Pretty much the title, the latest issue is with iPhones. It felt like triple zero connectivity issues were a lot less common 15 years ago.

Source: cadbury162

3 Comments

  1. Adept-Pangolin1302 on

    No specific insight here and I am just assuming what might be going on based on my general knowledge of other similar type issues … but yes I think issues are becoming more common.

    I also think expectations have raised significantly for mobile devices to the point where a localised mobile service outage gets described with a focus on not being able to call 000 rather than peoples phones not working.

    Reasearch VoLTE and SIP interworking if you want to go down the rabbit hole.

    All it takes now is for one endpoint (handset) to be unable to negotiate a connection with another endpoint (some other device) and things like call drops , no ring tone etc occur. Calling into IVRs and getting silence was one that I recall being quite common and was often worked around by turning off VoLTE when it was still an option to do so.

    The absence of intermediate devices performing transcoding/protocol normalisation and more transparent end to end networks between endpoints can also result in issues.

  2. Select_Repeat_1609 on

    Yes.

    Telstra’s implementation of Triple Zero is fundamentally a 2G voice service with 3G-era data extensions. In a VoLTE and 5G world, with hundreds of smartphone brands with different radio firmware implementations, things rarely work smoothly.

    For example, the camp-on facility that lets your Vodafone or Optus SIM route a call through Telstra (when there’s no Optus or Voda coverage) is *not* instant like everyone assumes. It can take an entire minute of silence, waiting with 000 saying connected on your phone, before it switches.

    They may do most of it through software defined networking now, but it’s still somewhat like running Windows 95 software on a Windows 11 computer.

    Significant investment from government is needed to bring Triple Zero up to a truly modern technology stack. Telstra is not allowed to do that itself.

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