Carlos Vinicio Guevara

Premium MO and MT messages are similar to Premium MO, however it is a two-way process. An example of a Premium MO & MT message campaign could be a ringtone request. The user sends a message request...

Premium Mobile Originated message. An example of a Premium MO message campaign is voting. Users can vote by sending a specific text message to a short code. A response is not required. The end user...

Every subscriber has a mobile telephone number, and in many countries (not all), mobile number ranges are different from fixed line (land line) number ranges. In countries where the mobile number r...

Proof of Receipt - This defines if the customer requested a handset acknowledgement for the MT and that the SMSC supports it.

A Point of Presence (or POP) is the physical location of a network provider's, internet service provider's (ISP), or telecom carrier's network equipment which enables connectivity for their service...

Personal Messaging (P2P). See P2P SMS.

Personally Identifiable Information - any data that could potentially identify a specific individual.

Payment Card Industry Data Security Standard. Also known as PCI DSS. In our Fax API documentation, you’ll see “PCI” for short. These are security standards for merchants and service providers that ...

Protocol Description Unit (PDU) - There are two ways of sending and receiving SMS messages: by text mode and by PDU mode. The text mode (unavailable on some phones) is just an encoding of the bit s...

A project becomes a parent project when there are subprojects organized under it. See projects for more details on functionality.