3GPP 23040 PDF

GSM or 3GPP TS is a mobile telephony standard describing the format of the Transfer Protocol Data Units (TPDU) of the Short Message Transfer . 3gppATechnical Realization of the Short Message Service . of 2T”& re istered for the benefit of its Members and of the 3GPP Or ani!ational Partners. The architecture for SMS is specified in 3GPP TS 3 and for SMS over IP from CSE 10 at Krishna Institute Of Engineering and Technology.

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Setting the TP-RP bits turns on a feature which allows to send a reply for a message using the same path as the original message. Other addresses are carried by lower layers. The alphabet contains the most-often used symbols from most Western-European languages and some Greek uppercase letters. Views Read Edit View history.

GSM – Wikipedia

These characters form GSM 7-bit default alphabet extension table. This behaviour was designed for older mobile phones which don’t understand UDH; such mobile phones might display the UDH as a jumble of strange characters; if the first character after UDH was Carriage Return CRthe mobile phone would rewrite the mess with the rest of the message.

Although these changes are ancient version 6. However, the original name is often used to refer even to the 3GPP document. Treat this as any previous element in the sequence, hex 82 represents number Messages sent via this encoding can be encoded in the default GSM 7- bit alphabet, the 8-bit data alphabet, and the bit UCS-2 alphabet.

Alphanumeric address is at first put to the GSM 7-bit default alphabet, then encoded the same way as any message text in TP-UD field that means it is 7-bit packed and then the address is supplied with the “number” length and TON and NPI. This format is used throughout the whole transfer of the message in the GSM mobile network.

The following octet is a relative validity period as described in the Relative Validity Period Values table. The absolute format is identical to the other time formats in GSM Bit 3 is 1, therefore the time zone is negative. Time zone is given in quarters of an hour. The content of the message its text when the message is not a binary one is carried in the TP-UD field. This page was last edited on 1 Novemberat The TP-DCS octet has a complex syntax to allow carrying of other information; the most notable are message classes:.

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www.3gpp.org – /ftp/Specs/archive/23_series/23.040/

For example, a fictional alphanumeric address Design Home is converted to the GSM 7-bit default alphabet which yields 11 bytes 3gppp 65 73 69 67 6E 00 48 6F 6D 65 hexthe 7-bit packing transforms it to 77 bits stored in 10 octets as C4 F2 3C 7D 76 03 90 EF 76 19; 77 bits is 20 nibbles 14 hex which is the value of the first octet of the address.

Retrieved from ” https: In this case the number must adhere to the mobile operator’s dial planwhich means that international numbers must have the international prefix 00 in most countries, but in the USA before the country code and numbers for long-distance calls must start with the trunk prefix 0 in most countries, 1 in the USA followed by a trunk code.

The same was also true for other languages using non-Latin scripts like Russian, Arabic, Hebrew and various Indian languages. Languages which use Latin scriptbut use characters which are not present in the GSM 7-bit default alphabet, often replace missing 3ypp with diacritic marks with corresponding characters without diacritics, which causes not entirely satisfactory user experience, but is often accepted.

The fields of SM-TP messages, including their order and size, are summarized in the following table, where M means a mandatory field, O an optional field, E is used for fields which are mandatory in negative responses RP-ERR and not present in positive responses RP-ACKx is a field present elsewhere:.

In this example, the time zone, 8A is binary Its 3 least significant bits have the following meaning:. If the originator and the recipient home networks differ, the reply would go through another SMSC then usually. By using this site, you agree to the Terms of Use and Privacy Policy. From Wikipedia, the free encyclopedia.

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In all octets the values are stored in binary coded decimal format with switched digits number 35 is stored as 53 hex. Message Waiting Indication group of DCS values can set or reset flags of indicating presence of unread voicemailfaxe-mail or other messages.

Longer messages can be split to multiple parts and sent as a Concatenated SMS. However, a GSM They are not stored in the phone, they just displayed on the phone display.

The number itself must always start with a country code and must be formatted exactly according to the E. Such message may be sent only if the original message had this flag cleared and the new message must be sent with the flag set.

The value of 1 in the bit 7 of the first octet indicates that TP-VP functionality indicator extends to another octet.

However, the validity period is usually limited globally by the SMSC configuration parameter— often to 48 or 72 hours. The following 3 octets contain a relative validity period in hours, minutes and seconds as the 3rd to 5th octet of time format.

The remaining number bit-wise ‘and’ with ishexadecimal The mobile operator must take special measures to charge such messages. However, no such extensions are defined. The MSC usually does not close the connection to the mobile phone and does not end the MAP dialogue with the SMSC, which allows faster delivery of subsequent messages or message segments.

The non-segmented message using national language shift table s may carry up to or 7-bit characters. A special DCS values also allows message compression 3vpp, but it perhaps is not used by any operator.