X.121
X.121 is the ITU-T address format of the X.25 protocol suite used as part of call setup to establish a switched virtual circuit between Public Data Networks (PDNs), connecting two (NUAs). It consists of a maximum of fourteen binary-coded decimal digits and is sent over the Packet Layer Protocol (PLP) after the packet type identifier (PTI). The address is made up of the international data number (IDN), which consists of two fields: the 4 digit data network identification code (DNIC) and the (up to) 10 digit national terminal number (NTN).
Address family identifierDCCDNICData Network Identification CodeData network identification codeEirpacGSM 03.40IDNInternational Data NumberInternational data numberList of assigned /8 IPv4 address blocksNSAP addressNTNNational Terminal NumberNational terminal numberNumbering schemeOutline of the United NationsPacket Layer ProtocolPacket assembler/disassemblerPacket switchingTelephone numbering planX.121 Address FormatX.25
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X.121
X.121 is the ITU-T address format of the X.25 protocol suite used as part of call setup to establish a switched virtual circuit between Public Data Networks (PDNs), connecting two (NUAs). It consists of a maximum of fourteen binary-coded decimal digits and is sent over the Packet Layer Protocol (PLP) after the packet type identifier (PTI). The address is made up of the international data number (IDN), which consists of two fields: the 4 digit data network identification code (DNIC) and the (up to) 10 digit national terminal number (NTN).
has abstract
X.121 est défini par l'UIT com ...... relay, peuvent utiliser X.121.
@fr
X.121 is the ITU-T address for ...... e off IPv4 address exhaustion.
@en
X.121 — формат мережної адреси ...... A для загального використання.
@uk
X.121は、2つのネットワークユーザアドレス(NUA)を接 ...... 4アドレスの枯渇を防ぐために2008年にIANAに戻された。
@ja
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997,196,229
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comment
X.121 est défini par l'UIT com ...... relay, peuvent utiliser X.121.
@fr
X.121 is the ITU-T address for ...... ational terminal number (NTN).
@en
X.121 — формат мережної адреси ...... packet type identifier, PTI).
@uk
X.121は、2つのネットワークユーザアドレス(NUA)を接 ...... い。NTNの構造については、X.121では規定されていない。
@ja
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X.121
@en
X.121
@fr
X.121
@ja
X.121
@uk