This app is for AT&T landline voicemail, not mobile phone voicemail. Make sure you have your AT&T home or office voicemail PIN prior to downloading this app. The AT&T Voicemail Viewer app makes it easier to stay on top of your Voicemail or Unified Messaging voicemail messages directly from your Android device. Like looking at messages in your email inbox, Voicemail Viewer lists your messages, allowing you to choose the order in which you listen to them. The App may include a voicemail-to-text feature (VMTT) that provides automated transcription of your voicemail. Residential landline phone service VMTT is included with Voicemail Viewer for AT&T Phone VMTT is included with Voicemail Viewer for traditional phone service with Voicemail or Unified Messaging Business landline phone service VMTT is included with Voicemail Viewer for AT&T Phone VMTT is not available with Voicemail Viewer for traditional phone service with Voicemail or Unified Messaging Voicemail Viewer does not work with all Android devices or all OS versions. For more information and help, AT&T residential customers may visit our AT&T Voicemail Viewer web site at att.com/vmviewer and business customers may visit um.att.com/vmviewer. If you are having trouble signing into or using this app, please contact us at 800.288.2020 (Voicemail) or 888.300.6500 (Unified Messaging) and be prepared to provide: Your landline phone number associated with your mailbox The device you are using to access the app The problem that you are experiencing