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    Forwarding SMS messages when cell signal unavailable ?

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    • O Offline
      oldbutndy
      last edited by oldbutndy

      Anyone know of a way to forward SMS messages to 2nd phone number, when main number is unavailable (weak cell, airplane mode, etc) ?

      After many weeks of asking questions (here and Google) regarding voice calls over WiFi, considering software solutions and mixed (hardware / software) solutions, I finally had the sense to ask about voice call forwarding to second phone which has functional WiFi calling. Google said 'possible'. Carrier said 'we support that'. [just requires 2nd phone line, and phone, and remembering to keep it charged. tedious but workable].
      I set it up & tested it. Seems to work !

      So, now the last critical problem is no SMS over WiFi, when cell signal is too weak.

      My requirement is communication with 'average' user, who has only OEM android or ios messaging installed on their phone. That rules out asking everyone I need to communicate with to add and learn new apps.

      Asking google about that, answer was that any SMS forwarding solution would be linked to WiFi calling.

      Can anyone shed light on options here ? or UT plans or progress (testing status, etc) ?

      O 1 Reply Last reply Reply Quote 0
      • O Offline
        oldbutndy @oldbutndy
        last edited by

        I found a temporary solution (passive antenna hardware under $100).
        Limited to 1 very specific location (semi-moveable), but it solves the main problem: ZERO cell signal in rural basement office/workshop.
        So, it might enable me to really start to use UT:

        I installed a directional outdoor cellular antenna ($30 ebay) on a pole outside, aimed it generally toward a cell tower (based on map search), connected 50 ft (17meter) of cable (single piece of coax), then indoor antenna ($12).
        No amplifier.
        Indoor antenna is mounted horizontally on a plastic base a few inches (75mm) above office desk (formica surface, on sheet metal frame), and set cell phone (Nord N10) on top.
        Phone now has enough 'bars' (3 or 4) to use voice calling and exchange SMS.
        Location is open workshop / office, so I should be able to hear ringing and most notifications.
        Preliminary testing, but initial results are encouraging.
        Only issue is, has to stay VERY close to antenna (and orientation probably matters. Not tested yet).
        I mention this solution because a no-amplifier system might work for others, and is fairly cost effective.

        I might still order a used amplifier, which would enable moving phone away from the antenna (to anywhere in room).

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