Carlos Guevara

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Voice over Internet Protocol (VoIP) is a technology used for the delivery of voice communications (that is, talking) over the internet.

Visitor Location Register (VLR) is a database which stores information about mobile phones that have recently joined a particular area of a mobile operator’s network. It plays a vital role in keepi...

Enables you to receive text message from anyone. Virtual SMS makes it possible to send SMS over the internet without having to use a physical phone.Take a look at the Sinch SMS Product page to lear...

Also called a DID number, it is a telephone number that is not locked down to a specific phoneline.Learn how to buy a virtual number.

The vetting score is associated with 10DLC numbers that are fully registered through The Campaign Registry (TCR). Depending on your business type and uses for messaging or voice, you will be assign...

The Sinch Customer Dashboard allows you to add a verified number, which is typically your own number or the number of trusted testers. Using a verified number helps prevent others from using a numb...

A third-party providing MMS VAS by sending content over multimedia messages and processing requests sent from subscribers over multimedia messages. Also referred to as VASP.

Services such as news on demand, pictures of the day, and the like that are provided by VASPs. Also referred to as VAS.

Validity period is an optional value that can be set on a per message basis to control how long an SMSC should attempt to deliver an SMS message. It is usually only useful when a destination recipi...