The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2007
Filed:
May. 21, 2001
Frank Hundscheidt, Kerkrade, NL;
Heino Hameleers, Kerkrade, NL;
Frank Hundscheidt, Kerkrade, NL;
Heino Hameleers, Kerkrade, NL;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
The mobile communication network () comprises at least one circuit switching access network () that supports circuit switched communications. A call control system () for providing call related functions for packet switched communications, arranged to send and receive call control information in accordance with a first call control protocol (SIP) for packet switched communication, is provided. An access control system () is arranged to exchange call control information with said call control system () by using said first call control protocol (SIP), and to exchange call control information with said circuit switching access network () by using a second call control protocol (RANAP/BSSAP).