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  2. Short code - Wikipedia

    en.wikipedia.org/wiki/Short_code

    Short code. Short codes, or short numbers, are short digit-sequences - significantly shorter than telephone numbers - that are used to address messages in the Multimedia Messaging System (MMS) and short message service (SMS) systems of mobile network operators. [1] In addition to messaging, they may be used in abbreviated dialing .

  3. GSM 03.40 - Wikipedia

    en.wikipedia.org/wiki/GSM_03.40

    GSM 03.40. GSM 03.40 or 3GPP TS 23.040 [1] is a mobile telephony standard describing the format of the Transfer Protocol Data Units (TPDU) of the Short Message Transfer Protocol (SM-TP) used in the GSM networks to carry Short Messages. This format is used throughout the whole transfer of the message in the GSM mobile network.

  4. Text messaging - Wikipedia

    en.wikipedia.org/wiki/Text_messaging

    An alternative to inbound SMS is based on long numbers (international mobile number format, e.g., +44 7624 805000, or geographic numbers that can handle voice and SMS, e.g., 01133203040 [47]), which can be used in place of short codes or premium-rated short messages for SMS reception in several applications, such as TV voting, [50] product ...

  5. Data Coding Scheme - Wikipedia

    en.wikipedia.org/wiki/Data_Coding_Scheme

    Data Coding Scheme is a one- octet field in Short Messages (SM) and Cell Broadcast Messages (CB) which carries a basic information how the recipient handset should process the received message. The information includes: the character set or message coding, which determines the encoding of the message user data.

  6. User Data Header - Wikipedia

    en.wikipedia.org/wiki/User_Data_Header

    User Data Header. User Data Header ( UDH) is a binary structure which may be present at the start of a short message in the Short Message Service in GSM. It does not contain any text, but it specifies how the message should be formatted and processed. UDH can be used to form Concatenated SMS, to enrich the content of the message with colors ...

  7. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Except for short codes and emergency numbers, all telephone numbers in Sri Lanka have ten digits (initial 0 + nine numbers). Landline phone numbers begin with the area code, then one digit for the operator code, then six digits for the primary telephone number. Format: (XXX Y ZZZZZZ) where: "xxx" denotes the area code.

  8. Short Message service center - Wikipedia

    en.wikipedia.org/wiki/Short_message_service_center

    A Short Message Service Center ( SMSC) is a network element in the mobile telephone network. Its purpose is to store, forward, convert and deliver Short Message Service (SMS) messages. The full designation of an SMSC according to 3GPP is Short Message Service - Service Center (SMS-SC).

  9. Short Message Peer-to-Peer - Wikipedia

    en.wikipedia.org/wiki/Short_Message_Peer-to-Peer

    Short Message Peer-to-Peer. Short Message Peer-to-Peer ( SMPP) in the telecommunications industry is an open, industry standard protocol designed to provide a flexible data communication interface for the transfer of short message [1] data between External Short Messaging Entities (ESMEs), Routing Entities (REs) and SMSC. [2]