces a new channel type for voice conversations.

ref: #11481 

## Changes

- Add database migration for channel_voice table with phone_number and
provider_config
- Create Channel::Voice model with E.164 phone number validation and
Twilio config validation
- Add voice channel association to Account model
- Extend inbox helpers and types to support voice channels
- Add voice channel setup UI with Twilio configuration form
- Include voice channel in channel factory and list components
- Add API routes and store actions for voice channel creation
- Add comprehensive translations for voice channel management

---------

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>

app/javascript/dashboard/components-next/icon/provider.js

@@ -13,6 +13,7 @@ export function useChannelIcon(inbox) {
     'Channel::WebWidget': 'i-ri-global-fill',
     'Channel::Whatsapp': 'i-ri-whatsapp-fill',
     'Channel::Instagram': 'i-ri-instagram-fill',
+    'Channel::Voice': 'i-ri-phone-fill',
   };
 
   const providerIconMap = {

app/javascript/dashboard/components-next/icon/specs/provider.spec.js

@@ -19,6 +19,12 @@ describe('useChannelIcon', () => {
     expect(icon).toBe('i-ri-whatsapp-fill');
   });
 
+  it('returns correct icon for Voice channel', () => {
+    const inbox = { channel_type: 'Channel::Voice' };
+    const { value: icon } = useChannelIcon(inbox);
+    expect(icon).toBe('i-ri-phone-fill');
+  });
+
   describe('Email channel', () => {
     it('returns mail icon for generic email channel', () => {
       const inbox = { channel_type: 'Channel::Email' };

app/javascript/dashboard/components-next/input/Input.vue

@@ -1,51 +1,21 @@
 <script setup>
-import { computed, ref, onMounted, nextTick } from 'vue';
+import { computed, ref, onMounted, nextTick, getCurrentInstance } from 'vue';
 const props = defineProps({
-  modelValue: {
-    type: [String, Number],
-    default: '',
-  },
-  type: {
-    type: String,
-    default: 'text',
-  },
-  customInputClass: {
-    type: [String, Object, Array],
-    default: '',
-  },
-  placeholder: {
-    type: String,
-    default: '',
-  },
-  label: {
-    type: String,
-    default: '',
-  },
-  id: {
-    type: String,
-    default: '',
-  },
-  message: {
-    type: String,
-    default: '',
-  },
-  disabled: {
-    type: Boolean,
-    default: false,
-  },
+  modelValue: { type: [String, Number], default: '' },
+  type: { type: String, default: 'text' },
+  customInputClass: { type: [String, Object, Array], default: '' },
+  placeholder: { type: String, default: '' },
+  label: { type: String, default: '' },
+  id: { type: String, default: '' },
+  message: { type: String, default: '' },
+  disabled: { type: Boolean, default: false },
   messageType: {
     type: String,
     default: 'info',
     validator: value => ['info', 'error', 'success'].includes(value),
   },
-  min: {
-    type: String,
-    default: '',
-  },
-  autofocus: {
-    type: Boolean,
-    default: false,
-  },
+  min: { type: String, default: '' },
+  autofocus: { type: Boolean, default: false },
 });
 
 const emit = defineEmits([
@@ -56,6 +26,10 @@ const emit = defineEmits([
   'enter',
 ]);
 
+// Generate a unique ID per component instance when `id` prop is not provided.
+const { uid } = getCurrentInstance();
+const uniqueId = computed(() => props.id || `input-${uid}`);
+
 const isFocused = ref(false);
 const inputRef = ref(null);
 
@@ -111,7 +85,7 @@ onMounted(() => {
   <div class="relative flex flex-col min-w-0 gap-1">
     <label
       v-if="label"
-      :for="id"
+      :for="uniqueId"
       class="mb-0.5 text-sm font-medium text-n-slate-12"
     >
       {{ label }}
@@ -119,7 +93,7 @@ onMounted(() => {
     <!-- Added prefix slot to allow adding icons to the input -->
     <slot name="prefix" />
     <input
-      :id="id"
+      :id="uniqueId"
       ref="inputRef"
       :value="modelValue"
       :class="[

app/javascript/dashboard/components/ChannelSelector.vue

@@ -17,7 +17,7 @@ export default {
   <button
     class="bg-white dark:bg-slate-900 cursor-pointer flex flex-col justify-end transition-all duration-200 ease-in -m-px py-4 px-0 items-center border border-solid border-slate-25 dark:border-slate-800 hover:border-woot-500 dark:hover:border-woot-500 hover:shadow-md hover:z-50 disabled:opacity-60"
   >
-    <img :src="src" :alt="title" class="w-1/2 my-4 mx-auto" />
+    <img :src="src" :alt="title" draggable="false" class="w-1/2 my-4 mx-auto" />
     <h3
       class="text-slate-800 dark:text-slate-100 text-base text-center capitalize"
     >

app/javascript/dashboard/components/widgets/ChannelItem.vue

@@ -41,6 +41,10 @@ export default {
         );
       }
 
+      if (key === 'voice') {
+        return this.enabledFeatures.channel_voice;
+      }
+
       return [
         'website',
         'twilio',
@@ -50,6 +54,7 @@ export default {
         'telegram',
         'line',
         'instagram',
+        'voice',
       ].includes(key);
     },
   },

app/javascript/dashboard/composables/useInbox.js

@@ -125,6 +125,10 @@ export const useInbox = () => {
     return channelType.value === INBOX_TYPES.INSTAGRAM;
   });
 
+  const isAVoiceChannel = computed(() => {
+    return channelType.value === INBOX_TYPES.VOICE;
+  });
+
   return {
     inbox,
     isAFacebookInbox,
@@ -142,5 +146,6 @@ export const useInbox = () => {
     is360DialogWhatsAppChannel,
     isAnEmailChannel,
     isAnInstagramChannel,
+    isAVoiceChannel,
   };
 };

app/javascript/dashboard/helper/inbox.js

@@ -10,6 +10,7 @@ export const INBOX_TYPES = {
   LINE: 'Channel::Line',
   SMS: 'Channel::Sms',
   INSTAGRAM: 'Channel::Instagram',
+  VOICE: 'Channel::Voice',
 };
 
 const INBOX_ICON_MAP_FILL = {
@@ -22,6 +23,7 @@ const INBOX_ICON_MAP_FILL = {
   [INBOX_TYPES.TELEGRAM]: 'i-ri-telegram-fill',
   [INBOX_TYPES.LINE]: 'i-ri-line-fill',
   [INBOX_TYPES.INSTAGRAM]: 'i-ri-instagram-fill',
+  [INBOX_TYPES.VOICE]: 'i-ri-phone-fill',
 };
 
 const DEFAULT_ICON_FILL = 'i-ri-chat-1-fill';
@@ -36,6 +38,7 @@ const INBOX_ICON_MAP_LINE = {
   [INBOX_TYPES.TELEGRAM]: 'i-ri-telegram-line',
   [INBOX_TYPES.LINE]: 'i-ri-line-line',
   [INBOX_TYPES.INSTAGRAM]: 'i-ri-instagram-line',
+  [INBOX_TYPES.VOICE]: 'i-ri-phone-line',
 };
 
 const DEFAULT_ICON_LINE = 'i-ri-chat-1-line';
@@ -47,6 +50,7 @@ export const getInboxSource = (type, phoneNumber, inbox) => {
 
     case INBOX_TYPES.TWILIO:
     case INBOX_TYPES.WHATSAPP:
+    case INBOX_TYPES.VOICE:
       return phoneNumber || '';
 
     case INBOX_TYPES.EMAIL:
@@ -85,6 +89,9 @@ export const getReadableInboxByType = (type, phoneNumber) => {
     case INBOX_TYPES.LINE:
       return 'line';
 
+    case INBOX_TYPES.VOICE:
+      return 'voice';
+
     default:
       return 'chat';
   }
@@ -124,6 +131,9 @@ export const getInboxClassByType = (type, phoneNumber) => {
     case INBOX_TYPES.INSTAGRAM:
       return 'brand-instagram';
 
+    case INBOX_TYPES.VOICE:
+      return 'phone';
+
     default:
       return 'chat';
   }

app/javascript/dashboard/i18n/locale/en/inboxMgmt.json

@@ -268,6 +268,46 @@
           "ERROR_MESSAGE": "We were not able to save the WhatsApp channel"
         }
       },
+      "VOICE": {
+        "TITLE": "Voice Channel",
+        "DESC": "Integrate Twilio Voice and start supporting your customers via phone calls.",
+        "PHONE_NUMBER": {
+          "LABEL": "Phone Number",
+          "PLACEHOLDER": "Enter your phone number (e.g. +1234567890)",
+          "ERROR": "Please provide a valid phone number in E.164 format (e.g. +1234567890)"
+        },
+        "TWILIO": {
+          "ACCOUNT_SID": {
+            "LABEL": "Account SID",
+            "PLACEHOLDER": "Enter your Twilio Account SID",
+            "REQUIRED": "Account SID is required"
+          },
+          "AUTH_TOKEN": {
+            "LABEL": "Auth Token",
+            "PLACEHOLDER": "Enter your Twilio Auth Token",
+            "REQUIRED": "Auth Token is required"
+          },
+          "API_KEY_SID": {
+            "LABEL": "API Key SID",
+            "PLACEHOLDER": "Enter your Twilio API Key SID",
+            "REQUIRED": "API Key SID is required"
+          },
+          "API_KEY_SECRET": {
+            "LABEL": "API Key Secret",
+            "PLACEHOLDER": "Enter your Twilio API Key Secret",
+            "REQUIRED": "API Key Secret is required"
+          },
+          "TWIML_APP_SID": {
+            "LABEL": "TwiML App SID",
+            "PLACEHOLDER": "Enter your Twilio TwiML App SID (starts with AP)",
+            "REQUIRED": "TwiML App SID is required"
+          }
+        },
+        "SUBMIT_BUTTON": "Create Voice Channel",
+        "API": {
+          "ERROR_MESSAGE": "We were not able to create the voice channel"
+        }
+      },
       "API_CHANNEL": {
         "TITLE": "API Channel",
         "DESC": "Integrate with API channel and start supporting your customers.",
@@ -789,7 +829,8 @@
       "TELEGRAM": "Telegram",
       "LINE": "Line",
       "API": "API Channel",
-      "INSTAGRAM": "Instagram"
+      "INSTAGRAM": "Instagram",
+      "VOICE": "Voice"
     }
   }
 }

app/javascript/dashboard/routes/dashboard/settings/inbox/ChannelFactory.vue

@@ -10,6 +10,7 @@ import Whatsapp from './channels/Whatsapp.vue';
 import Line from './channels/Line.vue';
 import Telegram from './channels/Telegram.vue';
 import Instagram from './channels/Instagram.vue';
+import Voice from './channels/Voice.vue';
 
 const channelViewList = {
   facebook: Facebook,
@@ -22,6 +23,7 @@ const channelViewList = {
   line: Line,
   telegram: Telegram,
   instagram: Instagram,
+  voice: Voice,
 };
 
 export default defineComponent({

app/javascript/dashboard/routes/dashboard/settings/inbox/ChannelList.vue

@@ -36,6 +36,7 @@ export default {
         { key: 'telegram', name: 'Telegram' },
         { key: 'line', name: 'Line' },
         { key: 'instagram', name: 'Instagram' },
+        { key: 'voice', name: 'Voice' },
       ];
     },
     ...mapGetters({

app/javascript/dashboard/routes/dashboard/settings/inbox/channels/Voice.vue

@@ -0,0 +1,184 @@
+<script setup>
+import { reactive, computed } from 'vue';
+import { useI18n } from 'vue-i18n';
+import { useRouter } from 'vue-router';
+import { useVuelidate } from '@vuelidate/core';
+import { required } from '@vuelidate/validators';
+import { useAlert } from 'dashboard/composables';
+import { isPhoneE164 } from 'shared/helpers/Validators';
+import { useStore, useMapGetter } from 'dashboard/composables/store';
+
+import PageHeader from '../../SettingsSubPageHeader.vue';
+import Input from 'dashboard/components-next/input/Input.vue';
+import NextButton from 'dashboard/components-next/button/Button.vue';
+
+const { t } = useI18n();
+const store = useStore();
+const router = useRouter();
+
+const state = reactive({
+  phoneNumber: '',
+  accountSid: '',
+  authToken: '',
+  apiKeySid: '',
+  apiKeySecret: '',
+  twimlAppSid: '',
+});
+
+const uiFlags = useMapGetter('inboxes/getUIFlags');
+
+const validationRules = {
+  phoneNumber: { required, isPhoneE164 },
+  accountSid: { required },
+  authToken: { required },
+  apiKeySid: { required },
+  apiKeySecret: { required },
+  twimlAppSid: { required },
+};
+
+const v$ = useVuelidate(validationRules, state);
+const isSubmitDisabled = computed(() => v$.value.$invalid);
+
+const formErrors = computed(() => ({
+  phoneNumber: v$.value.phoneNumber?.$error
+    ? t('INBOX_MGMT.ADD.VOICE.PHONE_NUMBER.ERROR')
+    : '',
+  accountSid: v$.value.accountSid?.$error
+    ? t('INBOX_MGMT.ADD.VOICE.TWILIO.ACCOUNT_SID.REQUIRED')
+    : '',
+  authToken: v$.value.authToken?.$error
+    ? t('INBOX_MGMT.ADD.VOICE.TWILIO.AUTH_TOKEN.REQUIRED')
+    : '',
+  apiKeySid: v$.value.apiKeySid?.$error
+    ? t('INBOX_MGMT.ADD.VOICE.TWILIO.API_KEY_SID.REQUIRED')
+    : '',
+  apiKeySecret: v$.value.apiKeySecret?.$error
+    ? t('INBOX_MGMT.ADD.VOICE.TWILIO.API_KEY_SECRET.REQUIRED')
+    : '',
+  twimlAppSid: v$.value.twimlAppSid?.$error
+    ? t('INBOX_MGMT.ADD.VOICE.TWILIO.TWIML_APP_SID.REQUIRED')
+    : '',
+}));
+
+function getProviderConfig() {
+  const config = {
+    account_sid: state.accountSid,
+    auth_token: state.authToken,
+    api_key_sid: state.apiKeySid,
+    api_key_secret: state.apiKeySecret,
+  };
+  if (state.twimlAppSid) config.outgoing_application_sid = state.twimlAppSid;
+  return config;
+}
+
+async function createChannel() {
+  const isFormValid = await v$.value.$validate();
+  if (!isFormValid) return;
+
+  try {
+    const channel = await store.dispatch('inboxes/createVoiceChannel', {
+      name: `Voice (${state.phoneNumber})`,
+      voice: {
+        phone_number: state.phoneNumber,
+        provider: 'twilio',
+        provider_config: getProviderConfig(),
+      },
+    });
+
+    router.replace({
+      name: 'settings_inboxes_add_agents',
+      params: { page: 'new', inbox_id: channel.id },
+    });
+  } catch (error) {
+    useAlert(
+      error.response?.data?.message ||
+        t('INBOX_MGMT.ADD.VOICE.API.ERROR_MESSAGE')
+    );
+  }
+}
+</script>
+
+<template>
+  <div
+    class="overflow-auto col-span-6 p-6 w-full h-full rounded-t-lg border border-b-0 border-n-weak bg-n-solid-1"
+  >
+    <PageHeader
+      :header-title="t('INBOX_MGMT.ADD.VOICE.TITLE')"
+      :header-content="t('INBOX_MGMT.ADD.VOICE.DESC')"
+    />
+
+    <form
+      class="flex flex-col gap-4 flex-wrap mx-0"
+      @submit.prevent="createChannel"
+    >
+      <Input
+        v-model="state.phoneNumber"
+        :label="t('INBOX_MGMT.ADD.VOICE.PHONE_NUMBER.LABEL')"
+        :placeholder="t('INBOX_MGMT.ADD.VOICE.PHONE_NUMBER.PLACEHOLDER')"
+        :message="formErrors.phoneNumber"
+        :message-type="formErrors.phoneNumber ? 'error' : 'info'"
+        @blur="v$.phoneNumber?.$touch"
+      />
+
+      <Input
+        v-model="state.accountSid"
+        :label="t('INBOX_MGMT.ADD.VOICE.TWILIO.ACCOUNT_SID.LABEL')"
+        :placeholder="t('INBOX_MGMT.ADD.VOICE.TWILIO.ACCOUNT_SID.PLACEHOLDER')"
+        :message="formErrors.accountSid"
+        :message-type="formErrors.accountSid ? 'error' : 'info'"
+        @blur="v$.accountSid?.$touch"
+      />
+
+      <Input
+        v-model="state.authToken"
+        type="password"
+        :label="t('INBOX_MGMT.ADD.VOICE.TWILIO.AUTH_TOKEN.LABEL')"
+        :placeholder="t('INBOX_MGMT.ADD.VOICE.TWILIO.AUTH_TOKEN.PLACEHOLDER')"
+        :message="formErrors.authToken"
+        :message-type="formErrors.authToken ? 'error' : 'info'"
+        @blur="v$.authToken?.$touch"
+      />
+
+      <Input
+        v-model="state.apiKeySid"
+        :label="t('INBOX_MGMT.ADD.VOICE.TWILIO.API_KEY_SID.LABEL')"
+        :placeholder="t('INBOX_MGMT.ADD.VOICE.TWILIO.API_KEY_SID.PLACEHOLDER')"
+        :message="formErrors.apiKeySid"
+        :message-type="formErrors.apiKeySid ? 'error' : 'info'"
+        @blur="v$.apiKeySid?.$touch"
+      />
+
+      <Input
+        v-model="state.apiKeySecret"
+        type="password"
+        :label="t('INBOX_MGMT.ADD.VOICE.TWILIO.API_KEY_SECRET.LABEL')"
+        :placeholder="
+          t('INBOX_MGMT.ADD.VOICE.TWILIO.API_KEY_SECRET.PLACEHOLDER')
+        "
+        :message="formErrors.apiKeySecret"
+        :message-type="formErrors.apiKeySecret ? 'error' : 'info'"
+        @blur="v$.apiKeySecret?.$touch"
+      />
+
+      <Input
+        v-model="state.twimlAppSid"
+        :label="t('INBOX_MGMT.ADD.VOICE.TWILIO.TWIML_APP_SID.LABEL')"
+        :placeholder="
+          t('INBOX_MGMT.ADD.VOICE.TWILIO.TWIML_APP_SID.PLACEHOLDER')
+        "
+        :message="formErrors.twimlAppSid"
+        :message-type="formErrors.twimlAppSid ? 'error' : 'info'"
+        @blur="v$.twimlAppSid?.$touch"
+      />
+
+      <div>
+        <NextButton
+          :is-loading="uiFlags.isCreating"
+          :disabled="isSubmitDisabled"
+          :label="t('INBOX_MGMT.ADD.VOICE.SUBMIT_BUTTON')"
+          type="submit"
+        />
+      </div>
+    </form>
+  </div>
+</template>

app/javascript/dashboard/routes/dashboard/settings/inbox/components/ChannelName.vue

@@ -29,6 +29,7 @@ const i18nMap = {
   'Channel::Line': 'LINE',
   'Channel::Api': 'API',
   'Channel::Instagram': 'INSTAGRAM',
+  'Channel::Voice': 'VOICE',
 };
 
 const twilioChannelName = () => {

app/javascript/dashboard/store/modules/inboxes.js

@@ -9,29 +9,7 @@ import { throwErrorMessage } from '../utils/api';
 import AnalyticsHelper from '../../helper/AnalyticsHelper';
 import camelcaseKeys from 'camelcase-keys';
 import { ACCOUNT_EVENTS } from '../../helper/AnalyticsHelper/events';
-
-const buildInboxData = inboxParams => {
-  const formData = new FormData();
-  const { channel = {}, ...inboxProperties } = inboxParams;
-  Object.keys(inboxProperties).forEach(key => {
-    formData.append(key, inboxProperties[key]);
-  });
-  const { selectedFeatureFlags, ...channelParams } = channel;
-  // selectedFeatureFlags needs to be empty when creating a website channel
-  if (selectedFeatureFlags) {
-    if (selectedFeatureFlags.length) {
-      selectedFeatureFlags.forEach(featureFlag => {
-        formData.append(`channel[selected_feature_flags][]`, featureFlag);
-      });
-    } else {
-      formData.append('channel[selected_feature_flags][]', '');
-    }
-  }
-  Object.keys(channelParams).forEach(key => {
-    formData.append(`channel[${key}]`, channel[key]);
-  });
-  return formData;
-};
+import { channelActions, buildInboxData } from './inboxes/channelActions';
 
 export const state = {
   records: [],
@@ -220,6 +198,12 @@ export const actions = {
       throw new Error(error);
     }
   },
+  ...channelActions,
+  // TODO: Extract other create channel methods to separate files to reduce file size
+  // - createChannel
+  // - createWebsiteChannel
+  // - createTwilioChannel
+  // - createFBChannel
   updateInbox: async ({ commit }, { id, formData = true, ...inboxParams }) => {
     commit(types.default.SET_INBOXES_UI_FLAG, { isUpdating: true });
     try {

app/javascript/dashboard/store/modules/inboxes/channelActions.js

@@ -0,0 +1,52 @@
+import * as types from '../../mutation-types';
+import InboxesAPI from '../../../api/inboxes';
+import AnalyticsHelper from '../../../helper/AnalyticsHelper';
+import { ACCOUNT_EVENTS } from '../../../helper/AnalyticsHelper/events';
+
+export const buildInboxData = inboxParams => {
+  const formData = new FormData();
+  const { channel = {}, ...inboxProperties } = inboxParams;
+  Object.keys(inboxProperties).forEach(key => {
+    formData.append(key, inboxProperties[key]);
+  });
+  const { selectedFeatureFlags, ...channelParams } = channel;
+  // selectedFeatureFlags needs to be empty when creating a website channel
+  if (selectedFeatureFlags) {
+    if (selectedFeatureFlags.length) {
+      selectedFeatureFlags.forEach(featureFlag => {
+        formData.append(`channel[selected_feature_flags][]`, featureFlag);
+      });
+    } else {
+      formData.append('channel[selected_feature_flags][]', '');
+    }
+  }
+  Object.keys(channelParams).forEach(key => {
+    formData.append(`channel[${key}]`, channel[key]);
+  });
+  return formData;
+};
+
+const sendAnalyticsEvent = channelType => {
+  AnalyticsHelper.track(ACCOUNT_EVENTS.ADDED_AN_INBOX, {
+    channelType,
+  });
+};
+
+export const channelActions = {
+  createVoiceChannel: async ({ commit }, params) => {
+    try {
+      commit(types.default.SET_INBOXES_UI_FLAG, { isCreating: true });
+      const response = await InboxesAPI.create({
+        name: params.name,
+        channel: { ...params.voice, type: 'voice' },
+      });
+      commit(types.default.ADD_INBOXES, response.data);
+      commit(types.default.SET_INBOXES_UI_FLAG, { isCreating: false });
+      sendAnalyticsEvent('voice');
+      return response.data;
+    } catch (error) {
+      commit(types.default.SET_INBOXES_UI_FLAG, { isCreating: false });
+      throw error;
+    }
+  },
+};

app/javascript/dashboard/store/modules/specs/inboxes/actions.spec.js

@@ -62,6 +62,28 @@ describe('#actions', () => {
     });
   });
 
+  describe('#createVoiceChannel', () => {
+    it('sends correct actions if API is success', async () => {
+      axios.post.mockResolvedValue({ data: inboxList[0] });
+      await actions.createVoiceChannel({ commit }, inboxList[0]);
+      expect(commit.mock.calls).toEqual([
+        [types.default.SET_INBOXES_UI_FLAG, { isCreating: true }],
+        [types.default.ADD_INBOXES, inboxList[0]],
+        [types.default.SET_INBOXES_UI_FLAG, { isCreating: false }],
+      ]);
+    });
+    it('sends correct actions if API is error', async () => {
+      axios.post.mockRejectedValue({ message: 'Incorrect header' });
+      await expect(actions.createVoiceChannel({ commit })).rejects.toThrow(
+        Error
+      );
+      expect(commit.mock.calls).toEqual([
+        [types.default.SET_INBOXES_UI_FLAG, { isCreating: true }],
+        [types.default.SET_INBOXES_UI_FLAG, { isCreating: false }],
+      ]);
+    });
+  });
+
   describe('#createFBChannel', () => {
     it('sends correct actions if API is success', async () => {
       axios.post.mockResolvedValue({ data: inboxList[0] });

app/javascript/shared/mixins/inboxMixin.js

@@ -63,6 +63,9 @@ export default {
     isATelegramChannel() {
       return this.channelType === INBOX_TYPES.TELEGRAM;
     },
+    isAVoiceChannel() {
+      return this.channelType === INBOX_TYPES.VOICE;
+    },
     isATwilioSMSChannel() {
       const { medium: medium = '' } = this.inbox;
       return this.isATwilioChannel && medium === 'sms';