Is it possible to find out by phone number whether a subscriber is online without dialing it?

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sivabur2015-09-20 18:32:41

API

sivabur, 2015-09-20 18:32:41

Perhaps there are some protocols or api, for example, send SMS and see the delivery report or mms or something else? or there are services that provide it.

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2 answer(s)

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JhaoDa, 2015-09-20
@sivabur

For example, smsc.ru/api/http/#send , ping parameter. Or extended information - smsc.ru/api/http/#hlr.

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Sergey Shchuchkin, 2019-02-11
@shuchkin

HLR requests and PING messages
https://smspilot.ru/test.php