Carlos Guevara

Universal Mobile Telecommunications System (UMTS) is a third-generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP (3rd Generation Partnersh...

16-bit Unicode Transformation Format, is a variable-length character encoding for Unicode, capable of encoding the entire Unicode repertoire.

The Unicode Transformation Format (UTF) is a character encoding format which is able to encode all of the possible character code points in Unicode. The most prolific is UTF-8, which is a variable-...

Coordinated Universal Time - UTC replaced Greenwich Mean Time on 1 January 1972 as the basis for the main reference time scale or civil time in various regions. Time zones around the world are expr...

Unstructured Supplementary Service Data (USSD) is a GSM service that allows a phone to create a session with a software application (typically in the mobile operator’s network). Unlike SMS, USSD is...

Username is a Sinch term used to define a distinct service that can be used to send SMS. Each username will have a different password and can have different routing and pricing associated with it. ...

Process of opting out of a mobile subscription service/application.

Commercial SMS or MMS messages sent to subscribers without seeking prior approval.Take a look at the Sinch SMS Product page to learn more about our SMS products, or click here to sign up to our sel...

Unicode is a computing standard created for handling the writing systems of almost all modern and historic languages. It ensures that, regardless of the character set used by a language, computers ...

An Unallocated Number/Prefix means that the number is not currently being allocated and that the number has no subscriber assigned to it. In simple terms, it means that at present, the number does ...