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Wire-line Narrow Band

General

In 1988 there were in Europe many national specific data. In 2003 a stable and widely harmonized set of standards is available. The number of facilities flowing through NB Access is still increasing.

ISDN/PSTN digital interface

For terminals basic rate access is TBR 3 the base standard. For simple voice terminals TBR 8 is the base standard.

POTS/PSTN analogue interface

For terminals access TBR 21 contents is now updated in TS 103 021. For simple voice terminals TBR 38 is basically still valid. ES 201 970 offers an harmonized solution for the PSTN interface.

Enhanced Features for PSTN over analogue interface

ES 200 778 series offers the protocol for  terminals. EN 300 659 series standardise subscriber line display services. ES 201 912 series standardise SMS link with service centre. The standardisation of MMS for PSTN is at present quickly progressing.

For further information like Officials, Work Program, latest Drafts, meetings, mailing lists, see AT Portal.

 

Last updated: 2007-03-19 14:38:38