DTE Access to Public Services and Networks
By direct connection of the DTE to the PDN or ISDN
By switched connection of the DTE to a PDN or ISDN via an intermediate network of another type (including PDN, PSTN, Telex and ISDN with or without a terminal adaptor, see Chapter 2)
KeywordsTelecommunication Network Decimal Digit User Class Packet Assembly Numbering Plan
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