General Information on the upcoming Cocos Islands 4G LTE Network

The main aims of the network are to:

  • Provide a 4G LTE data service for residents and visitors.
  • Provide 4G LTE network coverage for the majority of the main Cocos Islands atoll and lagoon, including ferry routes across the lagoon.

Connection options to the Network.  These include to use either:

  • SIM card for the local network direct in phone (residents only)
  • 4G LTE WiFi Router (aka MiFi or Dongle) – small network device that has SIM card inside and provides a WiFi network for your device (phone, iPad, laptop) to connect to.

Compatible Devices

  • Handsets need to be Network Unlocked
  • Most handsets compatible

Calling options on the 4G LTE Data Service are:

  • All “Chat apps” are supported.  These include:
    • Messenger
    • Whatsapp, Telegram, Signal, Viber, WeChat etc.  Note that these Apps may need to be preregistered on your phone via your mainland mobile number.
  • Skype – can also have a traditional number to make and receive phone calls on
  • WiFi calling – available if using a MiFi device (see below)
  • eSIM using Mobile Data – See below
  • The network will NOT have Voice over LTE (VoLTE) capability or SMS.  This means your standard phone dialer will not work and there will be no 04 numbers available.
    VoLTE may be a future possibility, however is not in the initial project scope.
  • Voice over IP – See below

Indicative Monthly Pricing for Post-Paid Accounts:

  • Residential 5GB – $25
  • Residential 10GB – $45
  • Corporate 5GB – $45
  • Corporate 10GB – $65

Residential Plans listed above only for Cocos Islands residents and island based businesses.
Initial Account set up & SIM card cost – $30 residents, $50 Corporate

PrePaid – Visitors can rent a MiFi device and purchase pre-paid data from the Cocos Community Resource Centre (CRC).  Contact CRC on cocosislands@crc.net.au to pre-arrange.


WiFi Calling (General Info)

Telstra have announced that WiFi SMS is now available.

For info & to check if you have a compatible handset please see Telstra WiFi Calling & SMS

How to Enable SMS Over Wifi On iPhone

  • Upgrade to the latest iOS 13.4 or higher
  • Settings > General > About
  • Your device will have already updated the carrier settings or it will ask you to
  • Restart your device
  • To check it has worked, go to Settings > General > About > Service Provider and the IMS says ‘Voice and SMS

eSIM using Mobile Data

Telstra, Optus, and Vodafone all allow you to use an eSIM instead of a physical SIM if you have a compatible device, such as an iPhone 11 or Pixel 4 or newer. If you opt for an eSIM, this keeps your physical SIM slot free for a Cocos 4G SIM. This essentially turns your phone into a dual SIM phone.

Example image below is an iPhone XS with a Telstra eSIM on the Cocos 4G network.  Telstra mobile calls are possible over the Cocos 4G network.

IOTT VoIP (residents only)

IOTT can provide a 08 9130 88xx number that can be used on your mobile (via a 3rd party App).  Separate billing for number and outbound calls will apply.
$20 per month including all calls to Australian Landline & Mobile numbers.
Free calls between other IOTT VoIP numbers.  

Example below is showing setup using BRIA (VoIP) App setup with 08 9130 8880 number.  2nd image shows lower than default refresh interval to assist keeping the VoIP number online.