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Thread: "No Network" vs. "No Service"

  1. #1
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    "No Network" vs. "No Service"

    I 'm assuming that a non-satellite capable phone can't make a 911 emergency call when "No Network" is displayed. But a non-activated 4g/LTE unlocked iPhone in a strong signal area showing "No Service" can make a 911 call.

    Yes, no?
    Last edited by Serial Port; 01-18-2023 at 11:38 AM.

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    Quote Originally Posted by ChasHam View Post
    I 'm assuming that a non-satellite capable phone can't make a 911 emergency call when "No Network" is displayed. But a non-activated 4g/LTE unlocked iPhone in a strong signal area showing "No Service" can make a 911 call.

    Yes, no?

    I'm not 100% sure but I believe phones can make emergency calls with any usable network signal of any (or perhaps certain) network providers it can find.

    So unless there is nothing around at all, and "No Network" means that, or basically, no reception or network coverage by any service provider at all, it can make an emergency call.

    My deactivated and unlocked Samsung A20 without a sim in it can make emergency calls.


    Here is something I found don't know if current/accurate:

    Name:  Capture.JPG
Views: 81
Size:  56.9 KB


    Also:

    How Can Mobile Phones Make ‘Emergency Calls’ When There’s No Network Coverage?

    https://www.scienceabc.com/innovatio...-coverage.html
    Last edited by Serial Port; 01-18-2023 at 11:32 AM. Reason: typo

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    Tomseys, thanks for posting that article. It confirmed exactly what I was getting ready to post in a clear, concise manner in more detail than I could have stated myself. Good source of information for anyone who ever wondered about this very type of question.

    Never forget, there are few users/owners of satellite phones currently, mostly due to cost. Even with a satellite phone, there must be a line of sight to connect.

    For example, if you are in an underground bunker trying to use a cellular phone/device, there is no satellite connection without an external antenna. Wi-Fi is a horse of another color......
    Just another day in paradise.....

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