diff --git a/app/javascript/dashboard/routes/dashboard/settings/inbox/settingsPage/VoiceConfigurationPage.vue b/app/javascript/dashboard/routes/dashboard/settings/inbox/settingsPage/VoiceConfigurationPage.vue
index ab9a147a1..c3d429e3c 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/inbox/settingsPage/VoiceConfigurationPage.vue
+++ b/app/javascript/dashboard/routes/dashboard/settings/inbox/settingsPage/VoiceConfigurationPage.vue
@@ -34,7 +34,7 @@ export default {
       return !!this.inbox.api_key_sid;
     },
     hasExistingCredentials() {
-      return this.hasApiKeySid;
+      return this.hasApiKeySid && !!this.inbox.has_api_key_secret;
     },
     needsCredentials() {
       return (
diff --git a/app/views/api/v1/models/_inbox.json.jbuilder b/app/views/api/v1/models/_inbox.json.jbuilder
index d54cf3545..facb187a8 100644
--- a/app/views/api/v1/models/_inbox.json.jbuilder
+++ b/app/views/api/v1/models/_inbox.json.jbuilder
@@ -135,6 +135,7 @@ end
 if resource.twilio? && resource.channel.respond_to?(:voice_enabled?)
   json.voice_enabled resource.channel.voice_enabled?
   json.voice_configured resource.channel.try(:twiml_app_sid).present?
+  json.has_api_key_secret resource.channel.try(:api_key_secret).present?
   if resource.channel.try(:twiml_app_sid).present?
     json.voice_call_webhook_url resource.channel.try(:voice_call_webhook_url)
     json.voice_status_webhook_url resource.channel.try(:voice_status_webhook_url)