When an Android machine signifies a message was despatched as SMS by a server, it signifies that the textual content message didn’t originate instantly from the machine’s SIM card utilizing the usual mobile community. As an alternative, the message was routed by an middleman server earlier than being delivered to the recipient. This course of entails using an web connection to transmit the message information to a chosen server, which then forwards it as a normal SMS to the supposed telephone quantity. A typical instance is the performance supplied by sure messaging apps that provide SMS capabilities alongside their internet-based messaging options.
The utilization of a server to relay SMS messages presents a number of benefits. It might allow message supply even when the sender’s machine has restricted or no mobile sign, so long as there’s an energetic web connection (Wi-Fi or cell information). This methodology also can scale back prices, significantly when worldwide SMS charges are excessive, because the app supplier could have agreements that enable for cheaper SMS transmission. Moreover, it permits for options like message logging, analytics, and probably enhanced safety protocols, that are harder to implement with conventional SMS. Traditionally, this methodology has been essential in areas with unreliable mobile infrastructure or the place community suppliers cost extreme SMS charges.