1

Signalling system No.7 specification (Basic document)

TCN 68-163:1997

2

Signalling system No.7 specification (Message Transfer Part)

TCN 68-163A:1997

3

Signalling system No.7 specification (ISDN User Part)

TCN 68-163B:1997

4

Bit error rate and jitter of digital transmition path - Technical requirement

TCN 68-164:1997

5

Specification of Signalling System R2

TCN 68-169:1998

6

Timing Characteristics of Primary Reference clock - Technical requirement

TCN 68-171:1998

7

Interfaces for Interconnection - Technical requirement

TCN 68-172:1998

8

Optical Interfaces for Equipments and Systems Relating to the Synchronous Digital Hierarchy - Technical requirement

TCN 68-173:1998

9

Electrical/Physical Interfaces for Digital Hierarchy - Technical requirement

TCN 68-175:1998

10

ISDN User-Network Interfaces, Basic User-Network Interfaces, Layer 1 Specifications

TCN 68-181:1999

11

Digital Subscriber Signaling System No. 1 DSS1, ISDN User - Network Interface, Data Link Layer Specifications

TCN 68-182:1999

12

Digital Subscriber Signaling System No. 1 DSS1, ISDN User - Network Interface, Layer 3 Specifications for Basic Call Control

TCN 68-183:1999

13

V5.1 Interface (based on 2048 kbit/s) between local exchange (LE)and access network (AN) - Technical Requirement

TCN 68-184:1999

14

V5.2 Interface (based on 2048 kbit/s) between local exchange (LE) and access network (AN) - Technical Requirement

TCN 68-185:1999

15

Interconnecting Protocol Between GSM GPRS Network and Internet (IP Protocol) - Technical Requirements

TCN 68-224:2004

16

Network Interface presentation of 2048 kbit/s digital unstructured and structured leased lines - Technical Requirements

TCN 68-225:2004

17

2048 kbit/s digital structured leased lines – Quality Standard

TCN 68-226:2004