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Disaster Voice Messaging Service

  • Send messages from your au smartphone. To use this service, the au Disaster Countermeasures app is required.
    You can also send messages from an au mobile phone.
    For details about compatible models, click here.

Service introduction

Free information charges

Disaster Voice Messaging Service is a service for delivering a voice message recorded with an au smartphone to your loved ones in the event of a large-scale disaster, letting them know your safety.
As this service uses packet communications, you can confirm the safety of your families, relatives, and friends even when voice communication networks are congested in the event of a large-scale disaster.

  • *The exchange of voice mail messages is possible between the mobile phones of between au mobile phones, other operators mobile phone, and PHS.
  • *This service is available only within Japan (unavailable overseas).
  • *No information charges are required. Packet communication charges are separately incurred.
Usage Image of Disaster Voice Messaging Service

Details of Disaster Voice Messaging Service

Functions Details
Conditions of service provision In the event of large-scale disasters including an earthquake measured a lower 6 or greater on the Japanese seismic intensity scale.
Service area Nationwide service area (Unavailable overseas)
Compatible models (Outgoing messages)

au Android™ smartphone (excluding IS01), iPhone

  • *The latest version of the "au Disaster Countermeasures" app must be installed.
Compatible models (Incoming messages) au Android™ smartphones (excluding IS01), iPhone, Windows® Phone IS12T, SMS (C-mail) compatible au mobile phones (excluding mamorino, mamorino2, mamorino3, Mi-look)
Maximum recordable time 30 seconds (per voice message)
Voice message storage period Up to 72 hours per message
A voice message is stored even while a mobile phone is out of the service area, or turned off. Once a voice message is stored, it is repeatedly transmitted to a recipient (retry function).

Trial Service for Disaster Voice Messaging Service

KDDI provides a trial service, allowing users to try the Disaster Voice Messaging Service.

〈Service provision period〉

  • From 0:00 to 24:00 on the 1st and 15th of every month
    From 12:00 on January 1 to 24:00 on January 3
  • The government-designated "Disaster Prevention Week (August 30 to September 5)" and "Disaster Prevention and Volunteer Week (January 15 to January 21)".

    • *The trial service is halted in the event of an actual disaster.

How to use

How to send a message

au Android™ smartphones and iPhone

Proceed in the following order: On the menu screen of the "au Disaster Countermeasures" app → Choose "Send a voice message" from [Disaster Voice Messaging Service] and then [(1) Choose a recipient] (a recipient can be also selected from the address book) → [(2) Record a voice message to send]

How to receive a message

au Android™ smartphones (Receive a message with the "au Disaster Countermeasures" app)

When the "au Disaster Countermeasures" app receives a voice message, you will be notified with a pop-up screen. You can hear the message by receiving (downloading) and playing it.

  • *When the service starts, you will receive a notification stating "The service has started" and the "au Disaster Countermeasures" app may be launched.

Other au mobile phones, iPhone and Windows® Phone IS12T

If a recipient uses an Android™ smartphone, iPhone, Windows® hone IS12T or au mobile phone, and the "au Disaster Countermeasures" app for the Disaster Voice Messaging Service is not activated, a message is sent through SMS (C-mail).
By clicking the link (http://sdp02.ezweb.ne.jp/~) in the SMS (C-mail) message, a recipient can receive (download) and play a voice message.

  • *If a voice message is sent through SMS (C-mail), the information is not saved on the "au Disaster Countermeasures" app.

Notes

  • *Voice messages can be sent/received through the 3G / WiMAX / 4G LTE network.
  • *Turn off wireless LAN communications, such as Wi-Fi, before using the service.
  • *The exchange of voice mail messages is possible between the mobile phones of between au mobile phones, other operators mobile phone, and PHS.
  • *When the media volume is too low, or the manner mode is set, you may not able to hear the voice message.
  • *Make sure to turn off wireless LAN communications, such as Wi-Fi, before receiving a voice message.
  • *If no SD card is inserted to your au smartphone, or there is not enough free space on the SD card, you may not be able to save or play a voice message.
  • *If your mobile phone does not support incoming voice messages, you cannot receive a voice message even if you receive an SMS (C-mail).
  • *Once a voice message is received and played, it will be deleted from the server after one hour.

To customers who updated the OS on their ISW12HT, SOL21, PTL21, SHT21, or SHL21

After updating the OS on the HTC EVO 3D ISW12HT, Xperia VL SOL21, VEGA PTL21, AQUOS PAD SHT21, and AQUOS PHONE SERIE SHL21, a message may appear saying that au Disaster Countermeasures has been terminated due to an error when starting the device or app, and the app may not operate properly.
To resolve this problem, please update to the latest au Disaster Countermeasures app.

  • * If "Update" is not displayed, you do not need to update the app.
  • * If your au ID is not set, update the app after setting your au ID.
  • * Please note that in order to reliably use all the functions of this app when a large-scale disaster occurs, this app may automatically check the server for update statuses and update to the latest version.