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Glossary S


Glossary S


Severity 1 (S1) is a fault which renders the whole or an important part of the service unavailable. This applies to total outage of the service or rejection of more than 20% of incoming orders from the individual client’s interface due to server failure.



Severity 2 (S2) is a fault causing acute operational problems creating significant business impact (for example, considerable service restriction like the rejection of less than 20% but more than 5% of incoming orders) of all the clients messages.



Severity 3 (S3) is a fault which causes non-acute operational problems (for example, delays in sending the SMS to the mobile operator or unavailability of the Service Details) or affecting less than 5% of incoming orders.



Severity 4 (S4) is a fault causing Service Details or Extranet’s information to be partially inaccurate or requests for additional routing, IP addresses and so on.



Another name for Cellcast.



This is third-party software for which we must purchase licenses. SENDXMS by default manages the four standard SMS protocols (UCP, SMPP, OIS, SEMA) and handles SMS messages as text files (MT, MOs and notifications). This software is used for sending and receiving SMS and supports a large range of protocols and SMS standards.



A process or program that performs client requested tasks. Servers generally receive requests from client programs, execute database retrieval and updates, manage data integrity, and return responses to client requests. Sometimes server programs execute common or complex business logic. The server-based process sometimes runs on another machine on a network., and provide both file system services and application services. In other cases, another desktop machine may provide application services. The server process acts as a software engine that manages shared network resources or performs back-end tasks that are common to similar applications.



Serving GPRS Support Node - a main component of the GPRS network, which handles all packet switched data within the network, for example, the mobility management and authentication of the users.



Singapore Standard Time (SGT) uses a time zone eight hours in advance of Coordinated Universal Time (UTC), (UTC+8).



Signature-based Handling of Asserted Information Using toKENs (SHAKEN) and the Secure Telephone Identity Revisited (STIR)) standards. The FCC explains SHAKEN/STIR as follows:

“… calls traveling through interconnected phone networks would have their caller ID ‘signed’ as legitimate by originating carriers and validated by other carriers before reaching consumers. SHAKEN/STIR digitally validates the handoff of phone calls passing through the complex web of networks, allowing the phone company of the consumer receiving the call to verify that a call is from the person making it.”


Shared Short code

A short code that is utilized to run multiple mobile services and/or marketing campaigns simultaneously.


Short Codes

A Short Code is a destination number that messages (SMS) are delivered to. Short codes are usually 5 digit numbers. In Latin America a short code is required so that the end user always has the option of sending a "STOP" message.


Short Message Peer-to-Peer Protocol (SMPP)

See entry for SMPP.


Short UCS2

This message is a long sms using UCS2 encoding.



Subscriber Identity Module - is the chip card typically issued by a mobile operator that contains a mobile subscription. SIM cards are a universal integrated circuit card (UICC), which is the standard describing their physical and electrical characteristics. This subscription is technically called an international mobile subscriber identity (IMSI). The traditional SIM card issued by a mobile operator contains a single IMSI for the issuing operator. The IMSI is then used to authorize access to mobile networks, whether the home network or another network the device has roamed.


A SIM card can typically contain, the telephone number of the subscriber, encoded network identification details, the PIN and other user data such as the phone book. A user's SIM card can be moved from phone to phone as it contains all the key information required to activate the phone.


Simple Object Access Protocol (SOAP)

A protocol used to exchange XML encoded messages over networks. Also referred to as SOAP.


Single Opt-in

When a mobile subscriber opts in to a program via a subscriber-initiated message to a service provider as prompted by the terms of the program. E.g., when a subscriber texts JOIN HEALTH ALERTS to a short code, that subscriber is opting in to the service.



Service Level Agreement.



A handheld device that integrates mobile phone capabilities with the more common features of a handheld computer or PDA. Smartphones allow users to store information, e-mail, install programs, along with using a mobile phone in one device.



Special Mobile Group.



Short Message Peer-to-Peer Protocol - A telecommunications industry protocol for exchanging SMS messages between SMS peer entities such as short message service centers (SMSC). It is used primarily for connecting third-party services with SMSCs to enable various types of automated SMS services.



Short Message Service - This is the ability to send and receive text messages to and from mobile phones. The text can comprise of words, numbers or a combination of alphanumeric characters.


SMS Center (SMSC)

The network entity in the mobile carrier’s telecommunications network which switches, stores and routes SMS traffic.


SMS Exchange

Located in two geo-redundant data center sites in the Washington DC area and Chicago – this Digital Interconnect messaging hub processes all national US traffic (SMS traffic between carriers in the USA and Canada), along with some international traffic that is typically from US service providers / operators to operators outside of the USA/Canada marketplace.


SMS Message

A message sent via a Short Message Service. 160 characters in length and most commonly referred to as a text (or txt).



Short Message Service Centre - the network entity, which switches SMS traffic. The operator or aggregator server to where the messages and notifications are sent and received from.



The date/time the CONNECTION Process in the CONNECTION SERVER processed the MT.



Simple Mail Transfer Protocol.


Social/Chat Apps

This refers to non-SMS enabled messaging apps such as WhatsApp, WeChat, Line, Tango, Facebook Messenger, and the myriad of others in the marketplace today.



Spam is unsolicited, usually commercial or fraudulent mobile messages (SMS, MMS, social), typically sent to a large number of recipients.



Signalling System #7 (SS7) is a set of telephony signalling protocols, which are used to set up the vast majority of the world's public switched telephone network telephone calls.


Standard Rate

Programs or messages that result in only normal text messaging charges being applied to the mobile subscriber’s wireless bill or that result in messages being deducted from a subscriber’s messaging plan allowance.


Standard Rate Program

A program that requires single opt-in where the mobile subscriber is billed standard SMS rates as per the subscriber’s mobile plan.


Status Notification

The delivery status of a MT message according to the timestamps received from servers in the MT delivery chain.



SIM Tool Kit, or Service Text Messages (the functionality is the same). It is sometimes also called the SIM Application Toolkit. These are binary SMS messages sent to the phone, mainly by Operators but also by our customers, to update the SIM card and/or the phone with service related information. Examples where STKs are used:
- Enable the phone for Internet connectivity
- Update prepaid phones
- Activate new phones/SIM cards
- Upgrade phone ROM/Flash memory software.



See Mobile Subscriber.



A sweepstakes is a legal game that includes a prize, and a game of chance. No consideration is allowed.

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