The defines textual conventions used by to manage devices related to the SS7 network. The relevant ITU documents describing this technology is the ITU Q series, including ITU Q.700: Introduction to CCITT Signalling System No. 7 and ITU Q.701 Functional description of the message transfer part (MTP) of Signalling System No. 7. Abbreviations: CDPA - Called Party Point Code CGPA - Calling Party Point Code CLLI - Common Language Location Codes CR - Connection Request message CREF - Connection Refusal message DPC - Destination Point Code ERR - Error message GTA - Global Title Address GTI - Global Title Indicator GTT - Global Title Translation LUDT - long unitdata message LUDTS - long unitdata service message M2PA - MTP2 Peer-to-Peer Adaptation Layer M3UA - MTP3-User Adaptation MAP - Mated Application Table MSU - Message Signal Unit MTP - Message Transport Protocol MTP2 - Layer 2 of Message Transport Protocol MTP3 - Layer 3 of Message Transport Protocol NAI - Nature of Address Indicator NP - Numbering Plan NTT - The Japanese Nippon Telephone & Telegraph OPC - Originating Point Code PC - Point Code RTN - Route Table Name RSR - Reset Request message SCCP - Signalling Connection Control Part SCTP - Stream Transmission Protocol(RFC 2960) SI - Signalling Indicator SP - Signalling Point SLC - Signalling Link Code SLS - Signalling Link Selector SSN - Subsystem Number SUA - SCCP-User Adaptation TFR - Transfer Restricted messages TT - Title Translation TTC - The Japanese Telecommunications Technology Committee UDT - unitdata message UDTS - unitdata service message XUDT - extended unitdata message XUDTS - extended unitdata service message
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Revisions
2003-08-03 00:00
Updated CItpTcPointCode textual convention to
include descriptions for Japanese NTT and TTC
variants.
2003-01-29 00:00
Added textual convention used to support the
ability to define multiple instances of the
signalling points. The following textual conventions
were added.
CItpTcNetworkName
CItpTcInstanceNumber
CItpTcSls
Also deprecated CItpTcGtaAddr and CItpTcGtaDisplayZB.
Added CItpTcGtaLongAddr and CItpTcGtaLongDisplay.
Added new enumerated value to CItpTcLinkType object
for virtual link used to connect signalling points
acting as gateways.
2001-12-11 00:00
Added new enumerated value to CItpTcLinkType object
for high speed link support. Add new enumerated
value to the CItpTcSs7Variant object to support
China national variant. A new textual convention has
been added to address 0..15 range for Global Title
addresses.