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Samsung patents server method for routing SMS via satellite or LTE

Samsung describes a server system that decides how to send text messages from a phone to another device. The server checks if the recipient is connected to a satellite network or a standard cellular network, then routes the message through the appropriate path.

Why it mattersThis filing outlines a technical method for ensuring text messages are delivered reliably when devices switch between satellite and cellular connections.

In the filing’s own words

A server is configured to: set a TP-RP on an electronic device based on; transmit an SMSC number of the server and an address of an external device to a number of the electronic device; control the electronic device to transmit an SMS to the external device using the SMSC number and the address of the external device based on the TP-RP value; transmit a message using a non-terrestrial network or transmit an SMS to an LTE network based on a connection state of the external device to the non-terrestrial network; transmit a message indicating that SMS transmission is completed to the electronic device based on completion of the message or SMS transmission to the external device; set the TP-RP value based on the connection state of the external device to the non-terrestrial network; and determine an SMS transmission path to the external device based on the TP-RP value.

What exactly they claim (claim 1)

1. A server comprising: at least one processor; a communication circuit; and memory storing instructions, wherein the instructions, when executed by the at least one processor individually or collectively, cause the server to: configure a transfer protocol (TP)-reply path (RP) on an electronic device, and transmit, via the communication circuit, a short message service (SMS) center (SMSC) number of the server and an address of an external device to a number of the electronic device; control the electronic device to transmit an SMS to the external device by using the SMSC number of the server and the address of the external device, based on a value of the TP-RP; transmit a message by using a non-terrestrial network or transmit the SMS by using a Long-Term Evolution (LTE) network, via the communication circuit to the external device, based on a connection state of the external device to the non-terrestrial network; based on completion of message transmission or SMS transmission of the SMS to the external device, transmit, via the communication circuit to the electronic device, a message indicating that the SMS transmission has been completed; and configure the value of the TP-RP, based on the connection state of the external device to the non-terrestrial network; and determine an SMS transmission path to the external device, based on the configured value of the TP-RP.

Facts

Company
Samsung (SAMSUNG ELECTRONICS CO., LTD.)
Official title
ELECTRONIC DEVICE AND METHOD FOR TRANSMITTING MESSAGE OF ELECTRONIC DEVICE
Publication number
US20260281176A1
Application number
19670629
Filed
May 7, 2026
Published
Sep 17, 2026
Inventors
1
Claims
20

Classified under

H04L 67/104 Electricity & electronicsH04L 67/02 Electricity & electronicsH04L 67/06 Electricity & electronicsH04L 67/141 Electricity & electronicsH04L 67/55 Electricity & electronics

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.