About the Author P. K. Bhatnagar is director of the Centre for Development of Telematics (CDOT) in New Delhi, India. He has 25 years of experience in diverse areas of telecommunications including research and development, teaching, testing, validation, network planning, and network operations. He has also served as International Telecommunication Union (ITU) and Asia Pacific Telecommunity (APT) consultant on several occasions. In his current assignment, he is responsible for the development of rural and urban digital switching systems and implementation of new features and services such as intelligent network services, ISDN, V 5.1/V 5.2 interfaces, and ATM.

• Series Editor's Note. Foreword. Preface. Introduction. Digital Network Synchronization: Basic Concepts. Planning, Testing, and Monitoring Network Synchronization. CCS 7: General Description. Introduction to ISDN. Functions of the CCS 7 Signaling Link Level. Signaling Network Functions in CCS 7. ISDN: Services and Protocols. CCS 7 ISDN User Part. CCS 7 Planning and Implementation. Testing in CCS 7. Packet and Frame Mode Services in the ISDN. Planning and Implementation the ISDN. Testing in the ISDN. Timing in SONET and SDH. Appendix 1: Ordering Information. Appendix 2: List of ISUP Messages. Index. About the Author.

About the Author P. K. Bhatnagar is director of the Centre for Development of Telematics (CDOT) in New Delhi, India. He has 25 years of experience in diverse areas of telecommunications including research and development, teaching, testing, validation, network planning, and network operations. He has also served as International Telecommunication Union (ITU) and Asia Pacific Telecommunity (APT) consultant on several occasions. In his current assignment, he is responsible for the development of rural and urban digital switching systems and implementation of new features and services such as intelligent network services, ISDN, V 5.1/V 5.2 interfaces, and ATM.

• Series Editor's Note. Foreword. Preface. Introduction. Digital Network Synchronization: Basic Concepts. Planning, Testing, and Monitoring Network Synchronization. CCS 7: General Description. Introduction to ISDN. Functions of the CCS 7 Signaling Link Level. Signaling Network Functions in CCS 7. ISDN: Services and Protocols. CCS 7 ISDN User Part. CCS 7 Planning and Implementation. Testing in CCS 7. Packet and Frame Mode Services in the ISDN. Planning and Implementation the ISDN. Testing in the ISDN. Timing in SONET and SDH. Appendix 1: Ordering Information. Appendix 2: List of ISUP Messages. Index. About the Author.

About the Author P. K. Bhatnagar is director of the Centre for Development of Telematics (CDOT) in New Delhi, India. He has 25 years of experience in diverse areas of telecommunications including research and development, teaching, testing, validation, network planning, and network operations. He has also served as International Telecommunication Union (ITU) and Asia Pacific Telecommunity (APT) consultant on several occasions. In his current assignment, he is responsible for the development of rural and urban digital switching systems and implementation of new features and services such as intelligent network services, ISDN, V 5.1/V 5.2 interfaces, and ATM.

• Series Editor's Note. Foreword. Preface. Introduction. Digital Network Synchronization: Basic Concepts. Planning, Testing, and Monitoring Network Synchronization. CCS 7: General Description. Introduction to ISDN. Functions of the CCS 7 Signaling Link Level. Signaling Network Functions in CCS 7. ISDN: Services and Protocols. CCS 7 ISDN User Part. CCS 7 Planning and Implementation. Testing in CCS 7. Packet and Frame Mode Services in the ISDN. Planning and Implementation the ISDN. Testing in the ISDN. Timing in SONET and SDH. Appendix 1: Ordering Information. Appendix 2: List of ISUP Messages. Index. About the Author.