@John841 depends on who sent the text. Sky do use txts but they dont come from a single point as they have multiple customer service crntres. However if the engineer is working for Openreach they often send texts as well. If you are concerned about identifying the engineer when they call ask to see their id befire letting them in.
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65inch Sky Glass, 3 Sky Streaming Pucks, Sky Ultrafast + and Sky SR213(white Wifi Max hub) main Wifi from 3 TP-Link Deco M4 units in access point mode
