Carlos Vinicio Guevara

If an SMS is not delivered (even after the SMSC retry cycle is complete) then a delivery receipt, with an error code indicating why the message failed will be sent. A complete list of delivery rece...

When sending a message (for example, an SMS message), most mobile operators will return a notification called a delivery receipt, or delivery report, to let the sender know whether or not the messa...

Short Message Service (SMS) is currently one of the most popular messaging formats for sending text messages.  The format supports messages of up to 160 characters, allowing users to send texts qui...

Delivery Notifications are message acknowledgments. When delivering messages through the Digital Interconnect network, customers can request to receive the following types of message acknowledgment...

The process of running only one service on a Common Short Code at any given time.

A report that is issued by certain mobile operators with information about recently deactivated numbers in the USA.

Phone numbers that a mobile operator has taken out of service for an end user, the reason for that can be that the end user has switched operators or has closed their account.

Digital Command Signal (from ITU T.30) -  the sender’s response to the DIS, communicates the sender’s capabilities and negotiates a compatible connection.

Digital Identification Signal (from ITU T.30) – communicates capabilities of the receiving fax device.

Data Coding Schema - This is a method to define what character encoding is being used.