Content for TS 48.056 Word version: 18.0.0
4 General description p. 6
5 Functional contents p. 7
6 LAPD functions p. 7
6.1 Exceptions and modifications p. 7
6.1.1 Void
6.1.2 Command/Response field bit (C/R) p. 7
6.1.3 Service Access Point Identifier (SAPI) p. 7
6.1.4 TEI for point-to-point data link connection p. 8
6.1.5 Commands and responses p. 8
6.1.6 Exchange identification (XID) command/response p. 8
6.1.7 MDL-XID p. 8
6.1.8 PH-DATA, PH DEACTIVATE and PH-ACTIVATE p. 8
6.1.9 MPH-ACTIVATE, MPH-DEACTIVATE an MPH-INFORMATION p. 8
6.1.10 Priority indicator p. 9
6.1.11 Terminal Endpoint Identifier (TEI) management procedures p. 9
6.1.11.1 General p. 9
6.1.11.2 TEI assignment procedure p. 9
6.1.11.3 TEI identity verify procedure p. 11
6.1.11.4 Formats and codes. p. 11
6.1.12 Automatic negotiation of data link layer parameters p. 11
6.1.13 Establishment procedures p. 11
6.1.14 N(S) sequence error p. 11
6.1.15 List of system parameters p. 11
6.1.15.1 Timer T200 p. 12
6.1.15.2 Maximum number of retransmissions (N200) p. 12
6.1.15.3 Maximum number of octets in an information field (N201) p. 12
6.1.15.4 Maximum number of transmission of the TEI identity request message (N202) p. 12
6.1.15.5 Maximum number of outstanding frames (K) p. 12
6.1.15.6 Timer T201 p. 12
6.1.15.7 Timer T202 p. 12
6.1.15.8 Timer T203 p. 12
6.1.16 Data link layer monitor function p. 13
6.1.17 Miscellaneous p. 13
$ Change History p. 14
