Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-02-20
2011-12-13
Afshar, Kamran (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S560000, C455S436000
Reexamination Certificate
active
08078166
ABSTRACT:
The invention concerns a device (D) dedicated to controlling access of a terminal (UE), connected to a CS domain of a mobile network comprising a MSC center (VMSC) running CS communications, to a IMS network services of which its user is a subscriber. Said device (D) comprises: i) a GMSC module managing setup of communications to a terminal (UE) connected to the CS domain, ii) a MGCF module converting messages from the CS domain in accordance with a ISUP protocol into messages in accordance with a SIP protocol addressed to a S-CSCF module and inversely, iii) an I-CSCF initiating registration of terminals connected to the CS domain, with a S-CSCF module, and iv) a P-CSCF emulator (P1) and a user agent (UA1) responsible a) for co-operating together on behalf of the terminal (UE) to instruct an I-CSCF module to initiate the registration of a terminal with a S-CSCF module of the IMS network of which its user is a subscriber, b) when the user attempts via the terminal (UE) to set up a call, for sending said call, via the MGCF module, to the S-CSCF module with which it is registered, and c) upon reception of a request for setting up communication to the terminal, from the S-CSCF module of the TMS network of which its user is a subscriber, for instructing the GMSC module, via the MGCF module, to manage said setting up on the CS domain side.
REFERENCES:
patent: 2002/0110104 (2002-08-01), Surdila
patent: 2003/0027595 (2003-02-01), Ejzak
patent: 2006/0105766 (2006-05-01), Azada et al.
patent: 2006/0154665 (2006-07-01), Svensson et al.
patent: 2008/0316998 (2008-12-01), Procopio et al.
patent: 2009/0023458 (2009-01-01), Mountney
Bultinck Alain
Thiebaut Laurent
Afshar Kamran
Alcatel Lucent
Harness Dickey & Pierce
Iqbal Khawar
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