Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-03-04
2009-12-01
Eng, George (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S466000
Reexamination Certificate
active
07627316
ABSTRACT:
The present invention relates to a method for the registration of a communication terminal with a IMS services network via at least one communications network. According to the present invention, it is checked on the part of a network element of the IMS services network whether the communication terminal is currently IMS registered. If the communication terminal is not currently IMS registered, an IMS registration procedure is automatically initiated in the communication terminal by transmitting a Short Message SMS to the communication terminal, the Short Message containing an IMS registration request.On receipt of the SMS the communication terminal automatically registers with the IMS.
REFERENCES:
patent: 2002/0111167 (2002-08-01), Nguyen et al.
patent: 2004/0146040 (2004-07-01), Phan-Anh et al.
patent: 2004/0199641 (2004-10-01), Bajko
patent: 2005/0114533 (2005-05-01), Hullfish et al.
Cooper & Dunham LLP
Eng George
Faragalla Michael
T-Mobile Deutschland GmbH
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