Location cell SMS
Cell Phone SMS Tracker With Location
SMS , or text messaging, has replaced talking on the phone for a new "thumb generation" of texters. In this article, we'll find out how text messaging works, explore its uses and learn why it sometimes takes a while for your text message to get to its recipient. SMS stands for short message service. Simply put, it is a method of communication that sends text between cell phones, or from a PC or handheld to a cell phone.
The "short" part refers to the maximum size of the text messages: characters letters, numbers or symbols in the Latin alphabet. For other alphabets, such as Chinese, the maximum SMS size is 70 characters.
But how do SMS messages actually get to your phone? If you have read How Cell Phones Work , you can actually see what is happening. Even if you are not talking on your cell phone, your phone is constantly sending and receiving information. It is talking to its cell phone tower over a pathway called a control channel. The reason for this chatter is so that the cell phone system knows which cell your phone is in, and so that your phone can change cells as you move around. Every so often, your phone and the tower will exchange a packet of data that lets both of them know that everything is OK.
Your phone also uses the control channel for call setup.
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When someone tries to call you, the tower sends your phone a message over the control channel that tells your phone to play its ringtone. If it isn't, rather than downvoting, perhaps you can suggest another stackoverflow site to use for this specific question? The only thought so far would be to somehow get the cell towers used by working with cell phone providers in the targeted country. Note: This is not an attempt to track users location unknowingly else we wouldn't have created our custom SMS message application.
You can always do GSM tower triangulation first iPhone did that and you don't need to go to all operators - a lot of services out there. Its important to understand this because often there are multiple types of networks coexisting in the same country, which can result in varying performance of the positioning scheme used. Since your question specifically mentions GSM, lets stick to it. GSM cell triangulation encompasses different schemes for obtaining location info of the subscriber.
Broadly, these schemes fall in two categories: Network-based and Terminal-based.
Location based services
Network-based services require signaling in the operator's Core Network CN and could be triggered by an agreement with the operator. Technically, this occurs when a call is made or an SMS is sent to a pre-defined emergency number. For more technical details, refer to the ETSI spec [1].
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Terminal-based services are dependent on the presence of some location service on the mobile phone - GPS, Wi-Fi, Internet etc.. Learn more. Asked 8 years, 3 months ago.
Sending text messages (International SMS) | International Services | au
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Thank you so much for this Can you explain this triangulation approach some more please?