Sjoerd De Jong

Title: Sjoerd De Jong: Innovator in Call Control Technologies

Introduction

Sjoerd De Jong is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of telecommunications, particularly in the area of call control technologies. With a total of 2 patents to his name, De Jong's work has had a meaningful impact on how communication systems operate.

Latest Patents

One of Sjoerd De Jong's latest patents is a method and system for the transfer of call control. This patent describes a process for a SIPIMR node to withdraw from a SIP session set-up loop by replying with a redirect message to the SIP Invite sending node. The redirect message contains essential information for setting up an alternative SIP session, which is available in the SIP Invite receiving node. This information is crucial for the SIPIMS node to establish a new SIP session based on the details from the redirect message. Several implementations of this method are provided for use in an IP Multimedia Subsystem of a telecommunication network.

Another patent by De Jong focuses on means and methodology for a SIP Invite receiving node to withdraw from the SIP session set-up loop. Similar to the previous patent, it involves replying with a redirect message to the SIP Invite sending node. The redirect message contains necessary information for establishing an alternative SIP session, which is vital for both the SIP invite sending node and other nodes in the SIP session set-up loop. This innovation also includes various implementations for use in an IP Multimedia Subsystem.

Career Highlights

Sjoerd De Jong is currently employed at Telefonaktiebolaget LM Ericsson (publ), a leading company in telecommunications. His work at Ericsson has allowed him to develop and refine his innovative ideas in call control technologies.

Collaborations

Throughout his career, De Jong has collaborated with notable colleagues such as Rogier Noldus and Jos Den Hartog. These collaborations have contributed to the advancement of his projects and innovations in the telecommunications sector.

Conclusion

Sjoerd De Jong is a prominent inventor whose work in call control technologies has significantly influenced the telecommunications industry. His patents reflect a deep understanding of communication systems and their complexities.