https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088 <DIV class="lia-message-template-content-zone"> <DIV class="page" title="Page 1"> <DIV class="layoutArea"> <DIV class="column"> <P><SPAN>The&nbsp;<A href="https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088?attachment-id=1108" target="_self">AT&amp;T Short Code and 10-Digit A2P SMS Messages Code of Conduct</A> governs the existing Short Code Application-to-Person (A2P) messaging system and the AT&amp;T 10-digit long code (10DLC) A2P Messages. The 10DLC </SPAN><SPAN>A2P Messages allows A2P SMS traffic originating from 10DLCs outside of AT&amp;T’s network to </SPAN><SPAN>be delivered to AT&amp;T mobile customers.&nbsp; AT&amp;T has updated their Illegal/Prohibited Messaging Campaign descriptions for 2025.&nbsp; That is also attached below.<BR /><BR />&nbsp;</SPAN></P> <P>&nbsp;</P> <P><SPAN><EM>Take a look at the&nbsp;<A href="https://www.sinch.com/products/apis/messaging/sms/" target="_blank" rel="noopener noreferrer">Sinch SMS Product page</A>&nbsp;to learn more about our SMS products, or click&nbsp;<A href="https://www.sinch.com/sign-up/" target="_blank" rel="noopener noreferrer">here</A>&nbsp;to sign up to our self-service portal and get started today.</EM></SPAN></P> </DIV> </DIV> </DIV> </DIV> Wed, 17 Sep 2025 18:47:23 GMT Thomas_James 2025-09-17T18:47:23Z https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088 <DIV class="lia-message-template-content-zone"> <DIV class="page" title="Page 1"> <DIV class="layoutArea"> <DIV class="column"> <P><SPAN>The&nbsp;<A href="https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088?attachment-id=1108" target="_self">AT&amp;T Short Code and 10-Digit A2P SMS Messages Code of Conduct</A> governs the existing Short Code Application-to-Person (A2P) messaging system and the AT&amp;T 10-digit long code (10DLC) A2P Messages. The 10DLC </SPAN><SPAN>A2P Messages allows A2P SMS traffic originating from 10DLCs outside of AT&amp;T’s network to </SPAN><SPAN>be delivered to AT&amp;T mobile customers.&nbsp; AT&amp;T has updated their Illegal/Prohibited Messaging Campaign descriptions for 2025.&nbsp; That is also attached below.<BR /><BR />&nbsp;</SPAN></P> <P>&nbsp;</P> <P><SPAN><EM>Take a look at the&nbsp;<A href="https://www.sinch.com/products/apis/messaging/sms/" target="_blank" rel="noopener noreferrer">Sinch SMS Product page</A>&nbsp;to learn more about our SMS products, or click&nbsp;<A href="https://www.sinch.com/sign-up/" target="_blank" rel="noopener noreferrer">here</A>&nbsp;to sign up to our self-service portal and get started today.</EM></SPAN></P> </DIV> </DIV> </DIV> </DIV> Wed, 17 Sep 2025 18:47:23 GMT https://community.sinch.com/t5/SMS/AT-amp-T-Short-Code-and-10-Digit-A2P-SMS-Messages-Code-of/ta-p/7088 Thomas_James 2025-09-17T18:47:23Z