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VOLTE SUPPORT

VoLTE or Voice over LTE is technology that enables voice calls on our 4G network.

It delivers some great improvements to voice calling. You can experience faster call connection times compared to 3G, and talk and browse at the same time using 4G. Plus, just like our 3G network, 4G voice calls are high definition (HD) for sharp, clear call quality.


FAQS

WHERE IS VoLTE AVAILBLE?

VoLTE is available to all locations where there is Optus 4G coverage.

AM I ELIGIBLE FOR THE OPTUS VoLTE SERVICE?

VoLTE is available to eligible Optus consumer and SMB postpaid customers using compatible VoLTE phones.

CAN I MAKE 4G VOICE CALLS TO EMERGENCY 000?

All Optus supplied VoLTE compatible handsets can make calls to Triple Zero (000) on VoLTE. Your call will be sent as normal to your chosen Emergency Service (Police, Ambulance, Fire). For other VoLTE compatible handsets that have not been supplied by Optus there may be limitations on calling Triple Zero on VoLTE in an area with no underlying 3G coverage.

Don't forget to download the Emergency+ App.

I HAVE AN OPTUS VoLTE COMPATIBLE DEVICE. WHAT DO I NEED TO DO?

To make Triple Zero emergency calls over the 4G network, you'll need to update your device with the latest software. Once software is downloaded, recheck your settings to ensure 4G voice is switched on.

Please see the list of compatible devices below. These devices support VoLTE (4G voice) and calls to Triple Zero where indicated.

WHAT DEVICES ARE OPTUS VoLTE COMPATIBLE?

Right now, VoLTE is available on the below devices.

Apple iPhone

The following iPhone devices are supported on postpaid plans by the Optus VoLTE (4G Voice) service. These devices, when running the iOS software version 10.2.1 (or later) also support emergency calls to Triple Zero over the 4G Network.

  • iPhone 8
  • iPhone 8 Plus
  • iPhone 7
  • iPhone 7 Plus
  • iPhone 6
  • iPhone 6 Plus
  • iPhone 6s
  • iPhone 6s Plus
  • iPhone SE

For a step by step guide on how to check the software version on your phone click here.

Samsung

The following Samsung devices, when purchased from Optus on a postpaid plan, are supported by the Optus VoLTE (4G voice) service. These devices, noted by their ‘Build number’ also support emergency calls to Triple Zero over the 4G Network.

  • Samsung Galaxy Note 8 (Emergency Calls Build Number NMF26X.N950FXXU1AQH4)
  • Samsung Galaxy S8 (Emergency Calls Build Number NRD90M.G950FXXU1AQC9)
  • Samsung Galaxy S8 Plus (Emergency Calls Build Number NRD90M.G955FXXU1AQC9)
  • Samsung Galaxy S7 (Emergency Calls Build Number NRD90M.G930FXXU1DQBH)
  • Samsung Galaxy S7 Edge (Emergency Calls Build Number NRD90M.G935FXXU1DQBH)
  • Samsung Galaxy S6 (Emergency Calls Build Number NRD90M.G920IDVU3FQH3)
  • Samsung Galaxy S6 Edge (Emergency Calls Build Number NRD90M.G925IDVU3FQH3)
  • Samsung Galaxy S6 Edge Plus (Emergency Calls Build Number NRD90M.G928IDVU3CQF3)
  • Samsung Galaxy Note 5 (Emergency Calls Build Number NRD90M.N920IDVU3CQF3)
  • Samsung Galaxy A5 2017 (Emergency Calls Build Number MMB29K.A520FXXU1AQB7)

The Emergency call “Build number” appears in the Settings feature on your VoLTE device. It confirms that emergency calls to Triple Zero can be made on the 4G VoLTE network.

Check the build number of your device by going to Settings>About Device>Software Info.

LG

The following LG device is supported on postpaid plans by the Optus VoLTE service:

  • LG G5

HTC

The following HTC devices are supported on postpaid plans by the Optus VoLTE service:

  • HTC 10
  • HTC U11

Sony

The following Sony device is supported on postpaid plans by the Optus VoLTE service:

  • Sony Xperia XZ Premium

Check back here regularly as we will be updating this page as more devices become available.

HOW DO I CHECK I'M RUNNING THE LATEST DEVICE SOFTWARE ON MY PHONE?

Apple iPhone

For Apple devices you will need to ensure your are running software version iOS 9.3.2 (or later) and your iPhone Service Provider settings are up to date (Version OPTUS 24.1).

Optus recommends you connect to a WiFi network while updating the software/carrier settings on your mobile phone.

For a step by step guide on how to check the software version on your phone click here.

To update your iPhone software

  • Tap Settings.
  • Tap General.
  • Tap Software Update. If a new software version is available, it's displayed. Follow the instructions on the screen to update the software on your mobile phone.

To check whether your running the latest Service Provider settings

  • Tap Settings.
  • Tap General.
  • Tap About. Under Service Provider, Optus 24.1 will display.

Samsung

You'll need to make sure your Samsung device is running the latest software build that supports VoLTE.

  • Samsung Galaxy Note 8 (Emergency Calls Build Number NMF26X.N950FXXU1AQH4)
  • Samsung Galaxy S8 (Emergency Calls Build Number NRD90M.G950FXXU1AQC9)
  • Samsung Galaxy S8 Plus (Emergency Calls Build Number NRD90M.G955FXXU1AQC9)
  • Samsung Galaxy S7 (Emergency Calls Build Number NRD90M.G930FXXU1DQBH)
  • Samsung Galaxy S7 Edge (Emergency Calls Build Number NRD90M.G935FXXU1DQBH)
  • Samsung Galaxy S6 (Emergency Calls Build Number NRD90M.G920IDVU3FQH3)
  • Samsung Galaxy S6 Edge (Emergency Calls Build Number NRD90M.G925IDVU3FQH3)
  • Samsung Galaxy S6 Edge Plus (Emergency Calls Build Number NRD90M.G928IDVU3CQF3)
  • Samsung Galaxy Note 5 (Emergency Calls Build Number NRD90M.N920IDVU3CQF3)
  • Samsung Galaxy A5 2017 (Emergency Calls Build Number MMB29K.A520FXXU1AQB7)

For a step by step guide on how to check the software version on your phone click here.

Optus recommends you connect to a WiFi network while updating the software on your mobile phone.

To update your Samsung software

  • Find the Settings Application and open it up.
  • Scroll down to the line About Device and select.
  • Select Software Update.
  • Press Update now.

If you need help updating your Samsung software, check out our interactive device manuals here

LG

You'll need to make sure your LG G5 is running the latest software (Software version: LG G5 Baseband: V10k-505-02).

For a step by step guide on how to check the software version on your phone click here.

Optus recommends you connect to a WiFi network while updating the software on your mobile phone.

To update your LG software

  • Find the Settings Application and open it up.
  • Scroll down to the line About Device and select.
  • Select Software Update.
  • Press Update now.

If you need help updating your LG G5 software, check out our interactive device manuals here.

The LG G5 comes with VoLTE switched on by default.

HTC

You'll need to make sure your HTC device is running the latest software version 2.42.710.2

Optus recommends you connect to a WiFi network while updating the software on your mobile phone.

To update your HTC software

  • Find the Settings Application and open it up.
  • Scroll down to About Device and select.
  • Select Software Update.
  • Press Update now.

The HTC 10 and HTC U11 come with VoLTE switched on by default.

HOW DO I GET VoLTE?

Customers will need to turn 4G voice on in their device network settings.

Apple iPhone

Once the Service Provider Settings have been updated follow the below steps to request 4G voice

  • Tap Settings icon on Home screen
  • Tap Mobile menu item
  • Tap Mobile Data Options menu item
  • Tap Enable 4G menu item
  • Select the Voice & Data option to enable VoLTE
  • Settings Menu - VoLTE off
  • Settings Menu - VoLTE on

Samsung

Once the latest software is installed, go into settings to request the 4G voice service and follow the prompts.

  • Open Apps icon
  • Locate Settings Icon
  • Click Mobile Networks
  • Select VoLTE to enable on the device.
  • Settings Menu - VoLTE off
  • Settings Menu - VoLTE on

LG

The LG G5 comes with VoLTE switched on by default, so you won't need to do anything to begin using it. Once switched on, your mobile service will be added to our VoLTE activation list.

Should you want to switch it off though, please follow the below steps.

For the LG G5:

  • Open Settings
  • Click Mobile Networks
  • Select VoLTE to disable/enable on the device.

HTC

The HTC 10 and HTC U11 come with VoLTE switched on by default, so you won't need to do anything to begin using it. Once switched on, your mobile service will be added to our VoLTE activation list.

Should you want to switch it off though, please follow the below steps:

  • Open Settings
  • Select Call
  • Select Voice over LTE checkbox to disable/enable VoLTE on the device.

HOW WILL I KNOW WHEN I'M USING VoLTE?

Once VoLTE is activated, iPhone customers will continue to see the 4G icon display on your handset.

Compatible android handset customers, will see VoLTE next to the 4G icon in the phone screen, when in a VoLTE coverage area. During a 4G voice call, you will also see an HD icon in the calling screen.

WHAT WILL IT COST TO MAKE CALLS USING VoLTE?

VoLTE calls will be charged in exactly the same way as 3G voice calls. There are no additional charges for making calls on the 4G network.


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